Author: "Hernández, A. P. Vizcaya" - Searchworks@Jio Institute Digital Library Search Results

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35 results on '"Hernández, A. P. Vizcaya"'

1. The hypothetical track-length fitting algorithm for energy measurement in liquid argon TPCs

Author: DUNE Collaboration, Abud, A. Abed, Abi, B., Acciarri, R., Acero, M. A., Adames, M. R., Adamov, G., Adamowski, M., Adams, D., Adinolfi, M., Adriano, C., Aduszkiewicz, A., Aguilar, J., Akbar, F., Alex, N. S., Allison, K., Monsalve, S. Alonso, Alrashed, M., Alton, A., Alvarez, R., Alves, T., Amar, H., Amedo, P., Anderson, J., Andreopoulos, C., Andreotti, M., Andrews, M. P., Andrianala, F., Andringa, S., Anfimov, N., Ankowski, A., Antic, D., Antoniassi, M., Antonova, M., Antoshkin, A., Aranda-Fernandez, A., Arellano, L., Diaz, E. Arrieta, Arroyave, M. A., Asaadi, J., Ashkenazi, A., Asner, D., Asquith, L., Atkin, E., Auguste, D., Aurisano, A., Aushev, V., Autiero, D., Azam, M. B., Azfar, F., Back, A., Back, H., Back, J. J., Bagaturia, I., Bagby, L., Balashov, N., Balasubramanian, S., Baldi, P., Baldini, W., Baldonedo, J., Baller, B., Bambah, B., Banerjee, R., Barao, F., Barbu, D., Barenboim, G., Alzás, P. Barham, Barker, G. J., Barkhouse, W., Barr, G., Monarca, J. Barranco, Barros, A., Barros, N., Barrow, D., Barrow, J. L., Basharina-Freshville, A., Bashyal, A., Basque, V., Batchelor, C., Bathe-Peters, L., Battat, J. B. R., Battisti, F., Bay, F., Bazetto, M. C. Q., Alba, J. L. L. Bazo, Beacom, J. F., Bechetoille, E., Behera, B., Belchior, E., Bell, G., Bellantoni, L., Bellettini, G., Bellini, V., Beltramello, O., Benekos, N., Montiel, C. Benitez, Benjamin, D., Neves, F. Bento, Berger, J., Berkman, S., Bernal, J., Bernardini, P., Bersani, A., Bertolucci, S., Betancourt, M., Rodríguez, A. Betancur, Bevan, A., Bezawada, Y., Bezerra, A. T., Bezerra, T. J., Bhat, A., Bhatnagar, V., Bhatt, J., Bhattacharjee, M., Bhattacharya, M., Bhuller, S., Bhuyan, B., Biagi, S., Bian, J., Biery, K., Bilki, B., Bishai, M., Bitadze, A., Blake, A., Blaszczyk, F. D., Blazey, G. C., Blucher, E., Bodek, A., Bogenschuetz, J., Boissevain, J., Bolognesi, S., Bolton, T., Bomben, L., Bonesini, M., Bonilla-Diaz, C., Bonini, F., Booth, A., Boran, F., Bordoni, S., Merlo, R. Borges, Borkum, A., Bostan, N., Bouet, R., Boza, J., Bracinik, J., Brahma, B., Brailsford, D., Bramati, F., Branca, A., Brandt, A., Bremer, J., Brew, C., Brice, S. J., Brio, V., Brizzolari, C., Bromberg, C., Brooke, J., Bross, A., Brunetti, G., Brunetti, M., Buchanan, N., Budd, H., Buergi, J., Bundock, A., Burgardt, D., Butchart, S., V., G. Caceres, Cagnoli, I., Cai, T., Calabrese, R., Calcutt, J., Calivers, L., Calvo, E., Caminata, A., Camino, A. F., Campanelli, W., Campani, A., Benitez, A. Campos, Canci, N., Capó, J., Caracas, I., Caratelli, D., Carber, D., Carceller, J. M., Carini, G., Carlus, B., Carneiro, M. F., Carniti, P., Terrazas, I. Caro, Carranza, H., Carrara, N., Carroll, L., Carroll, T., Carter, A., Casarejos, E., Casazza, D., Forero, J. F. Castaño, Castaño, F. A., Castillo, A., Castromonte, C., Catano-Mur, E., Cattadori, C., Cavalier, F., Cavanna, F., Centro, S., Cerati, G., Cerna, C., Cervelli, A., Villanueva, A. Cervera, Chakraborty, K., Chalifour, M., Chappell, A., Charitonidis, N., Chatterjee, A., Chen, H., Chen, M., Chen, W. C., Chen, Y., Chen-Wishart, Z., Cherdack, D., Chi, C., Chiapponi, F., Chirco, R., Chitirasreemadam, N., Cho, K., Choate, S., Choi, G., Chokheli, D., Chong, P. S., Chowdhury, B., Christian, D., Chukanov, A., Chung, M., Church, E., Cicala, M. F., Cicerchia, M., Cicero, V., Ciolini, R., Clarke, P., Cline, G., Coan, T. E., Cocco, A. G., Coelho, J. A. B., Cohen, A., Collazo, J., Collot, J., Conley, E., Conrad, J. M., Convery, M., Copello, S., Cova, P., Cox, C., Cremaldi, L., Cremonesi, L., Crespo-Anadón, J. I., Crisler, M., Cristaldo, E., Crnkovic, J., Crone, G., Cross, R., Cudd, A., Cuesta, C., Cui, Y., Curciarello, F., Cussans, D., Dai, J., Dalager, O., Dallavalle, R., Dallaway, W., D'Amico, R., da Motta, H., Dar, Z. A., Darby, R., Peres, L. Da Silva, David, Q., Davies, G. S., Davini, S., Dawson, J., De Aguiar, R., De Almeida, P., Debbins, P., De Bonis, I., Decowski, M. P., de Gouvêa, A., De Holanda, P. C., Astiz, I. L. De Icaza, De Jong, P., Sanchez, P. Del Amo, De la Torre, A., De Lauretis, G., Delbart, A., Delepine, D., Delgado, M., Dell'Acqua, A., Monache, G. Delle, Delmonte, N., De Lurgio, P., Demario, R., De Matteis, G., Neto, J. R. T. de Mello, DeMuth, D. M., Dennis, S., Densham, C., Denton, P., Deptuch, G. W., De Roeck, A., De Romeri, V., Detje, J. P., Devine, J., Dharmapalan, R., Dias, M., Diaz, A., Díaz, J. S., Díaz, F., Di Capua, F., Di Domenico, A., Di Domizio, S., Di Falco, S., Di Giulio, L., Ding, P., Di Noto, L., Diociaiuti, E., Distefano, C., Diurba, R., Diwan, M., Djurcic, Z., Doering, D., Dolan, S., Dolek, F., Dolinski, M. J., Domenici, D., Domine, L., Donati, S., Donon, Y., Doran, S., Douglas, D., Doyle, T. A., Dragone, A., Drielsma, F., Duarte, L., Duchesneau, D., Duffy, K., Dugas, K., Dunne, P., Dutta, B., Duyang, H., Dwyer, D. A., Dyshkant, A. S., Dytman, S., Eads, M., Earle, A., Edayath, S., Edmunds, D., Eisch, J., Englezos, P., Ereditato, A., Erjavec, T., Escobar, C. O., Evans, J. J., Ewart, E., Ezeribe, A. C., Fahey, K., Fajt, L., Falcone, A., Fani', M., Farnese, C., Farrell, S., Farzan, Y., Fedoseev, D., Felix, J., Feng, Y., Fernandez-Martinez, E., Ferry, G., Fialova, E., Fields, L., Filip, P., Filkins, A., Filthaut, F., Fine, R., Fiorillo, G., Fiorini, M., Fogarty, S., Foreman, W., Fowler, J., Franc, J., Francis, K., Franco, D., Franklin, J., Freeman, J., Fried, J., Friedland, A., Fuess, S., Furic, I. K., Furman, K., Furmanski, A. P., Gaba, R., Gabrielli, A., Gago, A. M., Galizzi, F., Gallagher, H., Gallice, N., Galymov, V., Gamberini, E., Gamble, T., Ganacim, F., Gandhi, R., Ganguly, S., Gao, F., Gao, S., Garcia-Gamez, D., García-Peris, M. Á., Gardim, F., Gardiner, S., Gastler, D., Gauch, A., Gauvreau, J., Gauzzi, P., Gazzana, S., Ge, G., Geffroy, N., Gelli, B., Gent, S., Gerlach, L., Ghorbani-Moghaddam, Z., Giammaria, T., Gibin, D., Gil-Botella, I., Gilligan, S., Gioiosa, A., Giovannella, S., Girerd, C., Giri, A. K., Giugliano, C., Giusti, V., Gnani, D., Gogota, O., Gollapinni, S., Gollwitzer, K., Gomes, R. A., Bermeo, L. V. Gomez, Fajardo, L. S. Gomez, Gonnella, F., Gonzalez-Diaz, D., Gonzalez-Lopez, M., Goodman, M. C., Goswami, S., Gotti, C., Goudeau, J., Goudzovski, E., Grace, C., Gramellini, E., Gran, R., Granados, E., Granger, P., Grant, C., Gratieri, D. R., Grauso, G., Green, P., Greenberg, S., Greer, J., Griffith, W. C., Groetschla, F. T., Grzelak, K., Gu, L., Gu, W., Guarino, V., Guarise, M., Guenette, R., Guerzoni, M., Guffanti, D., Guglielmi, A., Guo, B., Guo, F. Y., Gupta, A., Gupta, V., Gurung, G., Gutierrez, D., Guzowski, P., Guzzo, M. M., Gwon, S., Habig, A., Hadavand, H., Haegel, L., Haenni, R., Hagaman, L., Hahn, A., Haiston, J., Hakenmüller, J., Hamernik, T., Hamilton, P., Hancock, J., Happacher, F., Harris, D. A., Hart, A. L., Hartnell, J., Hartnett, T., Harton, J., Hasegawa, T., Hasnip, C. M., Hatcher, R., Hayrapetyan, K., Hays, J., Hazen, E., He, M., Heavey, A., Heeger, K. M., Heise, J., Hellmuth, P., Henry, S., Herner, K., Hewes, V., Higuera, A., Hilgenberg, C., Hillier, S. J., Himmel, A., Hinkle, E., Hirsch, L. R., Ho, J., Hoff, J., Holin, A., Holvey, T., Hoppe, E., Horiuchi, S., Horton-Smith, G. A., Houdy, T., Howard, B., Howell, R., Hristova, I., Hronek, M. S., Huang, J., Huang, R. G., Hulcher, Z., Ibrahim, M., Iles, G., Ilic, N., Iliescu, A. M., Illingworth, R., Ingratta, G., Ioannisian, A., Irwin, B., Isenhower, L., Oliveira, M. Ismerio, Itay, R., Jackson, C. M., Jain, V., James, E., Jang, W., Jargowsky, B., Jena, D., Jentz, I., Ji, X., Jiang, C., Jiang, J., Jiang, L., Jipa, A., Jo, J. H., Joaquim, F. R., Johnson, W., Jollet, C., Jones, B., Jones, R., Jovancevic, N., Judah, M., Jung, C. K., Jung, K. Y., Junk, T., Jwa, Y., Kabirnezhad, M., Kaboth, A. C., Kadenko, I., Kakorin, I., Kalitkina, A., Kalra, D., Kandemir, M., Kaplan, D. M., Karagiorgi, G., Karaman, G., Karcher, A., Karyotakis, Y., Kasai, S., Kasetti, S. P., Kashur, L., Katsioulas, I., Kauther, A., Kazaryan, N., Ke, L., Kearns, E., Keener, P. T., Kelly, K. J., Kemp, E., Kemularia, O., Kermaidic, Y., Ketchum, W., Kettell, S. H., Khabibullin, M., Khan, N., Khvedelidze, A., Kim, D., Kim, J., Kim, M. J., King, B., Kirby, B., Kirby, M., Kish, A., Klein, J., Kleykamp, J., Klustova, A., Kobilarcik, T., Koch, L., Koehler, K., Koerner, L. W., Koh, D. H., Kolupaeva, L., Korablev, D., Kordosky, M., Kosc, T., Kose, U., Kostelecký, V. A., Kothekar, K., Kotler, I., Kovalcuk, M., Kozhukalov, V., Krah, W., Kralik, R., Kramer, M., Kreczko, L., Krennrich, F., Kreslo, I., Kroupova, T., Kubota, S., Kubu, M., Kudenko, Y., Kudryavtsev, V. A., Kufatty, G., Kuhlmann, S., Kulagin, S., Kumar, J., Kumar, P., Kumaran, S., Kunzmann, J., Kuravi, R., Kurita, N., Kuruppu, C., Kus, V., Kutter, T., Kvasnicka, J., Labree, T., Lackey, T., Lalău, I., Lambert, A., Land, B. J., Lane, C. E., Lane, N., Lang, K., Langford, T., Langstaff, M., Lanni, F., Lantwin, O., Larkin, J., Lasorak, P., Last, D., Laudrain, A., Laundrie, A., Laurenti, G., Lavaut, E., Laycock, P., Lazanu, I., LaZur, R., Lazzaroni, M., Le, T., Leardini, S., Learned, J., LeCompte, T., Legin, V., Miotto, G. Lehmann, Lehnert, R., de Oliveira, M. A. Leigui, Leitner, M., Silverio, D. Leon, Lepin, L. M., Li, J. -Y, Li, S. W., Li, Y., Liao, H., Lin, C. S., Lindebaum, D., Linden, S., Lineros, R. A., Lister, A., Littlejohn, B. R., Liu, H., Liu, J., Liu, Y., Lockwitz, S., Lokajicek, M., Lomidze, I., Long, K., Lopes, T. V., Lopez, J., de Rego, I. López, López-March, N., Lord, T., LoSecco, J. M., Louis, W. C., Sanchez, A. Lozano, Lu, X. -G., Luk, K. B., Lunday, B., Luo, X., Luppi, E., MacFarlane, D., Machado, A. A., Machado, P., Macias, C. T., Macier, J. R., MacMahon, M., Maddalena, A., Madera, A., Madigan, P., Magill, S., Magueur, C., Mahn, K., Maio, A., Major, A., Majumdar, K., Mameli, S., Man, M., Mandujano, R. C., Maneira, J., Manly, S., Mann, A., Manolopoulos, K., Plata, M. Manrique, Corchado, S. Manthey, Manyam, V. N., Marchan, M., Marchionni, A., Marciano, W., Marfatia, D., Mariani, C., Maricic, J., Marinho, F., Marino, A. D., Markiewicz, T., Marques, F. Das Chagas, Marquet, C., Marshak, M., Marshall, C. M., Marshall, J., Martina, L., Martín-Albo, J., Martinez, N., Caicedo, D. A. Martinez, López, F. Martínez, Miravé, P. Martínez, Martynenko, S., Mascagna, V., Massari, C., Mastbaum, A., Matichard, F., Matsuno, S., Matteucci, G., Matthews, J., Mauger, C., Mauri, N., Mavrokoridis, K., Mawby, I., Mazza, R., McAskill, T., McConkey, N., McFarland, K. S., McGrew, C., McNab, A., Meazza, L., Meddage, V. C. N., Mefodiev, A., Mehta, B., Mehta, P., Melas, P., Mena, O., Mendez, H., Mendez, P., Méndez, D. P., Menegolli, A., Meng, G., Mercuri, A. C. E. A., Meregaglia, A., Messier, M. D., Metallo, S., Metcalf, W., Mewes, M., Meyer, H., Miao, T., Micallef, J., Miccoli, A., Michna, G., Milincic, R., Miller, F., Miller, G., Miller, W., Mineev, O., Minotti, A., Miralles, L., Mironov, C., Miryala, S., Miscetti, S., Mishra, C. S., Mishra, P., Mishra, S. R., Mislivec, A., Mitchell, M., Mladenov, D., Mocioiu, I., Mogan, A., Moggi, N., Mohanta, R., Mohayai, T. A., Mokhov, N., Molina, J., Bueno, L. Molina, Montagna, E., Montanari, A., Montanari, C., Montanari, D., Montanino, D., Zetina, L. M. Montaño, Mooney, M., Moor, A. F., Moore, Z., Moreno, D., Moreno-Palacios, O., Morescalchi, L., Moretti, D., Moretti, R., Morris, C., Mossey, C., Moura, C. A., Mouster, G., Mu, W., Mualem, L., Mueller, J., Muether, M., Muheim, F., Muir, A., Mukhamejanov, Y., Mulhearn, M., Munford, D., Munteanu, L. J., Muramatsu, H., Muraz, J., Murphy, M., Murphy, T., Muse, J., Mytilinaki, A., Nachtman, J., Nagai, Y., Nagu, S., Nandakumar, R., Naples, D., Narita, S., Navrer-Agasson, A., Nayak, N., Nebot-Guinot, M., Nehm, A., Nelson, J. K., Neogi, O., Nesbit, J., Nessi, M., Newbold, D., Newcomer, M., Nichol, R., Nicolas-Arnaldos, F., Nikolica, A., Nikolov, J., Niner, E., Nishimura, K., Norman, A., Norrick, A., Novella, P., Nowak, A., Nowak, J. A., Oberling, M., Ochoa-Ricoux, J. P., Oh, S., Oh, S. B., Olivier, A., Olshevskiy, A., Olson, T., Onel, Y., Onishchuk, Y., Oranday, A., Osbiston, M., Vélez, J. A. Osorio, O'Sullivan, L., Ormachea, L. Otiniano, Ott, J., Pagani, L., Palacio, G., Palamara, O., Palestini, S., Paley, J. M., Pallavicini, M., Palomares, C., Pan, S., Panda, P., Vazquez, W. 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L., Radeka, V., Rademacker, J., Radics, B., Raffaelli, F., Rafique, A., Raguzin, E., Rahaman, U., Rai, M., Rajagopalan, S., Rajaoalisoa, M., Rakhno, I., Rakotondravohitra, L., Ralte, L., Delgado, M. A. Ramirez, Ramson, B., Rappoldi, A., Raselli, G., Ratoff, P., Ray, R., Razafinime, H., Razakamiandra, R. F., Rea, E. M., Real, J. S., Rebel, B., Rechenmacher, R., Reichenbacher, J., Reitzner, S. D., Sfar, H. Rejeb, Renner, E., Renshaw, A., Rescia, S., Resnati, F., Restrepo, Diego, Reynolds, C., Ribas, M., Riboldi, S., Riccio, C., Riccobene, G., Ricol, J. S., Rigan, M., Rincón, E. V., Ritchie-Yates, A., Ritter, S., Rivera, D., Rivera, R., Robert, A., Rocha, J. L. Rocabado, Rochester, L., Roda, M., Rodrigues, P., Alonso, M. J. Rodriguez, Rondon, J. Rodriguez, Rosauro-Alcaraz, S., Rosier, P., Ross, D., Rossella, M., Rossi, M., Ross-Lonergan, M., Roy, N., Roy, P., Rubbia, C., Ruggeri, A., Ferreira, G. Ruiz, Russell, B., Ruterbories, D., Rybnikov, A., Sacerdoti, S., Saha, S., Sahoo, S. K., Sahu, N., Sala, P., Samios, N., Samoylov, O., Sanchez, M. C., Bravo, A. Sánchez, Sánchez-Castillo, A., Sanchez-Lucas, P., Sandberg, V., Sanders, D. A., Sanfilippo, S., Sankey, D., Santoro, D., Saoulidou, N., Sapienza, P., Sarasty, C., Sarcevic, I., Sarra, I., Savage, G., Savinov, V., Scanavini, G., Scaramelli, A., Scarff, A., Schefke, T., Schellman, H., Schifano, S., Schlabach, P., Schmitz, D., Schneider, A. W., Scholberg, K., Schukraft, A., Schuld, B., Segade, A., Segreto, E., Selyunin, A., Senadheera, D., Senise, C. R., Sensenig, J., Shaevitz, M. H., Shanahan, P., Sharma, P., Kumar, R., Poudel, S. Sharma, Shaw, K., Shaw, T., Shchablo, K., Shen, J., Shepherd-Themistocleous, C., Sheshukov, A., Shi, J., Shi, W., Shin, S., Shivakoti, S., Shoemaker, I., Shooltz, D., Shrock, R., Siddi, B., Siden, M., Silber, J., Simard, L., Sinclair, J., Sinev, G., Singh, Jaydip, Singh, J., Singh, L., Singh, P., Singh, V., Chauhan, S. 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Tapia, Tapper, A., Tariq, S., Tarpara, E., Tatar, E., Tayloe, R., Tedeschi, D., Teklu, A. M., Vidal, J. Tena, Tennessen, P., Tenti, M., Terao, K., Terranova, F., Testera, G., Thakore, T., Thea, A., Thomas, S., Thompson, A., Thorn, C., Timm, S. C., Tiras, E., Tishchenko, V., Tiwari, S., Todorović, N., Tomassetti, L., Tonazzo, A., Torbunov, D., Torti, M., Tortola, M., Tortorici, F., Tosi, N., Totani, D., Toups, M., Touramanis, C., Tran, D., Travaglini, R., Trevor, J., Triller, E., Trilov, S., Truchon, J., Truncali, D., Trzaska, W. H., Tsai, Y., Tsai, Y. -T., Tsamalaidze, Z., Tsang, K. V., Tsverava, N., Tu, S. Z., Tufanli, S., Tunnell, C., Turnberg, S., Turner, J., Tuzi, M., Tyler, J., Tyley, E., Tzanov, M., Uchida, M. A., González, J. Ureña, Urheim, J., Usher, T., Utaegbulam, H., Uzunyan, S., Vagins, M. R., Vahle, P., Valder, S., Valdiviesso, G. A., Valencia, E., Valentim, R., Vallari, Z., Vallazza, E., Valle, J. W. F., Van Berg, R., Van de Water, R. G., Forero, D. V., Vannozzi, A., Van Nuland-Troost, M., Varanini, F., Oliva, D. Vargas, Vasina, S., Vaughan, N., Vaziri, K., Vázquez-Ramos, A., Vega, J., Ventura, S., Verdugo, A., Vergani, S., Verzocchi, M., Vetter, K., Vicenzi, M., de Souza, H. Vieira, Vignoli, C., Vilela, C., Villa, E., Viola, S., Viren, B., Vizarreta, R., Hernandez, A. P. Vizcaya, Vuong, Q., Waldron, A. V., Wallbank, M., Walsh, J., Walton, T., Wang, H., Wang, J., Wang, L., Wang, M. H. L. S., Wang, X., Wang, Y., Warburton, K., Warner, D., Warsame, L., Wascko, M. O., Waters, D., Watson, A., Wawrowska, K., Weber, A., Weber, C. M., Weber, M., Wei, H., Weinstein, A., Westerdale, S., Wetstein, M., Whalen, K., White, A., Whitehead, L. H., Whittington, D., Wilhlemi, J., Wilking, M. J., Wilkinson, A., Wilkinson, C., Wilson, F., Wilson, R. J., Winter, P., Wisniewski, W., Wolcott, J., Wolfs, J., Wongjirad, T., Wood, A., Wood, K., Worcester, E., Worcester, M., Wospakrik, M., Wresilo, K., Wret, C., Wu, S., Wu, W., Wurm, M., Wyenberg, J., Xiao, Y., Xiotidis, I., Yaeggy, B., Yahlali, N., Yandel, E., Yang, J., Yang, K., Yang, T., Yankelevich, A., Yershov, N., Yonehara, K., Young, T., Yu, B., Yu, H., Yu, J., Yu, Y., Yuan, W., Zaki, R., Zalesak, J., Zambelli, L., Zamorano, B., Zani, A., Zapata, O., Zazueta, L., Zeller, G. P., Zennamo, J., Zeug, K., Zhang, C., Zhang, S., Zhao, M., Zhivun, E., Zimmerman, E. D., Zucchelli, S., Zuklin, J., Zutshi, V., and Zwaska, R.
Subjects: Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract: This paper introduces the hypothetical track-length fitting algorithm, a novel method for measuring the kinetic energies of ionizing particles in liquid argon time projection chambers (LArTPCs). The algorithm finds the most probable offset in track length for a track-like object by comparing the measured ionization density as a function of position with a theoretical prediction of the energy loss as a function of the energy, including models of electron recombination and detector response. The algorithm can be used to measure the energies of particles that interact before they stop, such as charged pions that are absorbed by argon nuclei. The algorithm's energy measurement resolutions and fractional biases are presented as functions of particle kinetic energy and number of track hits using samples of stopping secondary charged pions in data collected by the ProtoDUNE-SP detector, and also in a detailed simulation. Additional studies describe impact of the dE/dx model on energy measurement performance. The method described in this paper to characterize the energy measurement performance can be repeated in any LArTPC experiment using stopping secondary charged pions.
Published: 2024

2. DUNE Phase II: Scientific Opportunities, Detector Concepts, Technological Solutions

Author: DUNE Collaboration, Abud, A. Abed, Abi, B., Acciarri, R., Acero, M. A., Adames, M. R., Adamov, G., Adamowski, M., Adams, D., Adinolfi, M., Adriano, C., Aduszkiewicz, A., Aguilar, J., Akbar, F., Allison, K., Monsalve, S. Alonso, Alrashed, M., Alton, A., Alvarez, R., Alves, T., Amar, H., Amedo, P., Anderson, J., Andreopoulos, C., Andreotti, M., Andrews, M. P., Andrianala, F., Andringa, S., Anfimov, N., Ankowski, A., Antic, D., Antoniassi, M., Antonova, M., Antoshkin, A., Aranda-Fernandez, A., Arellano, L., Diaz, E. Arrieta, Arroyave, M. A., Asaadi, J., Ashkenazi, A., Asner, D. M., Asquith, L., Atkin, E., Auguste, D., Aurisano, A., Aushev, V., Autiero, D., Azam, M. B., Azfar, F., Back, A., Back, H., Back, J. J., Bagaturia, I., Bagby, L., Balashov, N., Balasubramanian, S., Baldi, P., Baldini, W., Baldonedo, J., Baller, B., Bambah, B., Banerjee, R., Barao, F., Barbu, D., Barenboim, G., Barham~Alzás, P., Barker, G. J., Barkhouse, W., Barr, G., Monarca, J. Barranco, Barros, A., Barros, N., Barrow, D., Barrow, J. L., Basharina-Freshville, A., Bashyal, A., Basque, V., Batchelor, C., Bathe-Peters, L., Battat, J. B. R., Battisti, F., Bay, F., Bazetto, M. C. Q., Alba, J. L. L. Bazo, Beacom, J. F., Bechetoille, E., Behera, B., Belchior, E., Bell, G., Bellantoni, L., Bellettini, G., Bellini, V., Beltramello, O., Benekos, N., Montiel, C. Benitez, Benjamin, D., Neves, F. Bento, Berger, J., Berkman, S., Bernal, J., Bernardini, P., Bersani, A., Bertolucci, S., Betancourt, M., Rodríguez, A. Betancur, Bevan, A., Bezawada, Y., Bezerra, A. T., Bezerra, T. J., Bhat, A., Bhatnagar, V., Bhatt, J., Bhattacharjee, M., Bhattacharya, M., Bhuller, S., Bhuyan, B., Biagi, S., Bian, J., Biery, K., Bilki, B., Bishai, M., Bitadze, A., Blake, A., Blaszczyk, F. D., Blazey, G. C., Blucher, E., Bodek, A., Bogenschuetz, J., Boissevain, J., Bolognesi, S., Bolton, T., Bomben, L., Bonesini, M., Bonilla-Diaz, C., Bonini, F., Booth, A., Boran, F., Bordoni, S., Merlo, R. Borges, Borkum, A., Bostan, N., Bouet, R., Boza, J., Bracinik, J., Brahma, B., Brailsford, D., Bramati, F., Branca, A., Brandt, A., Bremer, J., Brew, C., Brice, S. J., Brio, V., Brizzolari, C., Bromberg, C., Brooke, J., Bross, A., Brunetti, G., Brunetti, M., Buchanan, N., Budd, H., Buergi, J., Bundock, A., Burgardt, D., Butchart, S., V., G. Caceres, Cagnoli, I., Cai, T., Calabrese, R., Calcutt, J., Calivers, L., Calvo, E., Caminata, A., Camino, A. F., Campanelli, W., Campani, A., Benitez, A. Campos, Canci, N., Capó, J., Caracas, I., Caratelli, D., Carber, D., Carceller, J. M., Carini, G., Carlus, B., Carneiro, M. F., Carniti, P., Terrazas, I. Caro, Carranza, H., Carrara, N., Carroll, L., Carroll, T., Carter, A., Casarejos, E., Casazza, D., Forero, J. F. Castaño, Castaño, F. A., Castillo, A., Castromonte, C., Catano-Mur, E., Cattadori, C., Cavalier, F., Cavanna, F., Centro, S., Cerati, G., Cerna, C., Cervelli, A., Villanueva, A. Cervera, Chakraborty, K., Chakraborty, S., Chalifour, M., Chappell, A., Charitonidis, N., Chatterjee, A., Chen, H., Chen, M., Chen, W. C., Chen, Y., Chen-Wishart, Z., Cherdack, D., Chi, C., Chiapponi, F., Chirco, R., Chitirasreemadam, N., Cho, K., Choate, S., Chokheli, D., Chong, P. S., Chowdhury, B., Christian, D., Chukanov, A., Chung, M., Church, E., Cicala, M. F., Cicerchia, M., Cicero, V., Ciolini, R., Clarke, P., Cline, G., Coan, T. E., Cocco, A. G., Coelho, J. A. B., Cohen, A., Collazo, J., Collot, J., Conley, E., Conrad, J. M., Convery, M., Copello, S., Cortez, A. F. V., Cova, P., Cox, C., Cremaldi, L., Cremonesi, L., Crespo-Anadón, J. I., Crisler, M., Cristaldo, E., Crnkovic, J., Crone, G., Cross, R., Cudd, A., Cuesta, C., Cui, Y., Curciarello, F., Cussans, D., Dai, J., Dalager, O., Dallavalle, R., Dallaway, W., D'Amico, R., da Motta, H., Dar, Z. A., Darby, R., Peres, L. Da Silva, David, Q., Davies, G. S., Davini, S., Dawson, J., De Aguiar, R., De Almeida, P., Debbins, P., De Bonis, I., Decowski, M. P., de Gouvêa, A., De Holanda, P. C., Astiz, I. L. De Icaza, De Jong, P., Sanchez, P. Del Amo, De la Torre, A., De Lauretis, G., Delbart, A., Delepine, D., Delgado, M., Dell'Acqua, A., Monache, G. Delle, Delmonte, N., De Lurgio, P., Demario, R., De Matteis, G., Neto, J. R. T. de Mello, DeMuth, D. M., Dennis, S., Densham, C., Denton, P., Deptuch, G. W., De Roeck, A., De Romeri, V., Detje, J. P., Devine, J., Dharmapalan, R., Dias, M., Diaz, A., Díaz, J. S., Díaz, F., Di Capua, F., Di Domenico, A., Di Domizio, S., Di Falco, S., Di Giulio, L., Ding, P., Di Noto, L., Diociaiuti, E., Distefano, C., Diurba, R., Diwan, M., Djurcic, Z., Doering, D., Dolan, S., Dolek, F., Dolinski, M. J., Domenici, D., Domine, L., Donati, S., Donon, Y., Doran, S., Douglas, D., Doyle, T. A., Dragone, A., Drielsma, F., Duarte, L., Duchesneau, D., Duffy, K., Dugas, K., Dunne, P., Dutta, B., Duyang, H., Dwyer, D. A., Dyshkant, A. S., Dytman, S., Eads, M., Earle, A., Edayath, S., Edmunds, D., Eisch, J., Englezos, P., Ereditato, A., Erjavec, T., Escobar, C. O., Evans, J. J., Ewart, E., Ezeribe, A. C., Fahey, K., Fajt, L., Falcone, A., Fani', M., Farnese, C., Farrell, S., Farzan, Y., Fedoseev, D., Felix, J., Feng, Y., Fernandez-Martinez, E., Fernández-Posada, D., Ferry, G., Fialova, E., Fields, L., Filip, P., Filkins, A., Filthaut, F., Fine, R., Fiorillo, G., Fiorini, M., Fogarty, S., Foreman, W., Fowler, J., Franc, J., Francis, K., Franco, D., Franklin, J., Freeman, J., Fried, J., Friedland, A., Fuess, S., Furic, I. K., Furman, K., Furmanski, A. P., Gaba, R., Gabrielli, A., M~Gago, A., Galizzi, F., Gallagher, H., Gallice, N., Galymov, V., Gamberini, E., Gamble, T., Ganacim, F., Gandhi, R., Ganguly, S., Gao, F., Gao, S., Garcia-Gamez, D., García-Peris, M. 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M., Gwon, S., Habig, A., Hadavand, H., Haegel, L., Haenni, R., Hagaman, L., Hahn, A., Haiston, J., Hakenmüller, J., Hamernik, T., Hamilton, P., Hancock, J., Happacher, F., Harris, D. A., Hart, A., Hartnell, J., Hartnett, T., Harton, J., Hasegawa, T., Hasnip, C. M., Hatcher, R., Hayrapetyan, K., Hays, J., Hazen, E., He, M., Heavey, A., Heeger, K. M., Heise, J., Hellmuth, P., Henry, S., Hernández-García, J., Herner, K., Hewes, V., Higuera, A., Hilgenberg, C., Hillier, S. J., Himmel, A., Hinkle, E., Hirsch, L. R., Ho, J., Hoff, J., Holin, A., Holvey, T., Hoppe, E., Horiuchi, S., Horton-Smith, G. A., Houdy, T., Howard, B., Howell, R., Hristova, I., Hronek, M. S., Huang, J., Huang, R. G., Hulcher, Z., Ibrahim, M., Iles, G., Ilic, N., Iliescu, A. M., Illingworth, R., Ingratta, G., Ioannisian, A., Irwin, B., Isenhower, L., Oliveira, M. Ismerio, Itay, R., Jackson, C. M., Jain, V., James, E., Jang, W., Jargowsky, B., Jena, D., Jentz, I., Ji, X., Jiang, C., Jiang, J., Jiang, L., Jipa, A., Jo, J. H., Joaquim, F. R., Johnson, W., Jollet, C., Jones, B., Jones, R., Jovancevic, N., Judah, M., Jung, C. K., Junk, T., Jwa, Y., Kabirnezhad, M., Kaboth, A. C., Kadenko, I., Kakorin, I., Kalitkina, A., Kalra, D., Kandemir, M., Kaplan, D. M., Karagiorgi, G., Karaman, G., Karcher, A., Karyotakis, Y., Kasai, S., Kasetti, S. P., Kashur, L., Katsioulas, I., Kauther, A., Kazaryan, N., Ke, L., Kearns, E., Keener, P. T., Kelly, K. J., Kemp, E., Kemularia, O., Kermaidic, Y., Ketchum, W., Kettell, S. H., Khabibullin, M., Khan, N., Khvedelidze, A., Kim, D., Kim, J., Kim, M. J., King, B., Kirby, B., Kirby, M., Kish, A., Klein, J., Kleykamp, J., Klustova, A., Kobilarcik, T., Koch, L., Koehler, K., Koerner, L. W., Koh, D. H., Kolupaeva, L., Korablev, D., Kordosky, M., Kosc, T., Kose, U., Kostelecký, V. A., Kothekar, K., Kotler, I., Kovalcuk, M., Kozhukalov, V., Krah, W., Kralik, R., Kramer, M., Kreczko, L., Krennrich, F., Kreslo, I., Kroupova, T., Kubota, S., Kubu, M., Kudenko, Y., Kudryavtsev, V. A., Kufatty, G., Kuhlmann, S., Kulagin, S., Kumar, J., Kumar, P., Kumaran, S., Kunzmann, J., Kuravi, R., Kurita, N., Kuruppu, C., Kus, V., Kutter, T., Kuźniak, M., Kvasnicka, J., Labree, T., Lackey, T., Lalău, I., Lambert, A., Land, B. J., Lane, C. E., Lane, N., Lang, K., Langford, T., Langstaff, M., Lanni, F., Lantwin, O., Larkin, J., Lasorak, P., Last, D., Laudrain, A., Laundrie, A., Laurenti, G., Lavaut, E., Laycock, P., Lazanu, I., LaZur, R., Lazzaroni, M., Le, T., Leardini, S., Learned, J., LeCompte, T., Legin, V., Miotto, G. Lehmann, Lehnert, R., de Oliveira, M. A. Leigui, Leitner, M., Silverio, D. Leon, Lepin, L. M., -Y~Li, J., Li, S. W., Li, Y., Liao, H., Lin, C. S., Lindebaum, D., Linden, S., Lineros, R. A., Lister, A., Littlejohn, B. R., Liu, H., Liu, J., Liu, Y., Lockwitz, S., Lokajicek, M., Lomidze, I., Long, K., Lopes, T. V., Lopez, J., de Rego, I. López, López-March, N., Lord, T., LoSecco, J. M., Louis, W. C., Sanchez, A. Lozano, Lu, X. -G., Luk, K. B., Lunday, B., Luo, X., Luppi, E., MacFarlane, D., Machado, A. A., Machado, P., Macias, C. T., Macier, J. R., MacMahon, M., Maddalena, A., Madera, A., Madigan, P., Magill, S., Magueur, C., Mahn, K., Maio, A., Major, A., Majumdar, K., Mameli, S., Man, M., Mandujano, R. C., Maneira, J., Manly, S., Mann, A., Manolopoulos, K., Plata, M. Manrique, Corchado, S. Manthey, Manyam, V. N., Marchan, M., Marchionni, A., Marciano, W., Marfatia, D., Mariani, C., Maricic, J., Marinho, F., Marino, A. D., Markiewicz, T., Marques, F. Das Chagas, Marquet, C., Marshak, M., Marshall, C. M., Marshall, J., Martina, L., Martín-Albo, J., Martinez, N., Caicedo, D. A. Martinez, López, F. Martínez, Miravé, P. 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Otiniano, Ott, J., Pagani, L., Palacio, G., Palamara, O., Palestini, S., Paley, J. M., Pallavicini, M., Palomares, C., Pan, S., Panda, P., Vazquez, W. Panduro, Pantic, E., Paolone, V., Papaleo, R., Papanestis, A., Papoulias, D., Paramesvaran, S., Paris, A., Parke, S., Parozzi, E., Parsa, S., Parsa, Z., Parveen, S., Parvu, M., Pasciuto, D., Pascoli, S., Pasqualini, L., Pasternak, J., Patrick, C., Patrizii, L., Patterson, R. B., Patzak, T., Paudel, A., Paulucci, L., Pavlovic, Z., Pawloski, G., Payne, D., Pec, V., Pedreschi, E., Peeters, S. J. M., Pellico, W., Perez, A. Pena, Pennacchio, E., Penzo, A., Peres, O. L. G., Gonzalez, Y. F. Perez, Pérez-Molina, L., Pernas, C., Perry, J., Pershey, D., Pessina, G., Petrillo, G., Petta, C., Petti, R., Pfaff, M., Pia, V., Pickering, L., Pietropaolo, F., Pimentel, V. L., Pinaroli, G., Pincha, S., Pinchault, J., Pitts, K., Plows, K., Pollack, C., Pollman, T., Pompa, F., Pons, X., Poonthottathil, N., Popov, V., Poppi, F., Porter, J., Paix{ã}o, L. G. 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Subjects: Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract: The international collaboration designing and constructing the Deep Underground Neutrino Experiment (DUNE) at the Long-Baseline Neutrino Facility (LBNF) has developed a two-phase strategy toward the implementation of this leading-edge, large-scale science project. The 2023 report of the US Particle Physics Project Prioritization Panel (P5) reaffirmed this vision and strongly endorsed DUNE Phase I and Phase II, as did the European Strategy for Particle Physics. While the construction of the DUNE Phase I is well underway, this White Paper focuses on DUNE Phase II planning. DUNE Phase-II consists of a third and fourth far detector (FD) module, an upgraded near detector complex, and an enhanced 2.1 MW beam. The fourth FD module is conceived as a "Module of Opportunity", aimed at expanding the physics opportunities, in addition to supporting the core DUNE science program, with more advanced technologies. This document highlights the increased science opportunities offered by the DUNE Phase II near and far detectors, including long-baseline neutrino oscillation physics, neutrino astrophysics, and physics beyond the standard model. It describes the DUNE Phase II near and far detector technologies and detector design concepts that are currently under consideration. A summary of key R&D goals and prototyping phases needed to realize the Phase II detector technical designs is also provided. DUNE's Phase II detectors, along with the increased beam power, will complete the full scope of DUNE, enabling a multi-decadal program of groundbreaking science with neutrinos.
Published: 2024

3. First Measurement of the Total Inelastic Cross-Section of Positively-Charged Kaons on Argon at Energies Between 5.0 and 7.5 GeV

Author: DUNE Collaboration, Abud, A. Abed, Abi, B., Acciarri, R., Acero, M. A., Adames, M. R., Adamov, G., Adamowski, M., Adams, D., Adinolfi, M., Adriano, C., Aduszkiewicz, A., Aguilar, J., Akbar, F., Allison, K., Monsalve, S. Alonso, Alrashed, M., Alton, A., Alvarez, R., Alves, T., Amar, H., Amedo, P., Anderson, J., Andreopoulos, C., Andreotti, M., Andrews, M. P., Andrianala, F., Andringa, S., Anfimov, N., Ankowski, A., Antic, D., Antoniassi, M., Antonova, M., Antoshkin, A., Aranda-Fernandez, A., Arellano, L., Diaz, E. Arrieta, Arroyave, M. A., Asaadi, J., Ashkenazi, A., Asner, D., Asquith, L., Atkin, E., Auguste, D., Aurisano, A., Aushev, V., Autiero, D., Azam, M. B., Azfar, F., Back, A., Back, H., Back, J. J., Bagaturia, I., Bagby, L., Balashov, N., Balasubramanian, S., Baldi, P., Baldini, W., Baldonedo, J., Baller, B., Bambah, B., Banerjee, R., Barao, F., Barbu, D., Barenboim, G., Barham~Alzás, P., Barker, G. J., Barkhouse, W., Barr, G., Monarca, J. Barranco, Barros, A., Barros, N., Barrow, D., Barrow, J. L., Basharina-Freshville, A., Bashyal, A., Basque, V., Batchelor, C., Bathe-Peters, L., Battat, J. B. R., Battisti, F., Bay, F., Bazetto, M. C. Q., Alba, J. L. L. Bazo, Beacom, J. F., Bechetoille, E., Behera, B., Belchior, E., Bell, G., Bellantoni, L., Bellettini, G., Bellini, V., Beltramello, O., Benekos, N., Montiel, C. Benitez, Benjamin, D., Neves, F. Bento, Berger, J., Berkman, S., Bernal, J., Bernardini, P., Bersani, A., Bertolucci, S., Betancourt, M., Rodríguez, A. Betancur, Bevan, A., Bezawada, Y., Bezerra, A. T., Bezerra, T. J., Bhat, A., Bhatnagar, V., Bhatt, J., Bhattacharjee, M., Bhattacharya, M., Bhuller, S., Bhuyan, B., Biagi, S., Bian, J., Biery, K., Bilki, B., Bishai, M., Bitadze, A., Blake, A., Blaszczyk, F. D., Blazey, G. C., Blucher, E., Bodek, A., Bogenschuetz, J., Boissevain, J., Bolognesi, S., Bolton, T., Bomben, L., Bonesini, M., Bonilla-Diaz, C., Bonini, F., Booth, A., Boran, F., Bordoni, S., Merlo, R. 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N., Mefodiev, A., Mehta, B., Mehta, P., Melas, P., Mena, O., Mendez, H., Mendez, P., Méndez, D. P., Menegolli, A., Meng, G., Mercuri, A. C. E. A., Meregaglia, A., Messier, M. D., Metallo, S., Metcalf, W., Mewes, M., Meyer, H., Miao, T., Micallef, J., Miccoli, A., Michna, G., Milincic, R., Miller, F., Miller, G., Miller, W., Mineev, O., Minotti, A., Miralles, L., Miranda, O. G., Mironov, C., Miryala, S., Miscetti, S., Mishra, C. S., Mishra, P., Mishra, S. R., Mislivec, A., Mitchell, M., Mladenov, D., Mocioiu, I., Mogan, A., Moggi, N., Mohanta, R., Mohayai, T. A., Mokhov, N., Molina, J., Bueno, L. Molina, Montagna, E., Montanari, A., Montanari, C., Montanari, D., Montanino, D., Zetina, L. M. Montaño, Mooney, M., Moor, A. F., Moore, Z., Moreno, D., Moreno-Palacios, O., Morescalchi, L., Moretti, D., Moretti, R., Morris, C., Mossey, C., Moura, C. A., Mouster, G., Mu, W., Mualem, L., Mueller, J., Muether, M., Muheim, F., Muir, A., Mulhearn, M., Munford, D., Munteanu, L. J., Muramatsu, H., Muraz, J., Murphy, M., Murphy, T., Muse, J., Mytilinaki, A., Nachtman, J., Nagai, Y., Nagu, S., Nandakumar, R., Naples, D., Narita, S., Navrer-Agasson, A., Nayak, N., Nebot-Guinot, M., Nehm, A., Nelson, J. K., Neogi, O., Nesbit, J., Nessi, M., Newbold, D., Newcomer, M., Nichol, R., Nicolas-Arnaldos, F., Nikolica, A., Nikolov, J., Niner, E., Nishimura, K., Norman, A., Norrick, A., Novella, P., Nowak, A., Nowak, J. A., Oberling, M., Ochoa-Ricoux, J. P., Oh, S., Oh, S. B., Olivier, A., Olshevskiy, A., Olson, T., Onel, Y., Onishchuk, Y., Oranday, A., Osbiston, M., Vélez, J. A. Osorio, O'Sullivan, L., Ormachea, L. Otiniano, Ott, J., Pagani, L., Palacio, G., Palamara, O., Palestini, S., Paley, J. M., Pallavicini, M., Palomares, C., Pan, S., Panda, P., Vazquez, W. Panduro, Pantic, E., Paolone, V., Papaleo, R., Papanestis, A., Papoulias, D., Paramesvaran, S., Paris, A., Parke, S., Parozzi, E., Parsa, S., Parsa, Z., Parveen, S., Parvu, M., Pasciuto, D., Pascoli, S., Pasqualini, L., Pasternak, J., Patrick, C., Patrizii, L., Patterson, R. B., Patzak, T., Paudel, A., Paulucci, L., Pavlovic, Z., Pawloski, G., Payne, D., Pec, V., Pedreschi, E., Peeters, S. J. M., Pellico, W., Perez, A. Pena, Pennacchio, E., Penzo, A., Peres, O. L. G., Gonzalez, Y. F. Perez, Pérez-Molina, L., Pernas, C., Perry, J., Pershey, D., Pessina, G., Petrillo, G., Petta, C., Petti, R., Pfaff, M., Pia, V., Pickering, L., Pietropaolo, F., Pimentel, V. L., Pinaroli, G., Pincha, S., Pinchault, J., Pitts, K., Plows, K., Pollack, C., Pollman, T., Pompa, F., Pons, X., Poonthottathil, N., Popov, V., Poppi, F., Porter, J., Paix{ã}o, L. G. Porto, Potekhin, M., Potenza, R., Pozimski, J., Pozzato, M., Prakash, T., Pratt, C., Prest, M., Psihas, F., Pugnere, D., Qian, X., Queen, J., Raaf, J. L., Radeka, V., Rademacker, J., Radics, B., Raffaelli, F., Rafique, A., Raguzin, E., Rai, M., Rajagopalan, S., Rajaoalisoa, M., Rakhno, I., Rakotondravohitra, L., Ralte, L., Delgado, M. A. Ramirez, Ramson, B., Rappoldi, A., Raselli, G., Ratoff, P., Ray, R., Razafinime, H., Rea, E. M., Real, J. S., Rebel, B., Rechenmacher, R., Reichenbacher, J., Reitzner, S. D., Sfar, H. Rejeb, Renner, E., Renshaw, A., Rescia, S., Resnati, F., Diego~Restrepo, Reynolds, C., Ribas, M., Riboldi, S., Riccio, C., Riccobene, G., Ricol, J. S., Rigan, M., Rincón, E. V., Ritchie-Yates, A., Ritter, S., Rivera, D., Rivera, R., Robert, A., Rocha, J. L. Rocabado, Rochester, L., Roda, M., Rodrigues, P., Alonso, M. J. Rodriguez, Rondon, J. Rodriguez, Rosauro-Alcaraz, S., Rosier, P., Ross, D., Rossella, M., Rossi, M., Ross-Lonergan, M., Roy, N., Roy, P., Rubbia, C., Ruggeri, A., Ferreira, G. Ruiz, Russell, B., Ruterbories, D., Rybnikov, A., Sacerdoti, S., Saha, S., Sahoo, S. K., Sahu, N., Sala, P., Samios, N., Samoylov, O., Sanchez, M. C., Bravo, A. Sánchez, Sánchez-Castillo, A., Sanchez-Lucas, P., Sandberg, V., Sanders, D. A., Sanfilippo, S., Sankey, D., Santoro, D., Saoulidou, N., Sapienza, P., Sarasty, C., Sarcevic, I., Sarra, I., Savage, G., Savinov, V., Scanavini, G., Scaramelli, A., Scarff, A., Schefke, T., Schellman, H., Schifano, S., Schlabach, P., Schmitz, D., Schneider, A. W., Scholberg, K., Schukraft, A., Schuld, B., Segade, A., Segreto, E., Selyunin, A., Senadheera, D., Senise, C. R., Sensenig, J., Shaevitz, M. H., Shanahan, P., Sharma, P., Kumar, R., Poudel, S. Sharma, Shaw, K., Shaw, T., Shchablo, K., Shen, J., Shepherd-Themistocleous, C., Sheshukov, A., Shi, J., Shi, W., Shin, S., Shivakoti, S., Shoemaker, I., Shooltz, D., Shrock, R., Siddi, B., Siden, M., Silber, J., Simard, L., Sinclair, J., Sinev, G., Singh, Jaydip, Singh, J., Singh, L., Singh, P., Singh, V., Chauhan, S. Singh, Sipos, R., Sironneau, C., Sirri, G., Siyeon, K., Skarpaas, K., Smedley, J., Smith, E., Smith, J., Smith, P., Smolik, J., Smy, M., Snape, M., Snider, E. L., Snopok, P., Snowden-Ifft, D., Nunes, M. Soares, Sobel, H., Soderberg, M., Sokolov, S., Salinas, C. J. Solano, Söldner-Rembold, S., Solomey, N., Solovov, V., Sondheim, W. E., Sorel, M., Sotnikov, A., Soto-Oton, J., Sousa, A., Soustruznik, K., Spinella, F., Spitz, J., Spooner, N. J. C., Spurgeon, K., Stalder, D., Stancari, M., Stanco, L., Steenis, J., Stein, R., Steiner, H. M., Lisbôa, A. F. Steklain, Stepanova, A., Stewart, J., Stillwell, B., Stock, J., Stocker, F., Stokes, T., Strait, M., Strauss, T., Strigari, L., Stuart, A., Suarez, J. G., Subash, J., Surdo, A., Suter, L., Sutera, C. M., Sutton, K., Suvorov, Y., Svoboda, R., Swain, S. K., Szczerbinska, B., Szelc, A. M., Sztuc, A., Taffara, A., Talukdar, N., Tamara, J., Tanaka, H. A., Tang, S., Taniuchi, N., Casanova, A. M. Tapia, Oregui, B. Tapia, Tapper, A., Tariq, S., Tarpara, E., Tatar, E., Tayloe, R., Tedeschi, D., Teklu, A. M., Vidal, J. Tena, Tennessen, P., Tenti, M., Terao, K., Terranova, F., Testera, G., Thakore, T., Thea, A., Thomas, S., Thompson, A., Thorn, C., Timm, S. C., Tiras, E., Tishchenko, V., Todorović, N., Tomassetti, L., Tonazzo, A., Torbunov, D., Torti, M., Tortola, M., Tortorici, F., Tosi, N., Totani, D., Toups, M., Touramanis, C., Tran, D., Travaglini, R., Trevor, J., Triller, E., Trilov, S., Truchon, J., Truncali, D., Trzaska, W. H., Tsai, Y., Tsai, Y. -T., Tsamalaidze, Z., Tsang, K. V., Tsverava, N., Tu, S. Z., Tufanli, S., Tunnell, C., Turnberg, S., Turner, J., Tuzi, M., Tyler, J., Tyley, E., Tzanov, M., Uchida, M. A., González, J. Ureña, Urheim, J., Usher, T., Utaegbulam, H., Uzunyan, S., Vagins, M. R., Vahle, P., Valder, S., Valdiviesso, G. A., Valencia, E., Valentim, R., Vallari, Z., Vallazza, E., Valle, J. W. F., Van Berg, R., Van de Water, R. G., Forero, D. V., Vannozzi, A., Van Nuland-Troost, M., Varanini, F., Oliva, D. Vargas, Vasina, S., Vaughan, N., Vaziri, K., Vázquez-Ramos, A., Vega, J., Ventura, S., Verdugo, A., Vergani, S., Verzocchi, M., Vetter, K., Vicenzi, M., de Souza, H. Vieira, Vignoli, C., Vilela, C., Villa, E., Viola, S., Viren, B., Hernandez, A. P. Vizcaya, Vuong, Q., Waldron, A. V., Wallbank, M., Walsh, J., Walton, T., Wang, H., Wang, J., Wang, L., Wang, M. H. L. S., Wang, X., Wang, Y., Warburton, K., Warner, D., Warsame, L., Wascko, M. O., Waters, D., Watson, A., Wawrowska, K., Weber, A., Weber, C. M., Weber, M., Wei, H., Weinstein, A., Westerdale, S., Wetstein, M., Whalen, K., White, A., Whitehead, L. H., Whittington, D., Wilhlemi, J., Wilking, M. J., Wilkinson, A., Wilkinson, C., Wilson, F., Wilson, R. J., Winter, P., Wisniewski, W., Wolcott, J., Wolfs, J., Wongjirad, T., Wood, A., Wood, K., Worcester, E., Worcester, M., Wospakrik, M., Wresilo, K., Wret, C., Wu, S., Wu, W., Wurm, M., Wyenberg, J., Xiao, Y., Xiotidis, I., Yaeggy, B., Yahlali, N., Yandel, E., Yang, J., Yang, K., Yang, T., Yankelevich, A., Yershov, N., Yonehara, K., Young, T., Yu, B., Yu, H., Yu, J., Yu, Y., Yuan, W., Zaki, R., Zalesak, J., Zambelli, L., Zamorano, B., Zani, A., Zapata, O., Zazueta, L., Zeller, G. P., Zennamo, J., Zeug, K., Zhang, C., Zhang, S., Zhao, M., Zhivun, E., Zimmerman, E. D., Zucchelli, S., Zuklin, J., Zutshi, V., and Zwaska, R.
Subjects: High Energy Physics - Experiment, Physics - Instrumentation and Detectors
Abstract: ProtoDUNE Single-Phase (ProtoDUNE-SP) is a 770-ton liquid argon time projection chamber that operated in a hadron test beam at the CERN Neutrino Platform in 2018. We present a measurement of the total inelastic cross section of charged kaons on argon as a function of kaon energy using 6 and 7 GeV/$c$ beam momentum settings. The flux-weighted average of the extracted inelastic cross section at each beam momentum setting was measured to be 380$\pm$26 mbarns for the 6 GeV/$c$ setting and 379$\pm$35 mbarns for the 7 GeV/$c$ setting.
Published: 2024

4. Search for keV-scale Sterile Neutrinos with first KATRIN Data

Author: Aker, M., Batzler, D., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bobien, S., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., Chilingaryan, S., Choi, W., Debowski, K., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gavin, A. S., Gil, W., Glück, F., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kleifges, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., La Cascio, L., Lasserre, T., Le, T. L., Lebeda, O., Lehnert, B., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Mertens, S., Mostafa, J., Müller, K., Neumann, H., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ráliš, J., Ramachandran, S., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Salomon, R., Schäfer, P., Schimpf, L., Schlösser, M., Schlösser, K., Schlüter, L., Schneidewind, S., Schrank, M., Schwemmer, A., Šefčík, M., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Sturm, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wetter, M., Wiesinger, C., Wilkerson, J. F., Wolf, J., Wüstling, S., Wydra, J., Xu, W., Zadoroghny, S., and Zeller, G.
Subjects: Nuclear Experiment
Abstract: In this work we present a keV-scale sterile-neutrino search with the first tritium data of the KATRIN experiment, acquired in the commissioning run in 2018. KATRIN performs a spectroscopic measurement of the tritium $\beta$-decay spectrum with the main goal of directly determining the effective electron anti-neutrino mass. During this commissioning phase a lower tritium activity facilitated the search for sterile neutrinos with a mass of up to $1.6\, \mathrm{keV}$. We do not find a signal and set an exclusion limit on the sterile-to-active mixing amplitude of down to $\sin^2\theta < 5\cdot10^{-4}$ ($95\,\%$ C.L.), improving current laboratory-based bounds in the sterile-neutrino mass range between 0.1 and $1.0\, \mathrm{keV}$.
Published: 2022

5. Search for Lorentz-Invariance Violation with the first KATRIN data

Author: Aker, M., Batzler, D., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bobien, S., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., Chilingaryan, S., Choi, W., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gavin, A. S., Gil, W., Glück, F., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kleifges, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., La Cascio, L., Lasserre, T., Le, T. L., Lebeda, O., Lehnert, B., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Mertens, S., Mostafa, J., Müller, K., Neumann, H., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ráliš, J., Ramachandran, S., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Salomon, R., Schäfer, P., Schimpf, L., Schlösser, M., Schlösser, K., Schlüter, L., Schneidewind, S., Schrank, M., Schwemmer, A., Šefčík, M., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Sturm, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wetter, M., Wickles, J., Wiesinger, C., Wilkerson, J. F., Wolf, J., Wüstling, S., Wydra, J., Xu, W., Zadoroghny, S., and Zeller, G.
Subjects: Nuclear Experiment, High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract: Some extensions of the Standard Model of Particle Physics allow for Lorentz invariance and Charge-Parity-Time (CPT)-invariance violations. In the neutrino sector strong constraints have been set by neutrino-oscillation and time-of-flight experiments. However, some Lorentz-invariance-violating parameters are not accessible via these probes. In this work, we focus on the parameters $(a_{\text{of}}^{(3)})_{00}$, $(a_{\text{of}}^{(3)})_{10}$ and $(a_{\text{of}}^{(3)})_{11}$ which would manifest themselves in a non-isotropic beta-decaying source as a sidereal oscillation and an overall shift of the spectral endpoint. Based on the data of the first scientific run of the KATRIN experiment, we set the first limit on $\left|(a_{\text{of}}^{(3)})_{11}\right|$ of $< 3.7\cdot10^{-6}$ GeV at 90\% confidence level. Moreover, we derive new constraints on $(a_{\text{of}}^{(3)})_{00}$ and $(a_{\text{of}}^{(3)})_{10}$.
Published: 2022
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6. KATRIN: Status and Prospects for the Neutrino Mass and Beyond

Author: Aker, M., Balzer, M., Batzler, D., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Biassoni, M., Bieringer, B., Block, F., Bobien, S., Bombelli, L., Bormann, D., Bornschein, B., Bornschein, L., Böttcher, M., Brofferio, C., Bruch, C., Brunst, T., Caldwell, T. S., Carminati, M., Carney, R. M. D., Chilingaryan, S., Choi, W., Cremonesi, O., Debowski, K., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, A., Fink, D., Fiorini, C., Formaggio, J. A., Forstner, C., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gavin, A. S., Gil, W., Glück, F., Grande, A., Grössle, R., Gugiatti, M., Gumbsheimer, R., Hannen, V., Hartmann, J., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., King, P., Kleifges, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Lasserre, T., La Cascio, L., Lebeda, O., Lechner, P., Lehnert, B., Le, T. L., Lokhov, A., Machatschek, M., Malcherek, E., Manfrin, D., Mark, M., Marsteller, A., Martin, E. L., Mazzola, E., Melzer, C., Mertens, S., Mostafa, J., Müller, K., Nava, A., Neumann, H., Niemes, S., Oelpmann, P., Onillon, A., Parno, D. S., Pavan, M., Pigliafreddo, A., Poon, A. W. P., Poyato, J. M. L., Pozzi, S., Priester, F., Puritscher, M., Radford, D. C., Ráliš, J., Ramachandran, S., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Salomon, R. W. J., Schäfer, P., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schneidewind, S., Schrank, M., Schütz, A. K., Schwemmer, A., Sedlak, A., Šefčík, M., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Spreng, D., Steidl, M., Sturm, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trigilio, P., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Voigt, P., Weinheimer, C., Weiss, E., Welte, S., Wendel, J., Wiesinger, C., Wilkerson, J. F., Wolf, J., Wunderl, L., Wüstling, S., Wydra, J., Xu, W., Zadoroghny, S., and Zeller, G.
Subjects: Nuclear Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, High Energy Physics - Experiment, Physics - Instrumentation and Detectors
Abstract: The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to measure a high-precision integral spectrum of the endpoint region of T2 beta decay, with the primary goal of probing the absolute mass scale of the neutrino. After a first tritium commissioning campaign in 2018, the experiment has been regularly running since 2019, and in its first two measurement campaigns has already achieved a sub-eV sensitivity. After 1000 days of data-taking, KATRIN's design sensitivity is 0.2 eV at the 90% confidence level. In this white paper we describe the current status of KATRIN; explore prospects for measuring the neutrino mass and other physics observables, including sterile neutrinos and other beyond-Standard-Model hypotheses; and discuss research-and-development projects that may further improve the KATRIN sensitivity., Comment: Contribution to Snowmass 2021. 70 pages excluding references; 35 figures. Author list updated June 2023
Published: 2022
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7. New Constraint on the Local Relic Neutrino Background Overdensity with the First KATRIN Data Runs

Author: Aker, M., Batzler, D., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bobien, S., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., Chilingaryan, S., Choi, W., Debowski, K., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gavin, A. S., Gil, W., Glück, F., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, F., Kellerer, J., Kleifges, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., La Cascio, L., Lasserre, T., Le, T. L., Lebeda, O., Lehnert, B., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Mertens, S., Mostafa, J., Müller, K., Neumann, H., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ráliš, J., Ramachandran, S., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Salomon, R., Schäfer, P., Schimpf, L., Schlösser, M., Schlösser, K., Schlüter, L., Schneidewind, S., Schrank, M., Schwemmer, A., Šefčík, M., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Sturm, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wetter, M., Wiesinger, C., Wilkerson, J. F., Wolf, J., Wüstling, S., Wydra, J., Xu, W., Zadoroghny, S., and Zeller, G.
Subjects: Nuclear Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, High Energy Physics - Experiment
Abstract: We report on the direct cosmic relic neutrino background search from the first two science runs of the KATRIN experiment in 2019. Beta-decay electrons from a high-purity molecular tritium gas source are analyzed by a high-resolution MAC-E filter around the kinematic endpoint at 18.57 keV. The analysis is sensitive to a local relic neutrino overdensity of 9.7e10 (1.1e11) at a 90% (95%) confidence level. A fit of the integrated electron spectrum over a narrow interval around the kinematic endpoint accounting for relic neutrino captures in the Tritium source reveals no significant overdensity. This work improves the results obtained by the previous kinematic neutrino mass experiments at Los Alamos and Troitsk. We furthermore update the projected final sensitivity of the KATRIN experiment to <1e10 at 90% confidence level, by relying on updated operational conditions., Comment: 7 pages, 7 figures
Published: 2022
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8. Improved eV-scale Sterile-Neutrino Constraints from the Second KATRIN Measurement Campaign

Author: Aker, M., Batzler, D., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bobien, S., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., Chilingaryan, S., Choi, W., Debowski, K., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gavin, A. S., Gil, W., Glück, F., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kleifges, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., La Cascio, L., Lasserre, T., Le, T. L., Lebeda, O., Lehnert, B., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Mertens, S., Mostafa, J., Müller, K., Neumann, H., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ráliš, J., Ramachandran, S., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Salomon, R., Schäfer, P., Schimpf, L., Schlösser, M., Schlösser, K., Schlüter, L., Schneidewind, S., Schrank, M., Schwemmer, A., Šefčík, M., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Sturm, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wetter, M., Wiesinger, C., Wilkerson, J. F., Wolf, J., Wüstling, S., Wydra, J., Xu, W., Zadoroghny, S., and Zeller, G.
Subjects: High Energy Physics - Experiment
Abstract: We present the results of the light sterile neutrino search from the second KATRIN measurement campaign in 2019. Approaching nominal activity, $3.76 \times 10^6$ tritium $\beta$-electrons are analyzed in an energy window extending down to $40\,$eV below the tritium endpoint at $E_0 = 18.57\,$keV. We consider the $3\nu+1$ framework with three active and one sterile neutrino flavor. The analysis is sensitive to a fourth mass eigenstate $m_4^2\lesssim1600\,$eV$^2$ and active-to-sterile mixing $|U_{e4}|^2 \gtrsim 6 \times 10^{-3}$. As no sterile-neutrino signal was observed, we provide improved exclusion contours on $m_4^2$ and $|U_{e4}|^2$ at $95\,$% C.L. Our results supersede the limits from the Mainz and Troitsk experiments. Furthermore, we are able to exclude the large $\Delta m_{41}^2$ solutions of the reactor antineutrino and gallium anomalies to a great extent. The latter has recently been reaffirmed by the BEST collaboration and could be explained by a sterile neutrino with large mixing. While the remaining solutions at small $\Delta m_{41}^2$ are mostly excluded by short-baseline reactor experiments, KATRIN is the only ongoing laboratory experiment to be sensitive to relevant solutions at large $\Delta m_{41}^2$ through a robust spectral shape analysis., Comment: 14 pages, 8 figures, 2 tables
Published: 2022
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9. First direct neutrino-mass measurement with sub-eV sensitivity

Author: Aker, M., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., La Cascio, L., Chilingaryan, S., Choi, W., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gil, W., Glück, F., Grössle, R., Gumbsheimer, R., Gupta, V., Höhn, T., Hannen, V., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, F., Kellerer, J., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Kunka, N., Lasserre, T., Le, T. L., Lebeda, O., Lehnert, B., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Menshikov, A., Mertens, S., Mostafa, J., Müller, K., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Röllig, M., Röttele, C., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Ryšavý, M., Sack, R., Saenz, A., Schäfer, P., Schaller, A., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schneidewind, S., Schrank, M., Schulz, B., Schwemmer, A., Šefčík, M., Sibille, V., Siegmann, D., Slezák, M., Steidl, M., Sturm, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Xu, W., Yen, Y. -R., Zadoroghny, S., and Zeller, G.
Subjects: High Energy Physics - Experiment, Nuclear Experiment
Abstract: We report the results of the second measurement campaign of the Karlsruhe Tritium Neutrino (KATRIN) experiment. KATRIN probes the effective electron anti-neutrino mass, $m_{\nu}$, via a high-precision measurement of the tritium $\beta$-decay spectrum close to its endpoint at $18.6\,\mathrm{keV}$. In the second physics run presented here, the source activity was increased by a factor of 3.8 and the background was reduced by $25\,\%$ with respect to the first campaign. A sensitivity on $m_{\nu}$ of $0.7\,\mathrm{eV/c^2}$ at $90\,\%$ confidence level (CL) was reached. This is the first sub-eV sensitivity from a direct neutrino-mass experiment. The best fit to the spectral data yields $m_{\nu}^2 = (0.26\pm0.34)\,\mathrm{eV^4/c^4}$, resulting in an upper limit of $m_{\nu}<0.9\,\mathrm{eV/c^2}$ ($90\,\%$ CL). By combining this result with the first neutrino mass campaign, we find an upper limit of $m_{\nu}<0.8\,\mathrm{eV/c^2}$ ($90\,\%$ CL)., Comment: 19 pages, 10 figures, 5 tables
Published: 2021

10. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

Author: Aker, M., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., Chilingaryan, S., Choi, W., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Miniawy, A. El, Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gil, W., Glück, F., Groh, S., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Heizmann, F., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kleesiek, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Kunka, N., Lasserre, T., La Cascio, L., Lebeda, O., Lehnert, B., Le, T. L., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Meier, M., Melzer, C., Menshikov, A., Mertens, S., Mostafa, J., Müller, K., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ranitzsch, P. C. -O., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schäfer, P., Schaller, A., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schneidewind, S., Schrank, M., Schulz, B., Schwachtgen, C., Šefčík, M., Seitz-Moskaliuk, H., Sibille, V., Siegmann, D., Slezák, M., Steidl, M., Sturm, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Xu, W., Yen, Y. -R., Zadoroghny, S., and Zeller, G.
Subjects: Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract: The KATRIN experiment is designed for a direct and model-independent determination of the effective electron anti-neutrino mass via a high-precision measurement of the tritium $\beta$-decay endpoint region with a sensitivity on $m_\nu$ of 0.2$\,$eV/c$^2$ (90% CL). For this purpose, the $\beta$-electrons from a high-luminosity windowless gaseous tritium source traversing an electrostatic retarding spectrometer are counted to obtain an integral spectrum around the endpoint energy of 18.6$\,$keV. A dominant systematic effect of the response of the experimental setup is the energy loss of $\beta$-electrons from elastic and inelastic scattering off tritium molecules within the source. We determined the \linebreak energy-loss function in-situ with a pulsed angular-selective and monoenergetic photoelectron source at various tritium-source densities. The data was recorded in integral and differential modes; the latter was achieved by using a novel time-of-flight technique. We developed a semi-empirical parametrization for the energy-loss function for the scattering of 18.6-keV electrons from hydrogen isotopologs. This model was fit to measurement data with a 95% T$_2$ gas mixture at 30$\,$K, as used in the first KATRIN neutrino mass analyses, as well as a D$_2$ gas mixture of 96% purity used in KATRIN commissioning runs. The achieved precision on the energy-loss function has abated the corresponding uncertainty of $\sigma(m_\nu^2)<10^{-2}\,\mathrm{eV}^2$ [arXiv:2101.05253] in the KATRIN neutrino-mass measurement to a subdominant level., Comment: 12 figures, 18 pages; to be submitted to EPJ C
Published: 2021
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11. The Design, Construction, and Commissioning of the KATRIN Experiment

Author: Aker, M., Altenmüller, K., Amsbaugh, J. F., Arenz, M., Babutzka, M., Bast, J., Bauer, S., Bechtler, H., Beck, M., Beglarian, A., Behrens, J., Bender, B., Berendes, R., Berlev, A., Besserer, U., Bettin, C., Bieringer, B., Blaum, K., Block, F., Bobien, S., Bohn, J., Bokeloh, K., Bolz, H., Bornschein, B., Bornschein, L., Böttcher, M., Bouquet, H., Boyd, N. M., Brunst, T., Burritt, T. H., Caldwell, T. S., Chaoui, Z., Chilingaryan, S., Choi, W., Corona, T. J., Cox, G. A., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Dunmore, J. A., Dyba, S., Edzards, F., Eichelhardt, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Felden, A., Fischer, S., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Frenzel, H., Friedel, F., Fulst, A., Gauda, K., Gehring, R., Gil, W., Glück, F., Görhardt, S., Grimm, J., Grohmann, S., Groh, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Häßler, D., Hannen, V., Harms, F., Harper, G. C., Hartmann, J., Haußmann, N., Heizmann, F., Helbing, K., Held, M., Hickford, S., Hilk, D., Hillen, B., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Holzmann, S., Horn, S., Hötzel, M., Houdy, T., Howe, M. A., Huber, A., James, T., Jansen, A., Kaiser, M., Karl, C., Kazachenko, O., Kellerer, J., Kippenbrock, L., Kleesiek, M., Kleifges, M., Kleinfeller, J., Klein, M., Köllenberger, L., Kopmann, A., Korzeczek, M., Kosmider, A., Kovalík, A., Krasch, B., Krause, H., Kraus, M., Kuckert, L., Kumb, A., Kunka, N., Lasserre, T., La Cascio, L., Lebeda, O., Leber, M. L., Lehnert, B., Leiber, B., Letnev, J., Lewis, R. J., Le, T. L., Lichter, S., Lokhov, A., Poyato, J. M. Lopez, Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Mehret, K., Meloni, M., Melzer, C., Menshikov, A., Mertens, S., Minter, L. I., Monreal, B., Mostafa, J., Müller, K., Myers, A. W., Naumann, U., Neumann, H., Niemes, S., Oelpmann, P., Off, A., Ortjohann, H. -W., Osipowicz, A., Ostrick, B., Parno, D. S., Peterson, D. A., Plischke, P., Poon, A. W. P., Prall, M., Priester, F., Ranitzsch, P. C. -O., Reich, J., Renschler, P., Rest, O., Rinderspacher, R., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Rohr, P., Röllig, M., Röttele, C., Rupp, S., Ryšavý, M., Sack, R., Saenz, A., Sagawe, M., Schäfer, P., Schaller, A., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schneidewind, S., Schön, H., Schönung, K., Schrank, M., Schulz, B., Schwarz, J., Šefčík, M., Seitz-Moskaliuk, H., Seller, W., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Sturm, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., VanDevender, B. A., Van Wechel, T. D., Vénos, D., Verbeek, A., Vianden, R., Hernández, A. P. Vizcaya, Vogt, K., Wall, B. L., Wandkowsky, N., Weber, M., Weingardt, H., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wierman, K. J., Wilkerson, J. F., Wolf, J., Wüstling, S., Xu, W., Yen, Y. -R., Zacher, M., Zadoroghny, S., Zboril, M., and Zeller, G.
Subjects: Physics - Instrumentation and Detectors, High Energy Physics - Experiment
Abstract: The KArlsruhe TRItium Neutrino (KATRIN) experiment, which aims to make a direct and model-independent determination of the absolute neutrino mass scale, is a complex experiment with many components. More than 15 years ago, we published a technical design report (TDR) [https://publikationen.bibliothek.kit.edu/270060419] to describe the hardware design and requirements to achieve our sensitivity goal of 0.2 eV at 90% C.L. on the neutrino mass. Since then there has been considerable progress, culminating in the publication of first neutrino mass results with the entire beamline operating [arXiv:1909.06048]. In this paper, we document the current state of all completed beamline components (as of the first neutrino mass measurement campaign), demonstrate our ability to reliably and stably control them over long times, and present details on their respective commissioning campaigns., Comment: Added missing acknowledgement, corrected performance statement in chapter 4.2.5, updated author list and references
Published: 2021
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12. Analysis methods for the first KATRIN neutrino-mass measurement

Author: Aker, M., Altenmüller, K., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Blaum, K., Block, F., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., La Cascio, L., Chilingaryan, S., Choi, W., Barrero, D. Díaz, Debowski, K., Deffert, M., Descher, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Fedkevych, M., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gil, W., Glück, F., Grössle, R., Gumbsheimer, R., Höhn, T., Hannen, V., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Houdy, T., Huber, A., Jansen, A., Köllenberger, L., Karl, C., Kellerer, J., Kippenbrock, L., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Lasserre, T., Le, T. L., Lebeda, O., Lehnert, B., Lokhov, A., Poyato, J. M. Lopez, Müller, K., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Mertens, S., Niemes, S., Oelpmann, P., Osipowicz, A., Parno, D. S., Poon, A. W. P., Priester, F., Röllig, M., Röttele, C., Rest, O., Robertson, R. G. H., Rodenbeck, C., Ryšavý, M., Sack, R., Saenz, A., Schaller, A., Schäfer, P., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schrank, M., Schulz, B., Šefčík, M., Seitz-Moskaliuk, H., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Sturm, M., Sun, M., Telle, H. H., Thümmler, T., Thorne, L. A., Titov, N., Tkachev, I., Trost, N., Vénos, D., Valerius, K., Hernández, A. P. Vizcaya, Wüstling, S., Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Xu, W., Yen, Y. -R., Zadoroghny, S., and Zeller, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract: We report on the data set, data handling, and detailed analysis techniques of the first neutrino-mass measurement by the Karlsruhe Tritium Neutrino (KATRIN) experiment, which probes the absolute neutrino-mass scale via the $\beta$-decay kinematics of molecular tritium. The source is highly pure, cryogenic T$_2$ gas. The $\beta$ electrons are guided along magnetic field lines toward a high-resolution, integrating spectrometer for energy analysis. A silicon detector counts $\beta$ electrons above the energy threshold of the spectrometer, so that a scan of the thresholds produces a precise measurement of the high-energy spectral tail. After detailed theoretical studies, simulations, and commissioning measurements, extending from the molecular final-state distribution to inelastic scattering in the source to subtleties of the electromagnetic fields, our independent, blind analyses allow us to set an upper limit of 1.1 eV on the neutrino-mass scale at a 90\% confidence level. This first result, based on a few weeks of running at a reduced source intensity and dominated by statistical uncertainty, improves on prior limits by nearly a factor of two. This result establishes an analysis framework for future KATRIN measurements, and provides important input to both particle theory and cosmology., Comment: 36 pages with 26 figures. Accepted to Phys. Rev. D
Published: 2021
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13. Bound on 3+1 active-sterile neutrino mixing from the first four-week science run of KATRIN

Author: Aker, M., Altenmueller, K., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Blaum, K., Block, F., Bornschein, B., Bornschein, L., Boettcher, M., Brunst, T., Caldwell, T. S., La Cascio, L., Chilingaryan, S., Choi, W., Barrero, D. Diaz, Debowski, K., Deffert, M., Descher, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, M. Fedkevych A., Formaggio, J. A., Fraenkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gil, W., Glueck, F., Groessle, R., Gumbsheimer, R., Hoehn, T., Hannen, V., Haussmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Houdy, T., Huber, A., Jansen, A., Koellenberger, L., Karl, C., Kellerer, J., Kippenbrock, L., Klein, M., Kopmann, A., Korzeczek, M., Kovalik, A., Krasch, B., Krause, H., Lasserre, T., Le, T. L., Lebeda, O., Guennic, N. Le, Lehnert, B., Lokhov, A., Poyato, J. M. Lopez, Mueller, K., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Mertens, S., Niemes, S., Oelpmann, P., Osipowicz, A., Parno, D. S., Poon, A. W. P., Priester, F., Roellig, M., Roettele, C., Rest, O., Robertson, R. G. H., Rodenbeck, C., Rysavy, M., Sack, R., Saenz, A., Schaller, A., Schaefer, P., Schimpf, L., Schloesser, M., Schloesser, K., Schlueter, L., Schrank, M., Schulz, B., Sefcik, M., Seitz-Moskaliuk, H., Sibille, V., Siegmann, D., Slezak, M., Spanier, F., Steidl, M., Sturm, M., Sun, M., Telle, H. H., Thuemmler, T., Thorne, L. A., Titov, N., Tkachev, I., Trost, N., Venos, D., Valerius, K., Hernandez, A. P. Vizcaya, Wuestling, S., Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Xu, W., Yen, Y. -R., Zadoroghny, S., and Zeller, G.
Subjects: High Energy Physics - Experiment, Nuclear Experiment
Abstract: We report on the light sterile neutrino search from the first four-week science run of the KATRIN experiment in~2019. Beta-decay electrons from a high-purity gaseous molecular tritium source are analyzed by a high-resolution MAC-E filter down to 40 eV below the endpoint at 18.57 keV. We consider the framework with three active neutrinos and one sterile neutrino of mass $m_{4}$. The analysis is sensitive to a fourth mass state $m^2_{4} \lesssim$ 1000 eV$^2$ and to active-to-sterile neutrino mixing down to $|U_{e4}|^2 \gtrsim 2\cdot10^{-2}$. No significant spectral distortion is observed and exclusion bounds on the sterile mass and mixing are reported. These new limits supersede the Mainz results and improve the Troitsk bound for $m^2_{4} <$ 30 eV$^2$. The reactor and gallium anomalies are constrained for $ 100 < \Delta{m}^2_{41} < 1000$ eV$^2$., Comment: 8 pages, 4 figures
Published: 2020
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14. Beta decay of molecular tritium

Author: Lin, Y. -T., Burritt, T. H., Claessens, C., Holman, G., Kallander, M., Machado, E., Minter, L. I., Ostertag, R., Parno, D. S., Pedersen, J., Peterson, D. A., Robertson, R. G. H., Smith, E. B., Van Wechel, T. D., and Hernández, A. P. Vizcaya
Subjects: Nuclear Experiment
Abstract: The beta decay of tritium in the form of molecular TT is the basis of sensitive experiments to measure neutrino mass. The final-state electronic, vibrational, and rotational excitations modify the beta spectrum significantly, and are obtained from theory. We report measurements of the branching ratios to specific ionization states for the isotopolog HT. Two earlier, concordant measurements gave branching ratios of HT to the bound HHe$^+$ ion of 89.5% and 93.2%, in sharp disagreement with the theoretical prediction of 55-57%, raising concerns about the theory's reliability in neutrino mass experiments. Our result, 56.5(6)%, is compatible with the theoretical expectation and disagrees strongly with the previous measurements., Comment: 6 pages, 4 figures (Updated with minor typographical fixes)
Published: 2020
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15. Search for keV-scale sterile neutrinos with the first KATRIN data

Author: Aker, M., Batzler, D., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bobien, S., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Chilingaryan, S., Choi, W., Debowski, K., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gavin, A. S., Gil, W., Glück, F., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kleifges, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., La Cascio, L., Lasserre, T., Le, T. L., Lebeda, O., Lehnert, B., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Mertens, S., Mostafa, J., Müller, K., Neumann, H., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ráliš, J., Ramachandran, S., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Salomon, R., Schäfer, P., Schimpf, L., Schlösser, M., Schlösser, K., Schlüter, L., Schneidewind, S., Schrank, M., Schwemmer, A., Šefǧík, M., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Sturm, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wetter, M., Wiesinger, C., Wilkerson, J. F., Wolf, J., Wüstling, S., Wydra, J., Xu, W., Zadoroghny, S., and Zeller, G.
Published: 2023
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16. Suppression of Penning discharges between the KATRIN spectrometers

Author: Aker, M., Altenmüller, K., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Blaum, K., Block, F., Bobien, S., Bornschein, B., Bornschein, L., Bouquet, H., Brunst, T., Caldwell, T. S., Chilingaryan, S., Choi, W., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Eversheim, D., Fedkevych, M., Felden, A., Formaggio, J. A., Fränkle, F., Franklin, G. B., Frankrone, H., Friedel, F., Fulst, A., Gauda, K., Gil, W., Glück, F., Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Hartmann, J., Haußmann, N., Heizmann, F., Heizmann, J., Helbing, K., Hickford, S., Hillesheimer, D., Hinz, D., Höhn, T., Holzapfel, B., Holzmann, S., Houdy, T., Jansen, A., Karl, C., Kellerer, J., Kernert, N., Kippenbrock, L., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Kuffner, B., Kunka, N., Lasserre, T., La Cascio, L., Lebeda, O., Lehnert, B., Letnev, J., Leven, F., Le, T. L., Lichter, S., Lokhov, A., Machatschek, M., Malcherek, E., Marsteller, A., Martin, E. L., Melzer, C., Menshikov, A., Mertens, S., Monreal, B., Müller, K., Naumann, U., Neumann, H., Niemes, S., Noe, M., Ortjohann, H. -W., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ranitzsch, P. C. -O., Rest, O., Rinderspacher, R., Robertson, R. G. H., Rodenbeck, C., Rohr, P., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schäfer, P., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schrank, M., Schulz, B., Seitz-Moskaliuk, H., Seller, W., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Steven, M., Sturm, M., Suesser, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Xu, W., Yen, Y. -R., Zadoroghny, S., and Zeller, G.
Subjects: Physics - Instrumentation and Detectors
Abstract: The KArlsruhe TRItium Neutrino experiment (KATRIN) aims to determine the effective electron (anti)neutrino mass with a sensitivity of $0.2\textrm{ eV/c}^2$ (90$\%$ C.L.) by precisely measuring the endpoint region of the tritium $\beta$-decay spectrum. It uses a tandem of electrostatic spectrometers working as MAC-E (magnetic adiabatic collimation combined with an electrostatic) filters. In the space between the pre-spectrometer and the main spectrometer, an unavoidable Penning trap is created when the superconducting magnet between the two spectrometers, biased at their respective nominal potentials, is energized. The electrons accumulated in this trap can lead to discharges, which create additional background electrons and endanger the spectrometer and detector section downstream. To counteract this problem, "electron catchers" were installed in the beamline inside the magnet bore between the two spectrometers. These catchers can be moved across the magnetic-flux tube and intercept on a sub-ms time scale the stored electrons along their magnetron motion paths. In this paper, we report on the design and the successful commissioning of the electron catchers and present results on their efficiency in reducing the experimental background., Comment: - 12 pages, 14 figures, LaTeX; typos corrected, references added; precised a few arguments, added additional discussions, results unchanged
Published: 2019
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17. An improved upper limit on the neutrino mass from a direct kinematic method by KATRIN

Author: Aker, M., Altenmüller, K., Arenz, M., Babutzka, M., Barrett, J., Bauer, S., Beck, M., Beglarian, A., Behrens, J., Bergmann, T., Besserer, U., Blaum, K., Block, F., Bobien, S., Bokeloh, K., Bonn, J., Bornschein, B., Bornschein, L., Bouquet, H., Brunst, T., Caldwell, T. S., La Cascio, L., Chilingaryan, S., Choi, W., Corona, T. J., Debowski, K., Deffert, M., Descher, M., Doe, P. J., Dragoun, O., Drexlin, G., Dunmore, J. A., Dyba, S., Edzards, F., Eisenblätter, L., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Felden, A., Fischer, S., Flatt, B., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Frankrone, H., Friedel, F., Fuchs, D., Fulst, A., Furse, D., Gauda, K., Gemmeke, H., Gil, W., Glück, F., Görhardt, S., Groh, S., Grohmann, S., Grössle, R., Gumbsheimer, R., Minh, M. Ha, Hackenjos, M., Hannen, V., Harms, F., Hartmann, J., Haußmann, N., Heizmann, F., Helbing, K., Hickford, S., Hilk, D., Hillen, B., Hillesheimer, D., Hinz, D., Höhn, T., Holzapfel, B., Holzmann, S., Houdy, T., Howe, M. A., Huber, A., Jansen, A., Kaboth, A., Karl, C., Kazachenko, O., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kosmider, A., Kovalí, A., Krasch, B., Kraus, M., Krause, H., Kuckert, L., Kuffner, B., Kunka, N., Lasserre, T., Le, T. L., Lebeda, O., Leber, M., Lehnert, B., Letnev, J., Leven, F., Lichter, S., Lobashev, V. M., Lokhov, A., Machatschek, M., Malcherek, E., Müller, K., Mark, M., Marsteller, A., Martin, E. L., Melzer, C., Menshikov, A., Mertens, S., Minter, L. I., Mirz, S., Monreal, B., Guzman, P. I. Morales, Naumann, U., Ndeke, W., Neumann, H., Niemes, S., Noe, M., Oblath, N. S., Ortjohann, H. -W., Osipowicz, A., Ostrick, B., Otten, E., Parno, D. S., Phillips II, D. G., Plischke, P., Pollithy, A., Poon, A. W. P., Pouryamout, J., Prall, M., Priester, F., Röllig, M., Röttele, C., Ranitzsch, P. C. -O., Rest, O., Rinderspacher, R., Robertson, R. G. H., Rodenbeck, C., Rohr, P., Roll, Ch., Rupp, S., Rysavy, M., Sack, R., Saenz, A., Schäfer, P., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schön, H., Schönung, K., Schrank, M., Schulz, B., Schwarz, J., Seitz-Moskaliuk, H., Seller, W., Sibille, V., Siegmann, D., Skasyrskaya, A., Slezak, M., Spalek, A., Spanier, F., Steidl, M., Steinbrink, N., Sturm, M., Suesser, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thümmler, T., Thorne, L. A., Titov, N., Tkachev, I., Trost, N., Urban, K., Venos, D., Valerius, K., VanDevender, B. A., Vianden, R., Hernandez, A. P. Vizcaya, Wall, B. L., Wüstling, S., Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wierman, K. J., Wilkerson, J. F., Wolf, J., Xu, W., Yen, Y. -R., Zacher, M., Zadorozhny, S., Zboril, M., and Zeller, G.
Subjects: High Energy Physics - Experiment, Astrophysics - Cosmology and Nongalactic Astrophysics, Nuclear Experiment, Physics - Instrumentation and Detectors
Abstract: We report on the neutrino mass measurement result from the first four-week science run of the Karlsruhe Tritium Neutrino experiment KATRIN in spring 2019. Beta-decay electrons from a high-purity gaseous molecular tritium source are energy analyzed by a high-resolution MAC-E filter. A fit of the integrated electron spectrum over a narrow interval around the kinematic endpoint at 18.57 keV gives an effective neutrino mass square value of $(-1.0^{+0.9}_{-1.1})$ eV$^2$. From this we derive an upper limit of 1.1 eV (90$\%$ confidence level) on the absolute mass scale of neutrinos. This value coincides with the KATRIN sensitivity. It improves upon previous mass limits from kinematic measurements by almost a factor of two and provides model-independent input to cosmological studies of structure formation.
Published: 2019
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18. First operation of the KATRIN experiment with tritium

Author: Aker, M., Altenmüller, K., Arenz, M., Baek, W. -J., Barrett, J., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Blaum, K., Block, F., Bobien, S., Bornschein, B., Bornschein, L., Bouquet, H., Brunst, T., Caldwell, T. S., Chilingaryan, S., Choi, W., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Eversheim, D., Fedkevych, M., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Frankrone, H., Friedel, F., Fuchs, D., Fulst, A., Gauda, K., Gil, W., Glück, F., Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Hartmann, J., Haußmann, N., Minh, M. Ha, Heizmann, F., Heizmann, J., Helbing, K., Hickford, S., Hillesheimer, D., Hinz, D., Höhn, T., Holzapfel, B., Holzmann, S., Houdy, T., Howe, M. A., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Kuffner, B., Kunka, N., Lasserre, T., La Cascio, L., Lebeda, O., Lebert, M., Lehnert, B., Letnev, J., Leven, F., Le, T. L., Lichter, S., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Megas, F., Melzer, C., Menshikov, A., Mertens, S., Meier, M., Mirz, S., Monreal, B., Guzmán, P. I. Morales, Müller, K., Naumann, U., Neumann, H., Niemes, S., Noe, M., Off, A., Ortjohann, H. -W., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ranitzsch, P. C. -O., Rest, O., Rinderspacher, R., Robertson, R. G. H., Rodenbeck, C., Rohr, P., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schäfer, P., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schrank, M., Schulz, B., Seitz-Moskaliuk, H., Seller, W., Sibille, V., Siegmann, D., Slezák, M., Spanier, F., Steidl, M., Steven, M., Sturm, M., Suesser, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Urban, K., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Xu, W., Yen, Y. -R., Zadorozhny, S., and Zeller, G.
Subjects: Physics - Instrumentation and Detectors, Astrophysics - Cosmology and Nongalactic Astrophysics, High Energy Physics - Experiment, Nuclear Experiment
Abstract: The determination of the neutrino mass is one of the major challenges in astroparticle physics today. Direct neutrino mass experiments, based solely on the kinematics of beta-decay, provide a largely model-independent probe to the neutrino mass scale. The Karlsruhe Tritium Neutrino (KATRIN) experiment is designed to directly measure the effective electron antineutrino mass with a sensitivity of 0.2 eV 90% CL. In this work we report on the first operation of KATRIN with tritium which took place in 2018. During this commissioning phase of the tritium circulation system, excellent agreement of the theoretical prediction with the recorded spectra was found and stable conditions over a time period of 13 days could be established. These results are an essential prerequisite for the subsequent neutrino mass measurements with KATRIN in 2019.
Published: 2019
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19. High-resolution spectroscopy of gaseous $^\mathrm{83m}$Kr conversion electrons with the KATRIN experiment

Author: Altenmüller, K., Arenz, M., Baek, W. -J., Beck, M., Beglarian, A., Behrens, J., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Block, F., Bobien, S., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Eversheim, D., Fedkevych, M., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gil, W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Hickford, S., Hilk, D., Hillesheimer, D., Hinz, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Off, A., Osipowicz, A., Otten, E., Parno, D. S., Plischke, P., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C. -O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Suesser, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Zadoroghny, S., and Zeller, G.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: In this work, we present the first spectroscopic measurements of conversion electrons originating from the decay of metastable gaseous $^\mathrm{83m}$Kr with the Karlsruhe Tritium Neutrino (KATRIN) experiment. The results obtained in this calibration measurement represent a major commissioning milestone for the upcoming direct neutrino mass measurement with KATRIN. The successful campaign demonstrates the functionalities of the full KATRIN beamline. The KATRIN main spectrometer's excellent energy resolution of ~ 1 eV made it possible to determine the narrow K-32 and L$_3$-32 conversion electron line widths with an unprecedented precision of ~ 1 %., Comment: Fixed affiliation of the corresponding author
Published: 2019
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20. Gamma-induced background in the KATRIN main spectrometer

Author: Altenmüller, K., Arenz, M., Baek, W. -J., Beck, M., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Blaum, K., Block, F., Bobien, S., Bode, T., Bornschein, B., Bornschein, L., Bouquet, H., Brunst, T., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gil, W., Glück, F., Ureña, A. Gonzalez, Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Hillesheimer, D., Howe, M. A., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kernert, N., Kippenbrock, L., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, A., Kraus, M., Lasserre, T., Lebeda, O., Lehnert, B., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C. -O., Rest, O., Robertson, R. G. H., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schrank, M., Seitz-Moskaliuk, H., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Zadoroghny, S., and Zeller, G.
Subjects: Physics - Instrumentation and Detectors
Abstract: The KATRIN experiment aims to measure the effective electron antineutrino mass $m_{\overline{\nu}_e}$ with a sensitivity of 0.2 eV/c$^2$ using a gaseous tritium source combined with the MAC-E filter technique. A low background rate is crucial to achieving the proposed sensitivity, and dedicated measurements have been performed to study possible sources of background electrons. In this work, we test the hypothesis that gamma radiation from external radioactive sources significantly increases the rate of background events created in the main spectrometer (MS) and observed in the focal-plane detector. Using detailed simulations of the gamma flux in the experimental hall, combined with a series of experimental tests that artificially increased or decreased the local gamma flux to the MS, we set an upper limit of 0.006 count/s (90% C.L.) from this mechanism. Our results indicate the effectiveness of the electrostatic and magnetic shielding used to block secondary electrons emitted from the inner surface of the MS.
Published: 2019
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21. The KATRIN Superconducting Magnets: Overview and First Performance Results

Author: Arenz, M., Baek, W. -J., Beck, M., Beglarian, A., Behrens, J., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gil, n W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Off, A., Osipowicz, A., Otten, uE., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C. -O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., and Zadoroghny, S.
Subjects: Physics - Instrumentation and Detectors
Abstract: The KATRIN experiment aims for the determination of the effective electron anti-neutrino mass from the tritium beta-decay with an unprecedented sub-eV sensitivity. The strong magnetic fields, designed for up to 6~T, adiabatically guide $\beta$-electrons from the source to the detector within a magnetic flux of 191~Tcm$^2$. A chain of ten single solenoid magnets and two larger superconducting magnet systems have been designed, constructed, and installed in the 70-m-long KATRIN beam line. The beam diameter for the magnetic flux varies from 0.064~m to 9~m, depending on the magnetic flux density along the beam line. Two transport and tritium pumping sections are assembled with chicane beam tubes to avoid direct "line-of-sight" molecular beaming effect of gaseous tritium molecules into the next beam sections. The sophisticated beam alignment has been successfully cross-checked by electron sources. In addition, magnet safety systems were developed to protect the complex magnet systems against coil quenches or other system failures. The main functionality of the magnet safety systems has been successfully tested with the two large magnet systems. The complete chain of the magnets was operated for several weeks at 70$\%$ of the design fields for the first test measurements with radioactive krypton gas. The stability of the magnetic fields of the source magnets has been shown to be better than 0.01$\%$ per month at 70$\%$ of the design fields. This paper gives an overview of the KATRIN superconducting magnets and reports on the first performance results of the magnets.
Published: 2018
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22. Muon-induced background in the KATRIN main spectrometer

Author: Altenmüller, K., Arenz, M., Baek, W. -J., Beck, M., Beglarian, A., Behrens, J., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bobien, S., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gil, W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Hillesheimer, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Leiber, B., Letnev, J., Linek, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Off, A., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C. -O., Rest, O., Rink, R., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Rovedo, P., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Suesser, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Wandkowsky, N., Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Zadoroghny, S., and Zeller, G.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: The KArlsruhe TRItium Neutrino (KATRIN) experiment aims to make a model-independent determination of the effective electron antineutrino mass with a sensitivity of 0.2 eV/c$^{2}$. It investigates the kinematics of $\beta$-particles from tritium $\beta$-decay close to the endpoint of the energy spectrum. Because the KATRIN main spectrometer (MS) is located above ground, muon-induced backgrounds are of particular concern. Coincidence measurements with the MS and a scintillator-based muon detector system confirmed the model of secondary electron production by cosmic-ray muons inside the MS. Correlation measurements with the same setup showed that about $12\%$ of secondary electrons emitted from the inner surface are induced by cosmic-ray muons, with approximately one secondary electron produced for every 17 muon crossings. However, the magnetic and electrostatic shielding of the MS is able to efficiently suppress these electrons, and we find that muons are responsible for less than $17\%$ ($90\%$ confidence level) of the overall MS background.
Published: 2018
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23. Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment

Author: KATRIN Collaboration, Arenz, M., Baek, W. -J., Bauer, S., Beck, M., Beglarian, A., Behrens, J., Berendes, R., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buglak, W., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Furse, D., Gil, W., Glück, F., Urena, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Off, A., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C. -O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Wandkowsky, N., Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., and Zadoroghny, S.
Subjects: Physics - Instrumentation and Detectors
Abstract: The KATRIN experiment aims to determine the effective electron neutrino mass with a sensitivity of $0.2\,{\text{eV}/c^2}$ (90\% C.L.) by precision measurement of the shape of the tritium \textbeta-spectrum in the endpoint region. The energy analysis of the decay electrons is achieved by a MAC-E filter spectrometer. A common background source in this setup is the decay of short-lived isotopes, such as $\textsuperscript{219}$Rn and $\textsuperscript{220}$Rn, in the spectrometer volume. Active and passive countermeasures have been implemented and tested at the KATRIN main spectrometer. One of these is the magnetic pulse method, which employs the existing air coil system to reduce the magnetic guiding field in the spectrometer on a short timescale in order to remove low- and high-energy stored electrons. Here we describe the working principle of this method and present results from commissioning measurements at the main spectrometer. Simulations with the particle-tracking software Kassiopeia were carried out to gain a detailed understanding of the electron storage conditions and removal processes., Comment: 16 pages, 9 figures, 4 tables
Published: 2018
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24. Calibration of high voltages at the ppm level by the difference of $^{83\mathrm{m}}$Kr conversion electron lines at the KATRIN experiment

Author: Arenz, M., Baek, W. -J., Beck, M., Beglarian, A., Behrens, J., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Fischer, S., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gil, W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Hillesheimer, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Off, A., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C. -O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Suesser, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., and Zadoroghny, S.
Subjects: Physics - Instrumentation and Detectors
Abstract: The neutrino mass experiment KATRIN requires a stability of 3 ppm for the retarding potential at -18.6 kV of the main spectrometer. To monitor the stability, two custom-made ultra-precise high-voltage dividers were developed and built in cooperation with the German national metrology institute Physikalisch-Technische Bundesanstalt (PTB). Until now, regular absolute calibration of the voltage dividers required bringing the equipment to the specialised metrology laboratory. Here we present a new method based on measuring the energy difference of two $^{83\mathrm{m}}$Kr conversion electron lines with the KATRIN setup, which was demonstrated during KATRIN's commissioning measurements in July 2017. The measured scale factor $M=1972.449(10)$ of the high-voltage divider K35 is in agreement with the last PTB calibration four years ago. This result demonstrates the utility of the calibration method, as well as the long-term stability of the voltage divider., Comment: 7 pages, 5 figures
Published: 2018
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25. First transmission of electrons and ions through the KATRIN beamline

Author: Arenz, M., Baek, W. -J., Beck, M., Beglarian, A., Behrens, J., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Fischer, S., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gil, W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Hillesheimer, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Naumann, U., Neumann, H., Niemes, S., Off, A., Ortjohann, H. -W., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C. -O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Suesser, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., and Zadoroghny, S.
Subjects: Physics - Instrumentation and Detectors, Nuclear Experiment
Abstract: The Karlsruhe Tritium Neutrino (KATRIN) experiment is a large-scale effort to probe the absolute neutrino mass scale with a sensitivity of 0.2 eV (90% confidence level), via a precise measurement of the endpoint spectrum of tritium beta decay. This work documents several KATRIN commissioning milestones: the complete assembly of the experimental beamline, the successful transmission of electrons from three sources through the beamline to the primary detector, and tests of ion transport and retention. In the First Light commissioning campaign of Autumn 2016, photoelectrons were generated at the rear wall and ions were created by a dedicated ion source attached to the rear section; in July 2017, gaseous Kr-83m was injected into the KATRIN source section, and a condensed Kr-83m source was deployed in the transport section. In this paper we describe the technical details of the apparatus and the configuration for each measurement, and give first results on source and system performance. We have successfully achieved transmission from all four sources, established system stability, and characterized many aspects of the apparatus., Comment: Minor updates; as published in JINST
Published: 2018
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26. Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment

Author: Arenz, M., Baek, W.-J., Bauer, S., Beck, M., Beglarian, A., Behrens, J., Berendes, R., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buglak, W., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Furse, D., Gil, W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Off, A., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C.-O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Wandkowsky, N., Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., and Zadoroghny, S.
Published: 2018
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27. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

Author: Aker, M., primary, Beglarian, A., additional, Behrens, J., additional, Berlev, A., additional, Besserer, U., additional, Bieringer, B., additional, Block, F., additional, Bornschein, B., additional, Bornschein, L., additional, Böttcher, M., additional, Brunst, T., additional, Caldwell, T. S., additional, Carney, R. M. D., additional, Chilingaryan, S., additional, Choi, W., additional, Debowski, K., additional, Deffert, M., additional, Descher, M., additional, Barrero, D. Díaz, additional, Doe, P. J., additional, Dragoun, O., additional, Drexlin, G., additional, Edzards, F., additional, Eitel, K., additional, Ellinger, E., additional, Miniawy, A. El, additional, Engel, R., additional, Enomoto, S., additional, Felden, A., additional, Formaggio, J. A., additional, Fränkle, F. M., additional, Franklin, G. B., additional, Friedel, F., additional, Fulst, A., additional, Gauda, K., additional, Gil, W., additional, Glück, F., additional, Groh, S., additional, Grössle, R., additional, Gumbsheimer, R., additional, Hannen, V., additional, Haußmann, N., additional, Heizmann, F., additional, Helbing, K., additional, Hickford, S., additional, Hiller, R., additional, Hillesheimer, D., additional, Hinz, D., additional, Höhn, T., additional, Houdy, T., additional, Huber, A., additional, Jansen, A., additional, Karl, C., additional, Kellerer, J., additional, Kleesiek, M., additional, Klein, M., additional, Köhler, C., additional, Köllenberger, L., additional, Kopmann, A., additional, Korzeczek, M., additional, Kovalík, A., additional, Krasch, B., additional, Krause, H., additional, Kunka, N., additional, Lasserre, T., additional, La Cascio, L., additional, Lebeda, O., additional, Lehnert, B., additional, Le, T. L., additional, Lokhov, A., additional, Machatschek, M., additional, Malcherek, E., additional, Mark, M., additional, Marsteller, A., additional, Martin, E. L., additional, Meier, M., additional, Melzer, C., additional, Menshikov, A., additional, Mertens, S., additional, Mostafa, J., additional, Müller, K., additional, Niemes, S., additional, Oelpmann, P., additional, Parno, D. S., additional, Poon, A. W. P., additional, Poyato, J. M. L., additional, Priester, F., additional, Ranitzsch, P. C.-O., additional, Robertson, R. G. H., additional, Rodejohann, W., additional, Rodenbeck, C., additional, Röllig, M., additional, Röttele, C., additional, Ryšavý, M., additional, Sack, R., additional, Saenz, A., additional, Schäfer, P., additional, Schaller, A., additional, Schimpf, L., additional, Schlösser, K., additional, Schlösser, M., additional, Schlüter, L., additional, Schneidewind, S., additional, Schrank, M., additional, Schulz, B., additional, Schwachtgen, C., additional, Šefčík, M., additional, Seitz-Moskaliuk, H., additional, Sibille, V., additional, Siegmann, D., additional, Slezák, M., additional, Steidl, M., additional, Sturm, M., additional, Sun, M., additional, Tcherniakhovski, D., additional, Telle, H. H., additional, Thorne, L. A., additional, Thümmler, T., additional, Titov, N., additional, Tkachev, I., additional, Trost, N., additional, Urban, K., additional, Valerius, K., additional, Vénos, D., additional, Hernández, A. P. Vizcaya, additional, Weinheimer, C., additional, Welte, S., additional, Wendel, J., additional, Wilkerson, J. F., additional, Wolf, J., additional, Wüstling, S., additional, Xu, W., additional, Yen, Y.-R., additional, Zadoroghny, S., additional, and Zeller, G., additional
Published: 2021
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28. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

Author: KATRIN Collaboration, Aker, M., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., Chilingaryan, S., Choi, W., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Miniawy, A. El, Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gil, W., Glück, F., Groh, S., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Heizmann, F., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kleesiek, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Kunka, N., Lasserre, T., La Cascio, L., Lebeda, O., Lehnert, B., Le, T. L., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Meier, M., Melzer, C., Menshikov, A., Mertens, S., Mostafa, J., Müller, K., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ranitzsch, P. C.-O., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schäfer, P., Schaller, A., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schneidewind, S., Schrank, M., Schulz, B., Schwachtgen, C., Šefčík, M., Seitz-Moskaliuk, H., Sibille, V., Siegmann, D., Slezák, M., Steidl, M., Sturm, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Xu, W., Yen, Y.-R., Zadoroghny, S., and Zeller, G.
Subjects: Physics, ddc:530
Published: 2021

29. High-resolution spectroscopy of gaseous 83mKr conversion electrons with the KATRIN experiment

Author: Altenmüller, K, primary, Arenz, M, additional, Baek, W-J, additional, Beck, M, additional, Beglarian, A, additional, Behrens, J, additional, Bergmann, T, additional, Berlev, A, additional, Besserer, U, additional, Blaum, K, additional, Block, F, additional, Bobien, S, additional, Bode, T, additional, Bornschein, B, additional, Bornschein, L, additional, Brunst, T, additional, Buzinsky, N, additional, Chilingaryan, S, additional, Choi, W Q, additional, Deffert, M, additional, Doe, P J, additional, Dragoun, O, additional, Drexlin, G, additional, Dyba, S, additional, Edzards, F, additional, Eitel, K, additional, Ellinger, E, additional, Engel, R, additional, Enomoto, S, additional, Eversheim, D, additional, Fedkevych, M, additional, Formaggio, J A, additional, Fränkle, F M, additional, Franklin, G B, additional, Friedel, F, additional, Fulst, A, additional, Gil, W, additional, Glück, F, additional, Ureña, A Gonzalez, additional, Grohmann, S, additional, Grössle, R, additional, Gumbsheimer, R, additional, Hackenjos, M, additional, Hannen, V, additional, Harms, F, additional, Haußmann, N, additional, Heizmann, F, additional, Helbing, K, additional, Hickford, S, additional, Hilk, D, additional, Hillesheimer, D, additional, Hinz, D, additional, Howe, M A, additional, Huber, A, additional, Jansen, A, additional, Kellerer, J, additional, Kernert, N, additional, Kippenbrock, L, additional, Klein, M, additional, Kopmann, A, additional, Korzeczek, M, additional, Kovalík, A, additional, Krasch, B, additional, Kraus, M, additional, Lasserre, T, additional, Lebeda, O, additional, Letnev, J, additional, Lokhov, A, additional, Machatschek, M, additional, Marsteller, A, additional, Martin, E L, additional, Mertens, S, additional, Mirz, S, additional, Monreal, B, additional, Neumann, H, additional, Niemes, S, additional, Off, A, additional, Osipowicz, A, additional, Otten, E, additional, Parno, D S, additional, Plischke, P, additional, Pollithy, A, additional, Poon, A W P, additional, Priester, F, additional, C-O Ranitzsch, P, additional, Rest, O, additional, Robertson, R G H, additional, Roccati, F, additional, Rodenbeck, C, additional, Röllig, M, additional, Röttele, C, additional, Ryšavý, M, additional, Sack, R, additional, Saenz, A, additional, Schimpf, L, additional, Schlösser, K, additional, Schlösser, M, additional, Schönung, K, additional, Schrank, M, additional, Seitz-Moskaliuk, H, additional, Sentkerestiová, J, additional, Sibille, V, additional, Slezák, M, additional, Steidl, M, additional, Steinbrink, N, additional, Sturm, M, additional, Suchopar, M, additional, Suesser, M, additional, Telle, H H, additional, Thorne, L A, additional, Thümmler, T, additional, Titov, N, additional, Tkachev, I, additional, Trost, N, additional, Valerius, K, additional, Vénos, D, additional, Vianden, R, additional, Hernández, A P Vizcaya, additional, Weber, M, additional, Weinheimer, C, additional, Welte, S, additional, Wendel, J, additional, Wilkerson, J F, additional, Wolf, J, additional, Wüstling, S, additional, Zadoroghny, S, additional, and Zeller, G, additional
Published: 2020
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30. First transmission of electrons and ions through the KATRIN beamline

Author: KATRIN Collaboration, Arenz, M., Baek, W.-J., Beck, M., Beglarian, A., Behrens, J., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Fischer, S., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gil, W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Hillesheimer, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Naumann, U., Neumann, H., Niemes, S., Off, A., Ortjohann, H.-W., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C.-O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Suesser, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., and Zadoroghny, S.
Subjects: Ion sources (positive ions, architecture, Spectrometers, Physics, Beam-line instrumentation (beam position and profile monitors, Detector control systems (detector and experiment monitoring and slow-control systems, negative ions, electron beam (EBIS)), algorithms, beamintensity monitors, bunch length monitors), hardware, ddc:530, electron cyclotron resonance (ECR), databases)
Abstract: The Karlsruhe Tritium Neutrino (KATRIN) experiment is a large-scale effort to probe the absolute neutrino mass scale with a sensitivity of 0.2 eV (90% confidence level), via a precise measurement of the endpoint spectrum of tritium ß-decay. This work documents several KATRIN commissioning milestones: the complete assembly of the experimental beamline, the successful transmission of electrons from three sources through the beamline to the primary detector, and tests of ion transport and retention. In the First Light commissioning campaign of autumn 2016, photoelectrons were generated at the rear wall and ions were created by a dedicated ion source attached to the rear section; in July 2017, gaseous 83mKr was injected into the KATRIN source section, and a condensed 83mKr source was deployed in the transport section. In this paper we describe the technical details of the apparatus and the configuration for each measurement, and give first results on source and system performance. We have successfully achieved transmission from all four sources, established system stability, and characterized many aspects of the apparatus.
Published: 2018

31. Gamma-induced background in the KATRIN main spectrometer

Author: Altenmüller, K., primary, Arenz, M., additional, Baek, W.-J., additional, Beck, M., additional, Beglarian, A., additional, Behrens, J., additional, Berlev, A., additional, Besserer, U., additional, Blaum, K., additional, Block, F., additional, Bobien, S., additional, Bode, T., additional, Bornschein, B., additional, Bornschein, L., additional, Bouquet, H., additional, Brunst, T., additional, Buzinsky, N., additional, Chilingaryan, S., additional, Choi, W. Q., additional, Deffert, M., additional, Doe, P. J., additional, Dragoun, O., additional, Drexlin, G., additional, Dyba, S., additional, Eitel, K., additional, Ellinger, E., additional, Engel, R., additional, Enomoto, S., additional, Erhard, M., additional, Eversheim, D., additional, Fedkevych, M., additional, Formaggio, J. A., additional, Fränkle, F. M., additional, Franklin, G. B., additional, Friedel, F., additional, Fulst, A., additional, Gil, W., additional, Glück, F., additional, Ureña, A. Gonzalez, additional, Grössle, R., additional, Gumbsheimer, R., additional, Hackenjos, M., additional, Hannen, V., additional, Harms, F., additional, Haußmann, N., additional, Heizmann, F., additional, Helbing, K., additional, Herz, W., additional, Hickford, S., additional, Hilk, D., additional, Hillesheimer, D., additional, Howe, M. A., additional, Huber, A., additional, Jansen, A., additional, Karl, C., additional, Kellerer, J., additional, Kernert, N., additional, Kippenbrock, L., additional, Klein, M., additional, Kopmann, A., additional, Korzeczek, M., additional, Kovalík, A., additional, Krasch, B., additional, Kraus, A., additional, Kraus, M., additional, Lasserre, T., additional, Lebeda, O., additional, Lehnert, B., additional, Letnev, J., additional, Lokhov, A., additional, Machatschek, M., additional, Marsteller, A., additional, Martin, E. L., additional, Mertens, S., additional, Mirz, S., additional, Monreal, B., additional, Neumann, H., additional, Niemes, S., additional, Osipowicz, A., additional, Otten, E., additional, Parno, D. S., additional, Pollithy, A., additional, Poon, A. W. P., additional, Priester, F., additional, Ranitzsch, P. C.-O., additional, Rest, O., additional, Robertson, R. G. H., additional, Rodenbeck, C., additional, Röllig, M., additional, Röttele, C., additional, Ryšavý, M., additional, Sack, R., additional, Saenz, A., additional, Schimpf, L., additional, Schlösser, K., additional, Schlösser, M., additional, Schlüter, L., additional, Schrank, M., additional, Seitz-Moskaliuk, H., additional, Sibille, V., additional, Slezák, M., additional, Steidl, M., additional, Steinbrink, N., additional, Sturm, M., additional, Suchopar, M., additional, Tcherniakhovski, D., additional, Telle, H. H., additional, Thorne, L. A., additional, Thümmler, T., additional, Titov, N., additional, Tkachev, I., additional, Trost, N., additional, Valerius, K., additional, Vénos, D., additional, Vianden, R., additional, Hernández, A. P. Vizcaya, additional, Weber, M., additional, Weinheimer, C., additional, Weiss, C., additional, Welte, S., additional, Wendel, J., additional, Wilkerson, J. F., additional, Wolf, J., additional, Wüstling, S., additional, Zadoroghny, S., additional, and Zeller, G., additional
Published: 2019
Full Text: View/download PDF

32. Calibration of high voltages at the ppm level by the difference of $$^{83{\mathrm{m}}}$$Kr conversion electron lines at the KATRIN experiment

Author: Arenz, M., primary, Baek, W.-J., additional, Beck, M., additional, Beglarian, A., additional, Behrens, J., additional, Bergmann, T., additional, Berlev, A., additional, Besserer, U., additional, Blaum, K., additional, Bode, T., additional, Bornschein, B., additional, Bornschein, L., additional, Brunst, T., additional, Buzinsky, N., additional, Chilingaryan, S., additional, Choi, W. Q., additional, Deffert, M., additional, Doe, P. J., additional, Dragoun, O., additional, Drexlin, G., additional, Dyba, S., additional, Edzards, F., additional, Eitel, K., additional, Ellinger, E., additional, Engel, R., additional, Enomoto, S., additional, Erhard, M., additional, Eversheim, D., additional, Fedkevych, M., additional, Fischer, S., additional, Formaggio, J. A., additional, Fränkle, F. M., additional, Franklin, G. B., additional, Friedel, F., additional, Fulst, A., additional, Gil, W., additional, Glück, F., additional, Ureña, A. Gonzalez, additional, Grohmann, S., additional, Grössle, R., additional, Gumbsheimer, R., additional, Hackenjos, M., additional, Hannen, V., additional, Harms, F., additional, Haußmann, N., additional, Heizmann, F., additional, Helbing, K., additional, Herz, W., additional, Hickford, S., additional, Hilk, D., additional, Hillesheimer, D., additional, Howe, M. A., additional, Huber, A., additional, Jansen, A., additional, Kellerer, J., additional, Kernert, N., additional, Kippenbrock, L., additional, Kleesiek, M., additional, Klein, M., additional, Kopmann, A., additional, Korzeczek, M., additional, Kovalík, A., additional, Krasch, B., additional, Kraus, M., additional, Kuckert, L., additional, Lasserre, T., additional, Lebeda, O., additional, Letnev, J., additional, Lokhov, A., additional, Machatschek, M., additional, Marsteller, A., additional, Martin, E. L., additional, Mertens, S., additional, Mirz, S., additional, Monreal, B., additional, Neumann, H., additional, Niemes, S., additional, Off, A., additional, Osipowicz, A., additional, Otten, E., additional, Parno, D. S., additional, Pollithy, A., additional, Poon, A. W. P., additional, Priester, F., additional, Ranitzsch, P. C.-O., additional, Rest, O., additional, Robertson, R. G. H., additional, Roccati, F., additional, Rodenbeck, C., additional, Röllig, M., additional, Röttele, C., additional, Ryšavý, M., additional, Sack, R., additional, Saenz, A., additional, Schimpf, L., additional, Schlösser, K., additional, Schlösser, M., additional, Schönung, K., additional, Schrank, M., additional, Seitz-Moskaliuk, H., additional, Sentkerestiová, J., additional, Sibille, V., additional, Slezák, M., additional, Steidl, M., additional, Steinbrink, N., additional, Sturm, M., additional, Suchopar, M., additional, Suesser, M., additional, Telle, H. H., additional, Thorne, L. A., additional, Thümmler, T., additional, Titov, N., additional, Tkachev, I., additional, Trost, N., additional, Valerius, K., additional, Vénos, D., additional, Vianden, R., additional, Hernández, A. P. Vizcaya, additional, Weber, M., additional, Weinheimer, C., additional, Weiss, C., additional, Welte, S., additional, Wendel, J., additional, Wilkerson, J. F., additional, Wolf, J., additional, Wüstling, S., additional, and Zadoroghny, S., additional
Published: 2018
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33. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

Author: KATRIN Collaboration, Aker, M., Beglarian, A., Behrens, J., Berlev, A., Besserer, U., Bieringer, B., Block, F., Bornschein, B., Bornschein, L., Böttcher, M., Brunst, T., Caldwell, T. S., Carney, R. M. D., Chilingaryan, S., Choi, W., Debowski, K., Deffert, M., Descher, M., Barrero, D. Díaz, Doe, P. J., Dragoun, O., Drexlin, G., Edzards, F., Eitel, K., Ellinger, E., Miniawy, A. El, Engel, R., Enomoto, S., Felden, A., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Gauda, K., Gil, W., Glück, F., Groh, S., Grössle, R., Gumbsheimer, R., Hannen, V., Haußmann, N., Heizmann, F., Helbing, K., Hickford, S., Hiller, R., Hillesheimer, D., Hinz, D., Höhn, T., Houdy, T., Huber, A., Jansen, A., Karl, C., Kellerer, J., Kleesiek, M., Klein, M., Köhler, C., Köllenberger, L., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Krause, H., Kunka, N., Lasserre, T., La Cascio, L., Lebeda, O., Lehnert, B., Le, T. L., Lokhov, A., Machatschek, M., Malcherek, E., Mark, M., Marsteller, A., Martin, E. L., Meier, M., Melzer, C., Menshikov, A., Mertens, S., Mostafa, J., Müller, K., Niemes, S., Oelpmann, P., Parno, D. S., Poon, A. W. P., Poyato, J. M. L., Priester, F., Ranitzsch, P. C.-O., Robertson, R. G. H., Rodejohann, W., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schäfer, P., Schaller, A., Schimpf, L., Schlösser, K., Schlösser, M., Schlüter, L., Schneidewind, S., Schrank, M., Schulz, B., Schwachtgen, C., Šefčík, M., Seitz-Moskaliuk, H., Sibille, V., Siegmann, D., Slezák, M., Steidl, M., Sturm, M., Sun, M., Tcherniakhovski, D., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Urban, K., Valerius, K., Vénos, D., Hernández, A. P. Vizcaya, Weinheimer, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., Xu, W., Yen, Y.-R., Zadoroghny, S., and Zeller, G.
Subjects: 7. Clean energy

34. High-resolution spectroscopy of gaseous $^{83m}$Kr conversion electrons with the KATRIN experiment

Author: Altenmüller, K, Arenz, M, Baek, W-J, Beck, M, Beglarian, A, Behrens, J, Bergmann, T, Berlev, A, Besserer, U, Blaum, K, Block, F, Bobien, S, Bode, T, Bornschein, B, Bornschein, L, Brunst, T, Buzinsky, N, Chilingaryan, S, Choi, W Q, Deffert, M, Doe, P J, Dragoun, O, Drexlin, G, Dyba, S, Edzards, F, Eitel, K, Ellinger, E, Engel, R, Enomoto, S, Eversheim, D, Fedkevych, M, Formaggio, J A, Fränkle, F M, Franklin, G B, Friedel, F, Fulst, A, Gil, W, Glück, F, Ureña, A Gonzalez, Grohmann, S, Grössle, R, Gumbsheimer, R, Hackenjos, M, Hannen, V, Harms, F, Haußmann, N, Heizmann, F, Helbing, K, Hickford, S, Hilk, D, Hillesheimer, D, Hinz, D, Howe, M A, Huber, A, Jansen, A, Kellerer, J, Kernert, N, Kippenbrock, L, Klein, M, Kopmann, A, Korzeczek, M, Kovalík, A, Krasch, B, Kraus, M, Lasserre, T, Lebeda, O, Letnev, J, Lokhov, A, Machatschek, M, Marsteller, A, Martin, E L, Mertens, S, Mirz, S, Monreal, B, Neumann, H, Niemes, S, Off, A, Osipowicz, A, Otten, E, Parno, D S, Plischke, P, Pollithy, A, Poon, A W P, Priester, F, C-O Ranitzsch, P, Rest, O, Robertson, R G H, Roccati, F, Rodenbeck, C, Röllig, M, Röttele, C, Ryšavý, M, Sack, R, Saenz, A, Schimpf, L, Schlösser, K, Schlösser, M, Schönung, K, Schrank, M, Seitz-Moskaliuk, H, Sentkerestiová, J, Sibille, V, Slezák, M, Steidl, M, Steinbrink, N, Sturm, M, Suchopar, M, Suesser, M, Telle, H H, Thorne, L A, Thümmler, T, Titov, N, Tkachev, I, Trost, N, Valerius, K, Vénos, D, Vianden, R, Hernández, A P Vizcaya, Weber, M, Weinheimer, C, Welte, S, Wendel, J, Wilkerson, J F, Wolf, J, Wüstling, S, Zadoroghny, S, and Zeller, G
Subjects: electrostatic spectrometer, conversion electrons, calibration, 7. Clean energy, neutrino mass, 3. Good health
Abstract: In this work, we present the first spectroscopic measurements of conversion electrons originating fromthe decay ofmetastable gaseous $^{83m}$Kr with the Karlsruhe Tritium Neutrino (KATRIN) experiment. The obtained results represent one of the major commissioning milestones for the subsequent direct neutrino mass measurement with KATRIN. The successful campaign demonstrates the functionalities of the KATRINbeamline. Precisemeasurement of the narrowK- 32, L$_{3}$-32, and N$_{2,3}$-32 conversion electron lines allowed to verify the eV-scale energy resolution of the KATRIN main spectrometer necessary for competitive measurement of the absolute neutrino mass scale.

35. Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment

Author: Arenz, M., Baek, W.-J., Bauer, S., Beck, M., Beglarian, A., Behrens, J., Berendes, R., Bergmann, T., Berlev, A., Besserer, U., Blaum, K., Bode, T., Bornschein, B., Bornschein, L., Brunst, T., Buglak, W., Buzinsky, N., Chilingaryan, S., Choi, W. Q., Deffert, M., Doe, P. J., Dragoun, O., Drexlin, G., Dyba, S., Edzards, F., Eitel, K., Ellinger, E., Engel, R., Enomoto, S., Erhard, M., Eversheim, D., Fedkevych, M., Formaggio, J. A., Fränkle, F. M., Franklin, G. B., Friedel, F., Fulst, A., Furse, D., Gil, W., Glück, F., Ureña, A. Gonzalez, Grohmann, S., Grössle, R., Gumbsheimer, R., Hackenjos, M., Hannen, V., Harms, F., Haußmann, N., Heizmann, F., Helbing, K., Herz, W., Hickford, S., Hilk, D., Howe, M. A., Huber, A., Jansen, A., Kellerer, J., Kernert, N., Kippenbrock, L., Kleesiek, M., Klein, M., Kopmann, A., Korzeczek, M., Kovalík, A., Krasch, B., Kraus, M., Kuckert, L., Lasserre, T., Lebeda, O., Letnev, J., Lokhov, A., Machatschek, M., Marsteller, A., Martin, E. L., Mertens, S., Mirz, S., Monreal, B., Neumann, H., Niemes, S., Off, A., Osipowicz, A., Otten, E., Parno, D. S., Pollithy, A., Poon, A. W. P., Priester, F., Ranitzsch, P. C.-O., Rest, O., Robertson, R. G. H., Roccati, F., Rodenbeck, C., Röllig, M., Röttele, C., Ryšavý, M., Sack, R., Saenz, A., Schimpf, L., Schlösser, K., Schlösser, M., Schönung, K., Schrank, M., Seitz-Moskaliuk, H., Sentkerestiová, J., Sibille, V., Slezák, M., Steidl, M., Steinbrink, N., Sturm, M., Suchopar, M., Telle, H. H., Thorne, L. A., Thümmler, T., Titov, N., Tkachev, I., Trost, N., Valerius, K., Vénos, D., Vianden, R., Hernández, A. P. Vizcaya, Wandkowsky, N., Weber, M., Weinheimer, C., Weiss, C., Welte, S., Wendel, J., Wilkerson, J. F., Wolf, J., Wüstling, S., and Zadoroghny, S.
Subjects: Physics::Instrumentation and Detectors, 13. Climate action
Abstract: The KATRIN experiment aims to determine the effective electron neutrino mass with a sensitivity of 0.2 eV/c2 (%90 CL) by precision measurement of the shape of the tritium β-spectrum in the endpoint region. The energy analysis of the decay electrons is achieved by a MAC-E filter spectrometer. A common background source in this setup is the decay of short-lived isotopes, such as 219Rn and 220Rn, in the spectrometer volume. Active and passive countermeasures have been implemented and tested at the KATRIN main spectrometer. One of these is the magnetic pulse method, which employs the existing air coil system to reduce the magnetic guiding field in the spectrometer on a short timescale in order to remove low- and high-energy stored electrons. Here we describe the working principle of this method and present results from commissioning measurements at the main spectrometer. Simulations with the particle-tracking software Kassiopeia were carried out to gain a detailed understanding of the electron storage conditions and removal processes.

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35 results on '"Hernández, A. P. Vizcaya"'

1. The hypothetical track-length fitting algorithm for energy measurement in liquid argon TPCs

2. DUNE Phase II: Scientific Opportunities, Detector Concepts, Technological Solutions

3. First Measurement of the Total Inelastic Cross-Section of Positively-Charged Kaons on Argon at Energies Between 5.0 and 7.5 GeV

4. Search for keV-scale Sterile Neutrinos with first KATRIN Data

5. Search for Lorentz-Invariance Violation with the first KATRIN data

6. KATRIN: Status and Prospects for the Neutrino Mass and Beyond

7. New Constraint on the Local Relic Neutrino Background Overdensity with the First KATRIN Data Runs

8. Improved eV-scale Sterile-Neutrino Constraints from the Second KATRIN Measurement Campaign

9. First direct neutrino-mass measurement with sub-eV sensitivity

10. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

11. The Design, Construction, and Commissioning of the KATRIN Experiment

12. Analysis methods for the first KATRIN neutrino-mass measurement

13. Bound on 3+1 active-sterile neutrino mixing from the first four-week science run of KATRIN

14. Beta decay of molecular tritium

15. Search for keV-scale sterile neutrinos with the first KATRIN data

16. Suppression of Penning discharges between the KATRIN spectrometers

17. An improved upper limit on the neutrino mass from a direct kinematic method by KATRIN

18. First operation of the KATRIN experiment with tritium

19. High-resolution spectroscopy of gaseous $^\mathrm{83m}$Kr conversion electrons with the KATRIN experiment

20. Gamma-induced background in the KATRIN main spectrometer

21. The KATRIN Superconducting Magnets: Overview and First Performance Results

22. Muon-induced background in the KATRIN main spectrometer

23. Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment

24. Calibration of high voltages at the ppm level by the difference of $^{83\mathrm{m}}$Kr conversion electron lines at the KATRIN experiment

25. First transmission of electrons and ions through the KATRIN beamline

26. Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment

27. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

28. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

29. High-resolution spectroscopy of gaseous 83mKr conversion electrons with the KATRIN experiment

30. First transmission of electrons and ions through the KATRIN beamline

31. Gamma-induced background in the KATRIN main spectrometer

32. Calibration of high voltages at the ppm level by the difference of $$^{83{\mathrm{m}}}$$Kr conversion electron lines at the KATRIN experiment

33. Precision measurement of the electron energy-loss function in tritium and deuterium gas for the KATRIN experiment

34. High-resolution spectroscopy of gaseous $^{83m}$Kr conversion electrons with the KATRIN experiment

35. Reduction of stored-particle background by a magnetic pulse method at the KATRIN experiment

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35 results on '"Hernández, A. P. Vizcaya"'

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