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1. Les Houches 2023: Physics at TeV Colliders: Standard Model Working Group Report

Author: Andersen, J., Assi, B., Asteriadis, K., Azzurri, P., Barone, G., Behring, A., Benecke, A., Bhattacharya, S., Bothmann, E., Caletti, S., Chen, X., Chiesa, M., Cooper-Sarkar, A., Cridge, T., Gomez, A. Cueto, Datta, S., Dhani, P. K., Donega, M., Engel, T., Ravasio, S. Ferrario, Forte, S., Francavilla, P., Garzelli, M. V., Ghira, A., Ghosh, A., Giuli, F., Gouskos, L., Gras, P., Gütschow, C., Haddad, Y., Harland-Lang, L., Hekhorn, F., Helenius, I., Hinzmann, A., Höche, S., Holguin, J., Huss, A., Huston, J., Ježo, T., Jones, S., Kiebacher, S., Knobbe, M., Kogler, R., Köneke, K., Kunz, L., LeBlanc, M., Loch, P., Centeno, G. Loeschcke, Löschner, M., Maas, A., Magni, G., Maier, A., Marcoli, M., Marzani, S., McFayden, J., Meinzinger, P., Mikuni, V., Moch, S., Nadolsky, P., Napoletano, D., Pellen, M., Plätzer, S., Poncelet, R., Preuss, C., Qu, H., Rabbertz, K., Reichelt, D., Rescia, A., Roloff, J., Röntsch, R., Cruz, S. Sanchez, Sarkar, T., Scyboz, L., Sforza, F., Siódmok, A., Stagnitto, G., Tarek, A., Thorne, R. S., Valassi, A., Whitehead, J., Winter, J., Delaunay, C., Herrmann, B., and Re, E.
Subjects: High Energy Physics - Phenomenology
Abstract: This report presents a short summary of the activities of the "Standard Model" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 12-30 June, 2023)., Comment: Proceedings of the Standard Model Working Group of the 2023 Les Houches Workshop, Physics at TeV Colliders, Les Houches 12-30 June 2023. 48 pages
Published: 2024

2. Snowmass 2021 White Paper: Electron Ion Collider for High Energy Physics

Author: Khalek, R. Abdul, D'Alesio, U., Arratia, M., Bacchetta, A., Battaglieri, M., Begel, M., Boglione, M., Boughezal, R., Boussarie, R., Bozzi, G., Chekanov, S. V., Celiberto, F. G., Chirilli, G., Cridge, T., Cruz-Torres, R., Corliss, R., Cotton, C., Davoudiasl, H., Deshpande, A., Dong, X., Emmert, A., Fazio, S., Forte, S., Furletova, Y., Gal, C., Gwenlan, C., Guzey, V., Harland-Lang, L. A., Helenius, I., Hentschinski, M., Hobbs, T. J., Hoeche, S., Hou, T. -J., Ji, Y., Jing, X., Kelsey, M., Klasen, M., Kang, Z. -B., Kovchegov, Y. V., Kumar, K. S., Lappi, T., Lee, K., Lee, Y. -J., Li, H. -T., Li, X., Lin, H. -W., Liu, H., Liu, Z. L., Liuti, S., Lorce, C., Lunghi, E., Marcarelli, R., Magill, S., Makris, Y., Mantry, S., Melnitchouk, W., Mezrag, C., Moch, S., Moutarde, H., Mukherjee, Swagato, Murgia, F., Nachman, B., Nadolsky, P. M., Nam, J. D., Neill, D., Neill, E. T., Nocera, E., Nycz, M., Olness, F., Petriello, F., Pitonyak, D., Platzer, S., Prestel, S., Prokudin, A., Qiu, J., Radici, M., Radhakrishnan, S., Sadofyev, A., Rojo, J., Ringer, F., Salazar, F., Sato, N., Schenke, B., Schlichting, S., Schweitzer, P., Sekula, S. J., Shao, D. Y., Sherrill, N., Sichtermann, E., Signori, A., Simsek, K., Simonelli, A., Sznajder, P., Tezgin, K., Thorne, R. S., Tricoli, A., Venugopalan, R., Vladimirov, A., Vicini, A., Vitev, I., Wiegand, D., Wong, C. -P., Xie, K., Zaccheddu, M., Zhao, Y., Zhang, J., Zheng, X., and Zurita, P.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment, Nuclear Experiment, Nuclear Theory
Abstract: Electron Ion Collider (EIC) is a particle accelerator facility planned for construction at Brookhaven National Laboratory on Long Island, New York by the United States Department of Energy. EIC will provide capabilities of colliding beams of polarized electrons with polarized beams of proton and light ions. EIC will be one of the largest and most sophisticated new accelerator facilities worldwide, and the only new large-scale accelerator facility planned for construction in the United States in the next few decades. The versatility, resolving power and intensity of EIC will present many new opportunities to address some of the crucial and fundamental open scientific questions in particle physics. This document provides an overview of the science case of EIC from the perspective of the high energy physics community., Comment: Submitted to the Proceedings of the US Community Study on the Future of Particle Physics (Snowmass 2021)
Published: 2022

3. The Large Hadron-Electron Collider at the HL-LHC

Author: Agostini, P., Aksakal, H., Alekhin, S., Allport, P. P., Andari, N., Andre, K. D. J., Angal-Kalinin, D., Antusch, S., Bella, L. Aperio, Apolinario, L., Apsimon, R., Apyan, A., Arduini, G., Ari, V., Armbruster, A., Armesto, N., Auchmann, B., Aulenbacher, K., Azuelos, G., Backovic, S., Bailey, I., Bailey, S., Balli, F., Behera, S., Behnke, O., Ben-Zvi, I., Benedikt, M., Bernauer, J., Bertolucci, S., Biswal, S. S., Blümlein, J., Bogacz, A., Bonvini, M., Boonekamp, M., Bordry, F., Boroun, G. R., Bottura, L., Bousson, S., Bouzas, A. O., Bracco, C., Bracinik, J., Britzger, D., Brodsky, S. J., Bruni, C., Brüning, O., Burkhardt, H., Cakir, O., Calaga, R., Caldwell, A., Calıskan, A., Camarda, S., Catalan-Lasheras, N. C., Cassou, K., Cepila, J., Cetinkaya, V., Chetvertkova, V., Cole, B., Coleppa, B., Cooper-Sarkar, A., Cormier, E., Cornell, A. S., Corsini, R., Cruz-Alaniz, E., Currie, J., Curtin, D., D'Onofrio, M., Dainton, J., Daly, E., Das, A., Das, S. P., Dassa, L., de Blas, J., Rose, L. Delle, Denizli, H., Deshpande, K. S., Douglas, D., Duarte, L., Dupraz, K., Dutta, S., Efremov, A. V., Eichhorn, R., Eskola, K. J., Ferreiro, E. G., Fischer, O., Flores-Sánchez, O., Forte, S., Gaddi, A., Gao, J., Gehrmann, T., Ridder, A. Gehrmann-De, Gerigk, F., Gilbert, A., Giuli, F., Glazov, A., Glover, N., Godbole, R. M., Goddard, B., Gonçalves, V., Gonzalez-Sprinberg, G. A., Goyal, A., Grames, J., Granados, E., Grassellino, A., Gunaydin, Y. O., Guo, Y. C., Guzey, V., Gwenlan, C., Hammad, A., Han, C. C., Harland-Lang, L., Haug, F., Hautmann, F., Hayden, D., Hessler, J., Helenius, I., Henry, J., Hernandez-Sanchez, J., Hesari, H., Hobbs, T. J., Hod, N., Hoffstaetter, G. H., Holzer, B., Honorato, C. G., Hounsell, B., Hu, N., Hug, F., Huss, A., Hutton, A., Islam, R., Iwamoto, S., Jana, S., Jansova, M., Jensen, E., Jones, T., Jowett, J. M., Kaabi, W., Kado, M., Kalinin, D. A., Karadeniz, H., Kawaguchi, S., Kaya, U., Khalek, R. A., Khanpour, H., Kilic, A., Klein, M., Klein, U., Kluth, S., Köksal, M., Kocak, F., Korostelev, M., Kostka, P., Krelina, M., Kretzschmar, J., Kuday, S., Kulipanov, G., Kumar, M., Kuze, M., Lappi, T., Larios, F., Latina, A., Laycock, P., Lei, G., Levitchev, E., Levonian, S., Levy, A., Li, R., Li, X., Liang, H., Litvinenko, V., Liu, M., Liu, T., Liu, W., Liu, Y., Liuti, S., Lobodzinska, E., Longuevergne, D., Luo, X., Ma, W., Machado, M., Mandal, S., Mäntysaari, H., Marhauser, F., Marquet, C., Martens, A., Martin, R., Marzani, S., McFayden, J., Mcintosh, P., Mellado, B., Meot, F., Milanese, A., Milhano, J. G., Militsyn, B., Mitra, M., Moch, S., Najafabadi, M. Mohammadi, Mondal, S., Moretti, S., Morgan, T., Morreale, A., Nadolsky, P., Navarra, F., Nergiz, Z., Newman, P., Niehues, J., Nissen, E. A., Nowakowski, M., Okada, N., Olivier, G., Olness, F., Olry, G., Osborne, J. A., Ozansoy, A., Pan, R., Parker, B., Patra, M., Paukkunen, H., Peinaud, Y., Pellegrini, D., Perez-Segurana, G., Perini, D., Perrot, L., Pietralla, N., Pilicer, E., Pire, B., Pires, J., Placakyte, R., Poelker, M., Polifka, R., Polini, A., Poulose, P., Pownall, G., Pupkov, Y. A., Queiroz, F. S., Rabbertz, K., Radescu, V., Rahaman, R., Rai, S. K., Raicevic, N., Ratoff, P., Rashed, A., Raut, D., Raychaudhuri, S., Repond, J., Rezaeian, A. H., Rimmer, R., Rinolfi, L., Rojo, J., Rosado, A., Ruan, X., Russenschuck, S., Sahin, M., Salgado, C. A., Sampayo, O. A., Satendra, K., Satyanarayan, N., Schenke, B., Schirm, K., Schopper, H., Schott, M., Schulte, D., Schwanenberger, C., Sekine, T., Senol, A., Seryi, A., Setiniyaz, S., Shang, L., Shen, X., Shipman, N., Sinha, N., Slominski, W., Smith, S., Solans, C., Song, M., Spiesberger, H., Stanyard, J., Starostenko, A., Stasto, A., Stocchi, A., Strikman, M., Stuart, M. J., Sultansoy, S., Sun, H., Sutton, M., Szymanowski, L., Tapan, I., Tapia-Takaki, D., Tanaka, M., Tang, Y., Tasci, A. T., Ten-Kate, A. T., Thonet, P., Tomas-Garcia, R., Tommasini, D., Trbojevic, D., Trott, M., Tsurin, I., Tudora, A., Cakir, I. Turk, Tywoniuk, K., Vallerand, C., Valloni, A., Verney, D., Vilella, E., Walker, D., Wallon, S., Wang, B., Wang, K., Wang, X., Wang, Z. S., Wei, H., Welsch, C., Willering, G., Williams, P. H., Wollmann, D., Xiaohao, C., Xu, T., Yaguna, C. E., Yamaguchi, Y., Yamazaki, Y., Yang, H., Yilmaz, A., Yock, P., Yue, C. X., Zadeh, S. G., Zenaiev, O., Zhang, C., Zhang, J., Zhang, R., Zhang, Z., Zhu, G., Zhu, S., Zimmermann, F., Zomer, F., Zurita, J., and Zurita, P.
Subjects: High Energy Physics - Experiment, High Energy Physics - Phenomenology, Nuclear Experiment, Nuclear Theory
Abstract: The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High Luminosity--Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent electron-proton and proton-proton operation. This report represents an update of the Conceptual Design Report (CDR) of the LHeC, published in 2012. It comprises new results on parton structure of the proton and heavier nuclei, QCD dynamics, electroweak and top-quark physics. It is shown how the LHeC will open a new chapter of nuclear particle physics in extending the accessible kinematic range in lepton-nucleus scattering by several orders of magnitude. Due to enhanced luminosity, large energy and the cleanliness of the hadronic final states, the LHeC has a strong Higgs physics programme and its own discovery potential for new physics. Building on the 2012 CDR, the report represents a detailed updated design of the energy recovery electron linac (ERL) including new lattice, magnet, superconducting radio frequency technology and further components. Challenges of energy recovery are described and the lower energy, high current, 3-turn ERL facility, PERLE at Orsay, is presented which uses the LHeC characteristics serving as a development facility for the design and operation of the LHeC. An updated detector design is presented corresponding to the acceptance, resolution and calibration goals which arise from the Higgs and parton density function physics programmes. The paper also presents novel results on the Future Circular Collider in electron-hadron mode, FCC-eh, which utilises the same ERL technology to further extend the reach of DIS to even higher centre-of-mass energies., Comment: 373 pages, many figures, to be published by J. Phys. G
Published: 2020
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4. Les Houches 2019: Physics at TeV Colliders: Standard Model Working Group Report

Author: Amoroso, S., Azzurri, P., Bendavid, J., Bothmann, E., Britzger, D., Brooks, H., Buckley, A., Calvetti, M., Chen, X., Chiesa, M., Cieri, L., Ciulli, V., Cruz-Martinez, J., Cueto, A., Denner, A., Dittmaier, S., Donegà, M., Dührssen-Debling, M., Fabre, I., Ferrario-Ravasio, S., de Florian, D., Forte, S., Francavilla, P., Gehrmann, T., Ridder, A. Gehrmann-De, Gellersen, L., Glover, E. W. N., Gras, P., Gwenlan, C., Haddad, Y., Heinrich, G., Hessler, J., Hobbs, T. J., Höfer, M., Huss, A., Huston, J., Ježo, T., Jones, S. P., Kallweit, S., Klasen, M., Knippen, G., Larkoski, A., LeBlanc, M., Loch, P., Long, K., Maître, D., Marzani, S., Mazzitelli, J., Mcfayden, J. A., Metodiev, E., Michel, J. K. L., Llácer, M. Moreno, Nachman, B., Nadolsky, P., Napoletano, D., Nocera, E. R., Oleari, C., Pandini, C., Pellen, M., Pigazzini, S., Pires, J., Plätzer, S., Prestel, S., Rabbertz, K., Re, E., Richardson, P., Ringer, F., Rojo, J., Roloff, J., Röntsch, R., Schönherr, M., Schwan, C., Siegert, F., Soper, D., Soyez, G., Spira, M., Sutton, M. R., Tackmann, F. J., Theeuwes, V., Villani, S. L., Whitehead, J., Yang, H. T., and Zhou, J.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: This Report summarizes the proceedings of the 2019 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments for high precision Standard Model calculations, (II) the sensitivity of parton distribution functions to the experimental inputs, (III) new developments in jet substructure techniques and a detailed examination of gluon fragmentation at the LHC, (IV) issues in the theoretical description of the production of Standard Model Higgs bosons and how to relate experimental measurements, and (V) Monte Carlo event generator studies relating to PDF evolution and comparisons of important processes at the LHC., Comment: Proceedings of the Standard Model Working Group of the 2019 Les Houches Workshop, Physics at TeV Colliders, Les Houches 10-28 June 2019. 226 pages
Published: 2020

5. Les Houches 2017: Physics at TeV Colliders Standard Model Working Group Report

Author: Bendavid, J., Caola, F., Ciulli, V., Harlander, R., Heinrich, G., Huston, J., Kallweit, S., Prestel, S., Re, E., Tackmann, K., Thaler, J., Theofilatos, K., Andersen, J. R., Bellm, J., Berger, N., Bhatia, D., Biedermann, B., Bräuer, S., Britzger, D., Buckley, A. G., Camacho, R., Chachamis, G., Chatterjee, S., Chen, X., Chiesa, M., Currie, J. R., Denner, A., Dreyer, F., Driencourt-Mangin, F., Forte, S., Garzelli, M. V., Gehrmann, T., Gieseke, S., Glover, E. W. N., Gras, P., Greiner, N., Gütschow, C., Gwenlan, C., Heil, M., Herndon, M., Hirschi, V., Hoang, A. H., Höche, S., Huss, A., Jones, S. P., Kar, D., Karlberg, A., Kassabov, Z., Kerner, M., Klappert, J., Kuttimalai, S., Lang, J. -N., Larkoski, A., Lindert, J. M., Loch, P., Long, K., Lönnblad, L., Luisoni, G., Maier, A., Maierhöfer, P., Maître, D., Marzani, S., McFayden, J. A., Moult, I., Mozer, M., Mrenna, S., Nachman, B., Napoletano, D., Pandini, C., Papaefstathiou, A., Pellen, M., Perrozzi, L., Pires, J., Plätzer, S., Pozzorini, S., Quackenbush, S., Rabbertz, K., Rauch, M., Reuschle, C., Richardson, P., Ridder, A. Gehrmann-De, Rodrigo, G., Rojo, J., Röntsch, R., Rottoli, L., Samitz, D., Samui, T., Sborlini, G., Schönherr, M., Schumann, S., Scyboz, L., Seth, S., Shao, H. -S., Siódmok, A., Skands, P. Z., Smillie, J. M., Soyez, G., Sun, P., Sutton, M. R., Tackmann, F. J., Uccirati, S., Weinzierl, S., Yazgan, E., Yuan, C. -P., and Yuan, F.
Subjects: High Energy Physics - Phenomenology
Abstract: This Report summarizes the proceedings of the 2017 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard Model calculations, (II) theoretical uncertainties and dataset dependence of parton distribution functions, (III) new developments in jet substructure techniques, (IV) issues in the theoretical description of the production of Standard Model Higgs bosons and how to relate experimental measurements, (V) phenomenological studies essential for comparing LHC data from Run II with theoretical predictions and projections for future measurements, and (VI) new developments in Monte Carlo event generators., Comment: Proceedings of the Standard Model Working Group of the 2017 Les Houches Workshop, Physics at TeV Colliders, Les Houches 5-23 June 2017. 314 pages
Published: 2018

6. Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector

Author: de Florian, D., Grojean, C., Maltoni, F., Mariotti, C., Nikitenko, A., Pieri, M., Savard, P., Schumacher, M., Tanaka, R., Aggleton, R., Ahmad, M., Allanach, B., Anastasiou, C., Astill, W., Badger, S., Badziak, M., Baglio, J., Bagnaschi, E., Ballestrero, A., Banfi, A., Barducci, D., Beckingham, M., Becot, C., Bélanger, G., Bellm, J., Belyaev, N., Bernlochner, F. U., Beskidt, C., Biekötter, A., Bishara, F., Bizon, W., Bomark, N. E., Bonvini, M., Borowka, S., Bortolotto, V., Boselli, S., Botella, F. J., Boughezal, R., Branco, G. C., Brehmer, J., Brenner, L., Bressler, S., Brivio, I., Broggio, A., Brun, H., Buchalla, G., Burgard, C. D., Calandri, A., Caminada, L., Armadans, R. Caminal, Campanario, F., Campbell, J., Caola, F., Calame, C. M. Carloni, Carrazza, S., Carvalho, A., Casolino, M., Cata, O., Celis, A., Cerutti, F., Chanon, N., Chen, M., Chen, X., Nejad, B. Chokoufé, Christensen, N., Ciuchini, M., Contino, R., Corbett, T., Costa, R., Curtin, D., Dall'Osso, M., David, A., Dawson, S., de Blas, J., de Boer, W., Manzano, P. de Castro, Degrande, C., Delgado, R. L., Demartin, F., Denner, A., Di Micco, B., Di Nardo, R., Dittmaier, S., Dobado, A., Dorigo, T., Dreyer, F. A., Dührssen, M., Duhr, C., Dulat, F., Ecker, K., Ellis, K., Ellwanger, U., Englert, C., Espriu, D., Falkowski, A., Fayard, L., Feger, R., Ferrera, G., Ferroglia, A., Fidanza, N., Figy, T., Flechl, M., Fontes, D., Forte, S., Francavilla, P., Franco, E., Frederix, R., Freitas, A., Freitas, F. F., Frensch, F., Frixione, S., Fuks, B., Furlan, E., Gadatsch, S., Gao, J., Gao, Y., Garzelli, M. V., Gehrmann, T., Gerosa, R., Ghezzi, M., Ghosh, D., Gieseke, S., Gillberg, D., Giudice, G. F., Glover, E. W. N., Goertz, F., Gonçalves, D., Gonzalez-Fraile, J., Gorbahn, M., Gori, S., Gottardo, C. A., Gouzevitch, M., Govoni, P., Gray, D., Grazzini, M., Greiner, N., Greljo, A., Grigo, J., Gritsan, A. V., Gröber, R., Guindon, S., Haber, H. E., Han, C., Han, T., Harlander, R., Harrendorf, M. A., Hartanto, H. B., Hays, C., Heinemeyer, S., Heinrich, G., Herrero, M., Herzog, F., Hespel, B., Hirschi, V., Hoeche, S., Honeywell, S., Huber, S. J., Hugonie, C., Huston, J., Ilnicka, A., Isidori, G., Jäger, B., Jaquier, M., Jones, S. P., Juste, A., Kallweit, S., Kaluza, A., Kardos, A., Karlberg, A., Kassabov, Z., Kauer, N., Kazakov, D. I., Kerner, M., Kilian, W., Kling, F., Köneke, K., Kogler, R., Konoplich, R., Kortner, S., Kraml, S., Krause, C., Krauss, F., Krawczyk, M., Kulesza, A., Kuttimalai, S., Lane, R., Lazopoulos, A., Lee, G., Lenzi, P., Lewis, I. M., Li, Y., Liebler, S., Lindert, J., Liu, X., Liu, Z., Llanes-Estrada, F. J., Logan, H. E., Lopez-Val, D., Low, I., Luisoni, G., Maierhöfer, P., Maina, E., Mansoulié, B., Mantler, H., Mantoani, M., Marini, A. C., Outschoorn, V. I. Martinez, Marzani, S., Marzocca, D., Massironi, A., Mawatari, K., Mazzitelli, J., McCarn, A., Mellado, B., Melnikov, K., Menari, S. B., Merlo, L., Meyer, C., Milenovic, P., Mimasu, K., Mishima, S., Mistlberger, B., Moch, S. -O., Mohammadi, A., Monni, P. F., Montagna, G., Llácer, M. Moreno, Moretti, N., Moretti, S., Motyka, L., Mück, A., Mühlleitner, M., Munir, S., Musella, P., Nadolsky, P., Napoletano, D., Nebot, M., Neu, C., Neubert, M., Nevzorov, R., Nicrosini, O., Nielsen, J., Nikolopoulos, K., No, J. M., O'Brien, C., Ohl, T., Oleari, C., Orimoto, T., Pagani, D., Pandini, C. E., Papaefstathiou, A., Papanastasiou, A. S., Passarino, G., Pecjak, B. D., Pelliccioni, M., Perez, G., Perrozzi, L., Petriello, F., Petrucciani, G., Pianori, E., Piccinini, F., Pierini, M., Pilkington, A., Plätzer, S., Plehn, T., Podskubka, R., Potter, C. T., Pozzorini, S., Prokofiev, K., Pukhov, A., Puljak, I., Queitsch-Maitland, M., Quevillon, J., Rathlev, D., Rauch, M., Re, E., Rebelo, M. N., Rebuzzi, D., Reina, L., Reuschle, C., Reuter, J., Riembau, M., Riva, F., Rizzi, A., Robens, T., Röntsch, R., Rojo, J., Romão, J. C., Rompotis, N., Roskes, J., Roth, R., Salam, G. P., Salerno, R., Sampaio, M. O. P., Santos, R., Sanz, V., Sanz-Cillero, J. J., Sargsyan, H., Sarica, U., Schichtel, P., Schlenk, J., Schmidt, T., Schmitt, C., Schönherr, M., Schubert, U., Schulze, M., Sekula, S., Sekulla, M., Shabalina, E., Shao, H. S., Shelton, J., Shepherd-Themistocleous, C. H., Shim, S. Y., Siegert, F., Signer, A., Silva, J. P., Silvestrini, L., Sjodahl, M., Slavich, P., Slawinska, M., Soffi, L., Spannowsky, M., Speckner, C., Sperka, D. M., Spira, M., Stål, O., Staub, F., Stebel, T., Stefaniak, T., Steinhauser, M., Stewart, I. W., Strassler, M. J., Streicher, J., Strom, D. M., Su, S., Sun, X., Tackmann, F. J., Tackmann, K., Teixeira, A. M., de Lima, R. Teixeira, Theeuwes, V., Thorne, R., Tommasini, D., Torrielli, P., Tosi, M., Tramontano, F., Trócsányi, Z., Trott, M., Tsinikos, I., Ubiali, M., Vanlaer, P., Verkerke, W., Vicini, A., Viliani, L., Vryonidou, E., Wackeroth, D., Wagner, C. E. M., Wang, J., Wayand, S., Weiglein, G., Weiss, C., Wiesemann, M., Williams, C., Winter, J., Winterbottom, D., Wolf, R., Xiao, M., Yang, L. L., Yohay, R., Yuen, S. P. Y., Zanderighi, G., Zaro, M., Zeppenfeld, D., Ziegler, R., Zirke, T., and Zupan, J.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: This Report summarizes the results of the activities of the LHC Higgs Cross Section Working Group in the period 2014-2016. The main goal of the working group was to present the state-of-the-art of Higgs physics at the LHC, integrating all new results that have appeared in the last few years. The first part compiles the most up-to-date predictions of Higgs boson production cross sections and decay branching ratios, parton distribution functions, and off-shell Higgs boson production and interference effects. The second part discusses the recent progress in Higgs effective field theory predictions, followed by the third part on pseudo-observables, simplified template cross section and fiducial cross section measurements, which give the baseline framework for Higgs boson property measurements. The fourth part deals with the beyond the Standard Model predictions of various benchmark scenarios of Minimal Supersymmetric Standard Model, extended scalar sector, Next-to-Minimal Supersymmetric Standard Model and exotic Higgs boson decays. This report follows three previous working-group reports: Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables (CERN-2011-002), Handbook of LHC Higgs Cross Sections: 2. Differential Distributions (CERN-2012-002), and Handbook of LHC Higgs Cross Sections: 3. Higgs properties (CERN-2013-004). The current report serves as the baseline reference for Higgs physics in LHC Run 2 and beyond., Comment: 869 pages, 295 figures, 248 tables and 1645 citations. Working Group web page: https://twiki.cern.ch/twiki/bin/view/LHCPhysics/LHCHXSWG
Published: 2016
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7. Les Houches 2015: Physics at TeV Colliders Standard Model Working Group Report

Author: Badger, S., Bendavid, J., Ciulli, V., Denner, A., Frederix, R., Grazzini, M., Huston, J., Schönherr, M., Tackmann, K., Thaler, J., Williams, C., Andersen, J. R., Becker, K., Bell, M., Bellm, J., Bothmann, E., Boughezal, R., Butterworth, J., Carrazza, S., Chiesa, M., Cieri, L., Duehrssen-Debling, M., Falmagne, G., Forte, S., Francavilla, P., Freytsis, M., Gao, J., Gras, P., Greiner, N., Grellscheid, D., Heinrich, G., Hesketh, G., Höche, S., Hofer, L., Hou, T. -J., Huss, A., Isaacson, J., Jueid, A., Kallweit, S., Kar, D., Kassabov, Z., Konstantinides, V., Krauss, F., Kuttimalai, S., Lazapoulos, A., Lenzi, P., Li, Y., Lindert, J. M., Liu, X., Luisoni, G., Lönnblad, L., Maierhöfer, P., Maître, D., Marini, A. C., Montagna, G., Moretti, M., Nadolsky, P. M., Nail, G., Napoletano, D., Nicrosini, O., Oleari, C., Pagani, D., Pandini, C., Perrozzi, L., Petriello, F., Piccinini, F., Plätzer, S., Pogrebnyak, I., Pozzorini, S., Prestel, S., Reuschle, C., Rojo, J., Russo, L., Schichtel, P., Schumann, S., Siódmok, A., Skands, P., Soper, D., Soyez, G., Sun, P., Tackmann, F. J., Takasugi, E., Uccirati, S., Utku, U., Viliani, L., Vryonidou, E., Wang, B. T., Waugh, B., Weber, M. A., Winter, J., Xie, K. P., Yuan, C. -P., Yuan, F., Zapp, K., and Zaro, M.
Subjects: High Energy Physics - Phenomenology
Abstract: This Report summarizes the proceedings of the 2015 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments relevant for high precision Standard Model calculations, (II) the new PDF4LHC parton distributions, (III) issues in the theoretical description of the production of Standard Model Higgs bosons and how to relate experimental measurements, (IV) a host of phenomenological studies essential for comparing LHC data from Run I with theoretical predictions and projections for future measurements in Run II, and (V) new developments in Monte Carlo event generators., Comment: Proceedings of the Standard Model Working Group of the 2015 Les Houches Workshop, Physics at TeV Colliders, Les Houches 1-19 June 2015. 227 pages
Published: 2016

8. The Standard Model from the LHC to future colliders: a contribution to the Workshop 'What Next' of INFN

Author: Forte, S., Nisati, A., Passarino, G., Tenchini, R., Calame, C. M. Carloni, Chiesa, M., Cobal, M., Corcella, G., Degrassi, G., Ferrera, G., Magnea, L., Maltoni, F., Montagna, G., Nason, P., Nicrosini, O., Oleari, C., Piccinini, F., Riva, F., and Vicini, A.
Subjects: High Energy Physics - Phenomenology
Abstract: This Report summarizes the results of the activities in 2014 of the Standard Model Working Group within the workshop "What Next" of INFN. We present a framework, general questions, and some indications of possible answers on the main issue for Standard Model physics in the LHC era and in view of possible future accelerators., Comment: 78 pages 3 figures; Numerous small corrections. Final revised version, to be published in European Journal of Physics C
Published: 2015

9. Les Houches 2013: Physics at TeV Colliders: Standard Model Working Group Report

Author: Butterworth, J., Dissertori, G., Dittmaier, S., de Florian, D., Glover, N., Hamilton, K., Huston, J., Kado, M., Korytov, A., Krauss, F., Soyez, G., Andersen, J. R., Badger, S., Barzè, L., Bellm, J., Bernlochner, F. U., Buckley, A., Chanon, N., Chiesa, M., Cooper-Sarkar, A., Cieri, L., Cullen, G., van Deurzen, H., Forte, S., Frederix, R., Fuks, B., Gao, J., Garzelli, M. V., Gehrmann, T., Gerwick, E., Gieseke, S., Gillberg, D., Glover, E. W. N., Greiner, N., Hapola, T., Hartanto, H. B., Heinrich, G., Huss, A., Jäger, B., Kardos, A., Klein, U., Kruse, A., Lönnblad, L., Luisoni, G., Maître, Daniel, Mastrolia, P., Mattelaer, O., Mazzitelli, J., Mirabella, E., Monni, P., Montagna, G., Moretti, M., Nadolsky, P., Nason, P., Nicrosini, O., Oleari, C., Ossola, G., Padhi, S., Peraro, T., Piccinini, F., Plätzer, S., Prestel, S., Pumplin, J., Rabbertz, K., Radescu, Voica, Reina, L., Reuschle, C., Rojo, J., Schönherr, M., Smillie, J. M., von Soden-Fraunhofen, J. F., Thorne, R., Tramontano, F., Trocsanyi, Z., Wackeroth, D., Winter, J., Yuan, C-P., Yundin, V., and Zapp, K.
Subjects: High Energy Physics - Phenomenology
Abstract: This Report summarizes the proceedings of the 2013 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt primarily with (1) the techniques for calculating standard model multi-leg NLO and NNLO QCD and NLO EW cross sections and (2) the comparison of those cross sections with LHC data from Run 1, and projections for future measurements in Run 2., Comment: Proceedings of the Standard Model Working Group of the 2013 Les Houches Workshop, Physics at TeV Colliders, Les houches 3-21 June 2013. 200 pages
Published: 2014

10. Report of the Snowmass 2013 energy frontier QCD working group

Author: Campbell, J. M., Hatakeyama, K., Huston, J., Petriello, F., Andersen, J., Barze, L., Beauchemin, H., Becher, T., Begel, M., Blondel, A., Bodwin, G., Boughezal, R., Carrazza, S., Chiesa, M., Dissertori, G., Dittmaier, S., Ferrera, G., Forte, S., Glover, N., Hapola, T., Huss, A., Tormo, X. Garcia i, Grazzini, M., Hoche, S., Janot, P., Kasprzik, T., Klein, M., Klein, U., Kosower, D., Li, Y., Liu, X., Mackenzie, P., Maitre, D., Meoni, E., Mishra, K., Montagna, G., Moretti, M., Nadolsky, P., Nicrosini, O., Piccinini, F., Reina, L., Radescu, V., Rojo, J., Russ, J., Sapeta, S., Schwartzman, A., Skands, P., Smillie, J., Stewart, I. W., Tackmann, F. J., Tramontano, F., Van de Water, R., Walsh, J. R., and Zuberi, S.
Subjects: High Energy Physics - Phenomenology
Abstract: This is the summary report of the energy frontier QCD working group prepared for Snowmass 2013. We review the status of tools, both theoretical and experimental, for understanding the strong interactions at colliders. We attempt to prioritize important directions that future developments should take. Most of the efforts of the QCD working group concentrate on proton-proton colliders, at 14 TeV as planned for the next run of the LHC, and for 33 and 100 TeV, possible energies of the colliders that will be necessary to carry on the physics program started at 14 TeV. We also examine QCD predictions and measurements at lepton-lepton and lepton-hadron colliders, and in particular their ability to improve our knowledge of strong coupling constant and parton distribution functions., Comment: 62 pages, 31 figures, Snowmass community summer study 2013
Published: 2013

11. Handbook of LHC Higgs Cross Sections: 3. Higgs Properties

Author: The LHC Higgs Cross Section Working Group, Heinemeyer, S., Mariotti, C., Passarino, G., Tanaka, R., Andersen, J. R., Artoisenet, P., Bagnaschi, E. A., Banfi, A., Becher, T., Bernlochner, F. U., Bolognesi, S., Bolzoni, P., Boughezal, R., Buarque, D., Campbell, J., Caola, F., Carena, M., Cascioli, F., Chanon, N., Cheng, T., Choi, S. Y., David, A., de Aquino, P., Degrassi, G., Del Re, D., Denner, A., van Deurzen, H., Diglio, S., Di Micco, B., Di Nardo, R., Dittmaier, S., Duhrssen, M., Ellis, R. K., Ferrera, G., Fidanza, N., Flechl, M., de Florian, D., Forte, S., Frederix, R., Frixione, S., Gangal, S., Gao, Y., Garzelli, M. V., Gillberg, D., Govoni, P., Grazzini, M., Greiner, N., Griffiths, J., Gritsan, A . V., Grojean, C., Hall, D. C., Hays, C., Harlander, R., Hernandez-Pinto, R., Hoche, S., Huston, J., Jubb, T., Kadastik, M., Kallweit, S., Kardos, A., Kashif, L., Kauer, N., Kim, H., Klees, R., Kramer, M., Krauss, F., Laureys, A., Laurila, S., Lehti, S., Li, Q., Liebler, S., Liu, X., Logan, H. E., Luisoni, G., Malberti, M., Maltoni, F., Mawatari, K., Maierhofer, F., Mantler, H., Martin, S., Mastrolia, P., Mattelaer, O., Mazzitelli, J., Mellado, B., Melnikov, K., Meridiani, P., Miller, D. J., Mirabella, E., Moch, S. O., Monni, P., Moretti, N., Muck, A., Muhlleitner, M., Musella, P., Nason, P., Neu, C., Neubert, M., Oleari, C., Olsen, J., Ossola, G., Peraro, T., Peters, K., Petriello, F., Piacquadio, G., Potter, C. T., Pozzorini, S., Prokofiev, K., Puljak, I., Rauch, M., Rebuzzi, D., Reina, L., Rietkerk, R., Rizzi, A., Rotstein-Habarnau, Y., Salam, G. P., Sborlini, G., Schissler, F., Schonherr, M., Schulze, M., Schumacher, M., Siegert, F., Slavich, P., Smillie, J. M., Stal, O., von Soden-Fraunhofen, J. F., Spira, M., Stewart, I. W., Tackmann, F. J., Taylor, P. T. E., Tommasini, D., Thompson, J., Thorne, R. S., Torrielli, P., Tramontano, F., Tran, N. V., Trocsanyi, Z., Ubiali, M., Vanlaer, P., Acosta, M. Vazquez, Vickey, T., Vicini, A., Waalewijn, W. J., Wackeroth, D., Wagner, C., Walsh, J. R., Wang, J., Weiglein, G., Whitbeck, A., Williams, C., Yu, J., Zanderighi, G., Zanetti, M., Zaro, M., Zerwas, P. M., Zhang, C., Zirke, T. J . E., and Zuberi, S.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: This Report summarizes the results of the activities in 2012 and the first half of 2013 of the LHC Higgs Cross Section Working Group. The main goal of the working group was to present the state of the art of Higgs Physics at the LHC, integrating all new results that have appeared in the last few years. This report follows the first working group report Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables (CERN-2011-002) and the second working group report Handbook of LHC Higgs Cross Sections: 2. Differential Distributions (CERN-2012-002). After the discovery of a Higgs boson at the LHC in mid-2012 this report focuses on refined prediction of Standard Model (SM) Higgs phenomenology around the experimentally observed value of 125-126 GeV, refined predictions for heavy SM-like Higgs bosons as well as predictions in the Minimal Supersymmetric Standard Model and first steps to go beyond these models. The other main focus is on the extraction of the characteristics and properties of the newly discovered particle such as couplings to SM particles, spin and CP-quantum numbers etc., Comment: 404 pages, 139 figures, 162 tables. Updated for author names and minor corrections in the figures and tables. Working Group web page: https://twiki.cern.ch/twiki/bin/view/LHCPhysics/CrossSections
Published: 2013
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12. On the Relation of the LHeC and the LHC

Author: Fernandez, J. L. Abelleira, Adolphsen, C., Adzic, P., Akay, A. N., Aksakal, H., Albacete, J. L., Allanach, B., Alekhin, S., Allport, P., Andreev, V., Appleby, R. B., Arikan, E., Armesto, N., Azuelos, G., Bai, M., Barber, D., Bartels, J., Behnke, O., Behr, J., Belyaev, A. S., Ben-Zvi, I., Bernard, N., Bertolucci, S., Bettoni, S., Biswal, S., Blümlein, J., Böttcher, H., Bogacz, A., Bracco, C., Bracinik, J., Brandt, G., Braun, H., Brodsky, S., Brüning, O., Bulyak, E., Buniatyan, A., Burkhardt, H., Cakir, I. T., Cakir, O., Calaga, R., Caldwell, A., Cetinkaya, V., Chekelian, V., Ciapala, E., Ciftci, R., Ciftci, A. K., Cole, B. A., Collins, J. C., Dadoun, O., Dainton, J., Roeck, A. De., d'Enterria, D., DiNezza, P., D'Onofrio, M., Dudarev, A., Eide, A., Enberg, R., Eroglu, E., Eskola, K. J., Favart, L., Fitterer, M., Forte, S., Gaddi, A., Gambino, P., Morales, H. García, Gehrmann, T., Gladkikh, P., Glasman, C., Glazov, A., Godbole, R., Goddard, B., Greenshaw, T., Guffanti, A., Guzey, V., Gwenlan, C., Han, T., Hao, Y., Haug, F., Herr, W., Hervé, A., Holzer, B. J., Ishitsuka, M., Jacquet, M., Jeanneret, B., Jensen, E., Jimenez, J. M., Jowett, J. M., Jung, H., Karadeniz, H., Kayran, D., Kilic, A., Kimura, K., Klees, R., Klein, M., Klein, U., Kluge, T., Kocak, F., Korostelev, M., Kosmicki, A., Kostka, P., Kowalski, H., Kraemer, M., Kramer, G., Kuchler, D., Kuze, M., Lappi, T., Laycock, P., Levichev, E., Levonian, S., Litvinenko, V. N., Lombardi, A., Maeda, J., Marquet, C., Mellado, B., Mess, K. H., Milanese, A., Milhano, J. G., Moch, S., Morozov, I. I., Muttoni, Y., Myers, S., Nandi, S., Nergiz, Z., Newman, P. R., Omori, T., Osborne, J., Paoloni, E., Papaphilippou, Y., Pascaud, C., Paukkunen, H., Perez, E., Pieloni, T., Pilicer, E., Pire, B., Placakyte, R., Polini, A., Ptitsyn, V., Pupkov, Y., Radescu, V., Raychaudhuri, S., Rinolfi, L., Rizvi, E., Rohini, R., Rojo, J., Russenschuck, S., Sahin, M., Salgado, C. A., Sampei, K., Sassot, R., Sauvan, E., Schaefer, M., Schneekloth, U., Schörner-Sadenius, T., Schulte, D., Senol, A., Seryi, A., Sievers, P., Skrinsky, A. N., Smith, W., South, D., Spiesberger, H., Stasto, A. M., Strikman, M., Sullivan, M., Sultansoy, S., Sun, Y. P., Surrow, B., Szymanowski, L., Taels, P., Tapan, I., Tasci, T., Tassi, E., Kate, H. Ten., Terron, J., Thiesen, H., Thompson, L., Thompson, P., Tokushuku, K., García, R. Tomás, Tommasini, D., Trbojevic, D., Tsoupas, N., Tuckmantel, J., Turkoz, S., Trinh, T. N., Tywoniuk, K., Unel, G., Ullrich, T., Urakawa, J., VanMechelen, P., Variola, A., Veness, R., Vivoli, A., Vobly, P., Wagner, J., Wallny, R., Wallon, S., Watt, G., Weiss, C., Wiedemann, U. A., Wienands, U., Willeke, F., Xiao, B. -W., Yakimenko, V., Zarnecki, A. F., Zhang, Z., Zimmermann, F., Zlebcik, R., and Zomer, F.
Subjects: High Energy Physics - Experiment, High Energy Physics - Phenomenology
Abstract: The present note relies on the recently published conceptual design report of the LHeC and extends the first contribution to the European strategy debate in emphasising the role of the LHeC to complement and complete the high luminosity LHC programme. The brief discussion therefore focuses on the importance of high precision PDF and $\alpha_s$ determinations for the physics beyond the Standard Model (GUTs, SUSY, Higgs). Emphasis is also given to the importance of high parton density phenomena in nuclei and their relevance to the heavy ion physics programme at the LHC.
Published: 2012

13. Handbook of LHC Higgs Cross Sections: 2. Differential Distributions

Author: LHC Higgs Cross Section Working Group, Dittmaier, S., Mariotti, C., Passarino, G., Tanaka, R., Alekhin, S., Alwall, J., Bagnaschi, E. A., Banfi, A., Blumlein, J., Bolognesi, S., Chanon, N., Cheng, T., Cieri, L., Cooper-Sarkar, A. M., Cutajar, M., Dawson, S., Davies, G., De Filippis, N., Degrassi, G., Denner, A., D'Enterria, D., Diglio, S., Di Micco, B., Di Nardo, R., Ellis, R. K., Farilla, A., Farrington, S., Felcini, M., Ferrera, G., Flechl, M., de Florian, D., Forte, S., Ganjour, S., Garzelli, M. V., Gascon-Shotkin, S., Glazov, S., Goria, S., Grazzini, M., Guillet, J. -Ph., Hackstein, C., Hamilton, K., Harlander, R., Hauru, M., Heinemeyer, S., Hoche, S., Huston, J., Jackson, C., Jimenez-Delgado, P., Jorgensen, M. D., Kado, M., Kallweit, S., Kardos, A., Kauer, N., Kim, H., Kovac, M., Kramer, M., Krauss, F., Kuo, C. -M., Lehti, S., Li, Q., Lorenzo, N., Maltoni, F., Mellado, B., Moch, S. O., Muck, A., Muhlleitner, M., Nadolsky, P., Nason, P., Neu, C., Nikitenko, A., Oleari, C., Olsen, J., Palmer, S., Paganis, S., Papadopoulos, C. G., Petersen, T . C., Petriello, F., Petrucci, F., Piacquadio, G., Pilon, E., Potter, C. T., Price, J., Puljak, I., Quayle, W., Radescu, V., Rebuzzi, D., Reina, L., Rojo, J., Rosco, D., Salam, G. P., Sapronov, A., Schaarschmidt, J., Schonherr, M., Schumacher, M., Siegert, F., Slavich, P., Spira, M., Stewart, I. W., Stirling, W. J., Stockli, F., Sturm, C., Tackmann, F. J., Thorne, R. S., Tommasini, D., Torrielli, P., Tramontano, F., Trocsanyi, Z., Ubiali, M., Uccirati, S., Acosta, M. Vazquez, Vickey, T., Vicini, A., Waalewijn, W. J., Wackeroth, D., Warsinsky, M., Weber, M., Wiesemann, M., Weiglein, G., Yu, J., and Zanderighi, G.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: This Report summarises the results of the second year's activities of the LHC Higgs Cross Section Working Group. The main goal of the working group was to present the state of the art of Higgs Physics at the LHC, integrating all new results that have appeared in the last few years. The first working group report Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables (CERN-2011-002) focuses on predictions (central values and errors) for total Higgs production cross sections and Higgs branching ratios in the Standard Model and its minimal supersymmetric extension, covering also related issues such as Monte Carlo generators, parton distribution functions, and pseudo-observables. This second Report represents the next natural step towards realistic predictions upon providing results on cross sections with benchmark cuts, differential distributions, details of specific decay channels, and further recent developments., Comment: 275 pages, 136 figures, to be submitted to CERN Report. Working Group web page: https://twiki.cern.ch/twiki/bin/view/LHCPhysics/CrossSections
Published: 2012
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14. Workshop on Precision Measurements of alphas

Author: Bethke, S., Hoang, A. H., Kluth, S., Schieck, J., Stewart, I. W., Aoki, S., Beneke, M., Blumlein, J., Brambilla, N., Brodsky, S., Descotes-Genon, S., Erler, J., Forte, S., Gehrmann, T., Glasman, C., Golterman, M., Hashimoto, S., Kronfeld, A., Kuhn, J., Lepage, P., Martin, A., Mateu, V., Menke, S., Nomura, Y., Pahl, C., Petriello, F., Pich, A., Rabbertz, K., Salam, G., Schulz, H., Sommer, R., Steinhauser, M., Webber, B., Yuan, CP., and Zanderighi, G.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment, Nuclear Theory
Abstract: These are the proceedings of the "Workshop on Precision Measurements of alphas" held at the Max-Planck-Institute for Physics, Munich, February 9-11, 2011. The workshop explored in depth the determination of alphas(mZ) in the MS-bar scheme from the key categories where high precision measurements are currently being made, including DIS and global PDF fits, tau-decays, electroweak precision observables and Z-decays, event-shapes, and lattice QCD. These proceedings contain a short summary contribution from the speakers, as well as the lists of authors, conveners, participants, and talks., Comment: Proceedings of the "Workshop on Precision Measurements of alphas", Feb. 9-11, 2011. v1: 75 pages; v3: 78 pages
Published: 2011

15. Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables

Author: LHC Higgs Cross Section Working Group, Dittmaier, S., Mariotti, C., Passarino, G., Tanaka, R., Baglio, J., Bolzoni, P., Boughezal, R., Brein, O., Collins-Tooth, C., Dawson, S., Dean, S., Denner, A., Farrington, S., Felcini, M., Flechl, M., de Florian, D., Forte, S., Grazzini, M., Hackstein, C., Hahn, T., Harlander, R., Hartonen, T., Heinemeyer, S., Huston, J., Kalinowski, A., Krämer, M., Krauss, F., Lee, J. S., Lehti, S., Maltoni, F., Mazumdar, K., Moch, S. -O., Mück, A., Mühlleitner, M., Nason, P., Neu, C., Oleari, C., Olsen, J., Palmer, S., Petriello, F., Piacquadio, G., Pilaftsis, A., Potter, C. T., Puljak, I., Qian, J., Rebuzzi, D., Reina, L., Rzehak, H., Schumacher, M., Slavich, P., Spira, M., Stöckli, F., Thorne, R. S., Acosta, M. Vazquez, Vickey, T., Vicini, A., Wackeroth, D., Warsinsky, M., Weber, M., Weiglein, G., Weydert, C., Yu, J., Zaro, M., and Zirke, T.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: This Report summarizes the results of the first 10 months' activities of the LHC Higgs Cross Sections Working Group. The main goal of the working group was to present the status-of-art on Higgs Physics at the LHC integrating all new results that have appeared in the last few years. The Report is more than a mere collection of the proceedings of the general meetings. The subgroups have been working in different directions. An attempt has been made to present the first Report from these subgroups in a complete and homogeneous form. The subgroups' contributions correspondingly comprise the main parts of the Report. A significant amount of work has been performed in providing higher-order corrections to the Higgs-boson cross sections and pinning down the theoretical uncertainty of the Standard Model predictions. This Report comprises explicit numerical results on total cross sections, leaving the issues of event selection cuts and differential distributions to future publications. The subjects for further study are identified., Comment: 151 pages, 43 figures. Updated the H->4f branching ratios. This is the final version. Working Group web page: https://twiki.cern.ch/twiki/bin/view/LHCPhysics/CrossSections
Published: 2011
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16. The impact of heavy quark mass effects in the NNPDF global analysis

Author: Rojo, J., Ball, R. D., Bertone, V., Cerutti, F., Del Debbio, L., Forte, S., Guffanti, A., Latorre, J. I., and Ubiali, M.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: We discuss the implementation of the FONLL general-mass scheme for heavy quarks in deep-inelastic scattering in the FastKernel framework, used in the NNPDF series of global PDF analysis. We present the general features of FONLL and benchmark the accuracy of its implementation in FastKernel comparing with the Les Houches heavy quark benchmark tables. We then show preliminary results of the NNPDF2.1 analysis, in which heavy quark mass effects are included following the FONLL-A GM scheme., Comment: 5 pages, 3 figures; to appear in the proceedings of DIS 2010, Firenze
Published: 2010

17. Progress in the Neural Network Determination of Polarized Parton Distributions

Author: Rojo, J., Ridolfi, G., Ball, R. D., Bertone, V., Cerutti, F., Del Debbio, L., Forte, S., Guffanti, A., Latorre, J. I., and Ubiali, M.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment, Nuclear Theory
Abstract: We review recent progress towards a determination of a set of polarized parton distributions from a global set of deep-inelastic scattering data based on the NNPDF methodology, in analogy with the unpolarized case. This method is designed to provide a faithful and statistically sound representation of parton distributions and their uncertainties. We show how the FastKernel method provides a fast and accurate method for solving the polarized DGLAP equations. We discuss the polarized PDF parametrizations and the physical constraints which can be imposed. Preliminary results suggest that the uncertainty on polarized PDFs, most notably the gluon, has been underestimated in previous studies., Comment: 5 pages, 2 figures; to appear in the proceedings of DIS 2010, Firenze
Published: 2010

18. The SM and NLO multileg working group: Summary report

Author: Binoth, T., Dissertori, G., Huston, J., Pittau, R., Andersen, J. R., Archibald, J., Badger, S., Ball, R. D., Bevilacqua, G., Bierenbaum, I., Boudjema, F., Boughezal, R., Bredenstein, A., Britto, R., Campanelli, M., Campbell, J., Carminati, L., Chachamis, G., Ciulli, V., Cullen, G., Czakon, M., Del Debbio, L., Denner, A., Dittmaier, S., Forte, S., Frederix, R., Frixione, S., Gardi, E., Garzelli, M. V., Gascon-Shotkin, S., Gehrmann, T., Ridder, A. Gehrmann-De, Giele, W., Gleisberg, T., Glover, E. W. N., Greiner, N., Guffanti, A., Guillet, J. -Ph., van Hameren, A., Heinrich, G., Hoeche, S., Huber, M., Jaquier, M., Kallweit, S., Karg, S., Kauer, N., Krauss, F., Latorre, J. I., Lazopoulos, A., Lenzi, P., Luisoni, G., Mackeprang, R., Magnea, L., Maitre, D., Majumder, D., Malamos, I., Maltoni, F., Mazumdar, K., Nadolsky, P., Nason, P., Oleari, C., Olness, F., Papadopoulos, C. G., Passarino, G., Pilon, E., Pozzorini, S., Reiter, T., Reuter, J., Rodgers, M., Rodrigo, G., Rojo, J., Sanguinetti, G., Schilling, F. -P., Schumacher, M., Schumann, S., Schwienhorst, R., Skands, P., Stenzel, H., Stoeckli, F., Thorne, R., Ubiali, M., Uwer, P., Vicini, A., Warsinsky, M., Watt, G., Weng, J., Wigmore, I., Weinzierl, S., Winter, J., Worek, M., and Zanderighi, G.
Subjects: High Energy Physics - Phenomenology
Abstract: This report summarizes the activities of the SM and NLO Multileg Working Group of the Workshop "Physics at TeV Colliders", Les Houches, France 8-26 June, 2009., Comment: 169 pages, Report of the SM and NLO Multileg Working Group for the Workshop "Physics at TeV Colliders", Les Houches, France 8-26 June, 2009
Published: 2010

19. Proceedings of the workshop: HERA and the LHC workshop series on the implications of HERA for LHC physics

Author: Jung, H., De Roeck, A., Ajaltouni, Z. J., Albino, S., Altarelli, G., Ambroglini, F., Anderson, J., Antchev, G., Arneodo, M., Aspell, P., Avati, V., Bahr, M., Bacchetta, A., Bagliesi, M. G., Ball, R. D., Banfi, A., Baranov, S., Bartalini, P., Bartels, J., Bechtel, F., Berardi, V., Berretti, M., Beuf, G., Biasini, M., Bierenbaum, I., Blumlein, J., Blair, R. E., Bombonati, C., Boonekamp, M., Bottigli, U., Boutle, S., Bozzo, M., Brucken, E., Bracinik, J., Bruni, A., Bruno, G. E., Buckley, A., Bunyatyan, A., Burkhardt, H., Bussey, P., Buzzo, A., Cacciari, M., Cafagna, F., Calicchio, M., Caola, F., Catanesi, M. G., Catastini, P. L., Cecchi, R., Ceccopieri, F. A., Cerci, S., Chekanov, S., Chierici, R., Ciafaloni, M., Ciocci, M. A., Coco, V., Colferai, D., Cooper-Sarkar, A., Corcella, G., Czakon, M., Dainese, A., Dasgupta, M., Deak, M., Deile, M., Delsart, P. A., Del Debbio, L., de Roeck, A., Diaconu, C., Diehl, M., Dimovasili, E., Dittmar, M., Dremin, I. M., Eggert, K., Engel, R., Eremin, V., Erhan, S., Ewerz, C., Fano, L., Feltesse, J., Ferrera, G., Ferro, F., Field, R., Forte, S., Garcia, F., Geiser, A., Gelis, F., Giani, S., Gieseke, S., Gigg, M. A., Glazov, A., Golec-Biernat, K., Goulianos, K., Grebenyuk, J., Greco, V., Grellscheid, D., Grindhammer, G., Grothe, M., Guffanti, A., Gwenlan, C., Halyo, V., Hamilton, K., Hautmann, F., Heino, J., Heinrich, G., Hilden, T., Hiller, K., Hollar, J., Janssen, X., Joseph, S., Jung, A. W., Juranek, V., Kaspar, J., Kepka, O., Khoze, V. A., Kiesling, Ch., Klasen, M., Klein, S., Kniehl, B. A., Knutsson, A., Kopal, J., Kramer, G., Krauss, F., Kundrat, V., Kurvinen, K., Kutak, K., Lonnblad, L., Lami, S., Latino, G., Latorre, J. I., Latunde-Dada, O., Lauhakangas, R., Lendermann, V., Lenzi, P., Li, G., Likhoded, A., Lipatov, A., Lippmaa, E., Lokajicek, M., Vetere, M. Lo, Rodriguez, F. Lucas, Luisoni, G., Lytken, E., Muller, K., Macri, M., Magazzu, G., Majhi, A., Majhi, S., Marage, P., Marti, L., Martin, A. D., Meucci, M., Milstead, D. A., Minutoli, S., Nischke, A., Moares, A., Moch, S., Motyka, L., Namsoo, T., Newman, P., Niewiadomski, H., Nockles, C., Noschis, E., Notarnicola, G., Nystrand, J., Oliveri, E., Oljemark, F., Osterberg, K., Orava, R., Oriunno, M., Osman, S., Ostapchenko, S., Palazzi, P., Pedreschi, E., Pereira, A. V., Perrey, H., Petajajarvi, J., Petersen, T., Piccione, A., Pierog, T., Pinfold, J. L., Piskounova, O. I., Platzer, S., Quinto, M., Rurikova, Z., Radermacher, E., Radescu, V., Radicioni, E., Ravotti, F., Rella, G., Richardson, P., Robutti, E., Rodrigo, G., Rodrigues, E., Rogal, M., Rogers, T. C., Rojo, J., Roloff, P., Ropelewski, L., Rosemann, C., Royon, Ch., Ruggiero, G., Rummel, A., Ruspa, M., Ryskin, M. G., Salek, D., Slominski, W., Saarikko, H., Vera, A. Sabio, Sako, T., Salam, G. P., Saleev, V. A., Sander, C., Sanguinetti, G., Santroni, A., Schorner-Sadenius, Th., Schicker, R., Schienbein, I., Schmidke, W. B., Schwennsen, F., Scribano, A., Sette, G., Seymour, M. H., Sherstnev, A., Sjostrand, T., Snoeys, W., Somogyi, G., Sonnenschein, L., Soyez, G., Spiesberger, H., Spinella, F., Squillacioti, P., Stasto, A. M., Starodumov, A., Stenzel, H., Stephens, Ph., Ster, A., Stocco, D., Strikman, M., Taylor, C., Teubner, T., Thorne, R. S., Trocsanyi, Z., Treccani, M., Treleani, D., Trentadue, L., Trummal, A., Tully, J., Tung, W. K., Turcato, M., Turini, N., Ubiali, M., Valkarova, A., van Hameren, A., Van Mechelen, P., Vermaseren, J. A. M., Vogt, A., Ward, B. F. L., Watt, G., Webber, B. R., Weiss, Ch., White, Ch., Whitmore, J., Wolf, R., Wu, J., Yagues-Molina, A., Yost, S. A., Zanderighi, G., Zotov, N., and Nedden, M. zur
Subjects: High Energy Physics - Phenomenology
Abstract: 2nd workshop on the implications of HERA for LHC physics. Working groups: Parton Density Functions Multi-jet final states and energy flows Heavy quarks (charm and beauty) Diffraction Cosmic Rays Monte Carlos and Tools, Comment: 2nd workshop on the implications of HERA for LHC physics 2006 - 2008, Hamburg - Geneva. H. Jung and A. De Roeck Editors
Published: 2009

20. Parton Distributions

Author: Dittmar, M., Forte, S., Glazov, A., Moch, S., Altarelli, G., Anderson, J., Ball, R. D., Beuf, G., Boonekamp, M., Burkhardt, H., Caola, F., Ciafaloni, M., Colferai, D., Cooper-Sarkar, A., de Roeck, A., Del Debbio, L., Feltesse, J., Gelis, F., Grebenyuk, J., Guffanti, A., Halyo, V., Latorre, J. I., Lendermann, V., Li, Gang, Motyka, L., Petersen, T., Piccione, A., Radescu, V., Rogal, M., Rojo, J., Royon, C., Salam, G. P., Salek, D., Stasto, A. M., Thorne, R. S., Ubiali, M., Vermaseren, J. A. M., Vogt, A., Watt, G., and White, C. D.
Subjects: High Energy Physics - Phenomenology
Abstract: We provide an assessment of the state of the art in various issues related to experimental measurements, phenomenological methods and theoretical results relevant for the determination of parton distribution functions (PDFs) and their uncertainties, with the specific aim of providing benchmarks of different existing approaches and results in view of their application to physics at the LHC. We discuss higher order corrections, we review and compare different approaches to small x resummation, and we assess the possible relevance of parton saturation in the determination of PDFS at HERA and its possible study in LHC processes. We provide various benchmarks of PDF fits, with the specific aim of studying issues of error propagation, non-gaussian uncertainties, choice of functional forms of PDFs, and combination of data from different experiments and different processes. We study the impact of combined HERA (ZEUS-H1) structure function data, their impact on PDF uncertainties, and their implications for the computation of standard candle processes, and we review the recent F_L determination at HERA. Finally, we compare and assess methods for luminosity measurements at the LHC and the impact of PDFs on them., Comment: 99 pages, 61 figures; summary report of Working Group I for the HERA-LHC workshop. Requires cernrep.cls and mcite.sty. Various typos corrected
Published: 2009

21. Recent progress on NNPDF for LHC

Author: NNPDF Collaboration, Ubiali, M., Ball, R. D., Del Debbio, L., Forte, S., Guffanti, A., Latorre, J. I., Piccione, A., and Rojo, J.
Subjects: High Energy Physics - Phenomenology
Abstract: We present recent results of the NNPDF collaboration on a full DIS analysis of Parton Distribution Functions (PDFs). Our method is based on the idea of combining a Monte Carlo sampling of the probability measure in the space of PDFs with the use of neural networks as unbiased universal interpolating functions. The general structure of the project and the features of the fit are described and compared to those of the traditional approaches., Comment: 4 pages, 6 figures, contribution for the proceedings of the conference "Rencontres de Moriond, QCD and High Energy Interactions"
Published: 2008

22. 12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD

Author: Bartels, J., Borras, K., Diehl, M., Jung, H., Abramowicz, H., Albacete, J., Alvarez-Gaume, L., Alvarez-Muniz, J., Ball, R D., Belov, K., Bluemer, J., Bluemlein, J., Bonato, A., Braun, M., Brogueira, P., Trinchero, G. C, Conceicao, R., Cudell, J-R., Dainton, J, De Roeck, A., Deile, M., de Deus, J. Dias, Engel, R., Santo, M C. Espirito, Ewerz, C., Fabbri, R., Fadin, V., Falgari, P., Fanò, L., Ferreira, E., Forshaw, J, Forte, S., Frankfurt, L., Dosch, H. G, Gomez, C., Golec-Biernat, K., Goloskokov, S., Goulianos, K., Gustafson, G., Hamilton, A., Hyde, C E., Islam, M., Ivanov, D., Luddy, R. J, Jenkovsky, L., Kaspar, J., Kaidalov, A., Kepka, O., Khoze, V., Klein, M., Kopeliovich, B Z., Kovner, A., Kowalski, H., Kozlov, M., Kretzschmar, J., Kumericki, K., Kundrat, V., Iafelice, P. L, Laycock, P., Lengyel, A., Levin, E., Levy, A., Lipatov, L., Lokajicek, M., Londergan, J., Luszczak, A., Lyuboshitz, V L., Mueller, D., Martin, A D., Martynov, E., Marzani, S., Meggiolaro, E., Munier, S., Nachtmann, O., Namsoo, T., Newman, P., Nicolescu, B., Nystrand, J., Passek-Kumericki, K., Pierog, T., Pilkington, A., Pimenta, M., Pire, B., Povh, B, Roehrich, D., Royon, C., Ryskin, M G., Vera, A. Sabio, Salvadore, M., Sbarra, C., Schuessler, F., Schicker, R., Schmidt, I., Schoeffel, L., Schwennsen, F., Segond, M., Selyugin, O V., Seymour, M., Shoshi, A., Stasto, A., Strikman, M., Surrow, B., Szczepaniak, A P., Szczurek, A., Szymanowski, L., Tasevsky, M., Tavanfar, A., Togawa, M., Tricomi, A., Ulrich, R., Unger, M., Lyuboshitz, V. V, Vazquez-Mozo, M A., Vacca, G P., von Manteuffel, A., Vyazovsky, M I., Wallon, S., Watt, G., Weiss, C., Werner, K., and Xiao, B W.
Subjects: High Energy Physics - Phenomenology
Abstract: Proceedings of the 12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD, Comment: Proceedings of the 12th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Forward Physics and QCD, 549 pages replaced to include list of conveners
Published: 2007

23. BFKL at NNLO

Author: Marzani, S., Ball, R. D., Falgari, P., and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We present a recent determination of an approximate expression for the O(alpha_s^3) contribution chi_2 to the kernel of the BFKL equation. This includes all collinear and anticollinear singular contributions and is derived using duality relations between the GLAP and BFKL kernels., Comment: 8 pages. Talk presented at 12th International Conference on Elastic and Diffractive Scattering: Forward Physics and QCD, Hamburg, DESY, Germany, 21-25 May 2007
Published: 2007

24. Progress on neural parton distributions

Author: NNPDF Collaboration, Rojo, J., Ball, R. D., Del Debbio, L., Forte, S., Guffanti, A., Latorre, J. I., Piccione, A., and Ubiali, M.
Subjects: High Energy Physics - Phenomenology
Abstract: We give a status report on the determination of a set of parton distributions based on neural networks. In particular, we summarize the determination of the nonsinglet quark distribution up to NNLO, we compare it with results obtained using other approaches, and we discuss its use for a determination of $\alpha_s$., Comment: 4 pages, 2 figs, uses dis2007.cls, to appear in the DIS 2007 workshop proceedings
Published: 2007

25. Tests of the Standard Model with Low-Energy Neutrino Beams

Author: Antonelli, V., Battistoni, G., Ferrario, P., and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We discuss the possibility of using future high--intensity low--energy neutrino beams for precision tests of the Standard Model. In particular we consider the determination of the electroweak mixing angle from elastic and quasi--elastic neutrino--nucleon scattering at a superbeam or $\beta$--beam., Comment: 4 pages, 1 figure. Use the style file espcrc2.sty. A shortened version of the paper will appear on Nucl. Phys. B Proc. Suppl., Proceedings of the Conference NOW (Neutrino Oscillation Workshop) 2006
Published: 2007
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26. HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part A

Author: Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., Avati, V., Baines, J., Ball, R. D., Banfi, A., Baranov, S. P., Bartels, J., Behnke, O., Bellan, R., Blumlein, J., Bottcher, H., Bolognesi, S., Boonekamp, M., Bourilkov, D., Bracinik, J., Bruni, A., Bruni, G., Buckley, A., Bunyatyan, A., Buttar, C. M., Butterworth, J. M., Butterworth, S., Cacciari, M., Carli, T., Cerminara, G., Chekanov, S., Ciafaloni, M., Colferai, D., Collins, J., Cooper-Sarkar, A., Corcella, G., Corradi, M., Cox, B. E., Croft, R., Czyczula, Z., Dainese, A., Dasgupta, M., Davatz, G., Del Debbio, L., Delenda, Y., De Roeck, A., Diehl, M., Diglio, S., Dissertori, G., Dittmar, M., Ellis, J., Eskola, K. J., Eynck, T. O., Feltesse, J., Ferro, F., Field, R. D., Forshaw, J., Forte, S., Geiser, A., Gieseke, S., Glazov, A., Gleisberg, T., Golonka, P., Gotsman, E., Grindhammer, G., Grothe, M., Group, C., Groys, M., Guffanti, A., Gustafson, G., Gwenlan, C., Hoche, S., Hogg, C., Huston, J., Iacobucci, G., Ingelman, G., Jadach, S., Jung, H., Kalliopuska, J., Kapishin, M., Kersevan, B., Khoze, V., Klasen, M., Klein, M., Kniehl, B. A., Kolhinen, V. J., Kowalski, H., Kramer, G., Krauss, F., Kretzer, S., Kutak, K., Lamsa, J. W., Lonnblad, L., Lastovicka, T., Lastovicka-Medin, G., Laenen, E., Lagouri, Th., Latorre, J. I., Lavesson, N., Lendermann, V., Levin, E., Levy, A., Lipatov, A. V., Lublinsky, M., Lytkin, L., Maki, T., Magnea, L., Maltoni, F., Mangano, M., Maor, U., Mariotti, C., Marola, N., Martin, A. D., Meyer, A., Moch, S., Monk, J., Moraes, A., Morsch, A., Motyka, L., Naftali, E., Newman, P., Nikitenko, A., Oljemark, F., Orava, R., Ottela, M., Osterberg, K., Peters, K., Petrucci, F., Piccione, A., Pilkington, A., Piotrzkowski, K., Piskounova, O. I., Proskuryakov, A., Prygarin, A., Pumplin, J., Rabbertz, K., Ranieri, R., Ravindran, V., Reisert, B., Richter-Was, E., Rinaldi, L., Robbe, P., Rodrigues, E., Rojo, J., Ruiz, H., Ruspa, M., Ryskin, M. G., Vera, A. Sabio, Salam, G. P., Schalicke, A., Schatzel, S., Schorner-Sadenius, T., Schienbein, I., Schilling, F-P., Schumann, S., Seymour, M. H., Siegert, F., Sjostrand, T., Skrzypek, M., Smith, J., Smizanska, M., Spiesberger, H., Schrempp, F., Stasto, A., Stenzel, H., Stirling, W. J., Szczypka, P., Tapprogge, S., Targett-Adams, C., Tasevsky, M., Teubner, T., Thorne, R. S., Tonazzo, A., Tricoli, A., Tuning, N., Turnau, J., Uwer, U., Van Mechelen, P., Venugopalan, R., Verducci, M., Vermaseren, J. A. M., Vogt, A., Vogt, R., Ward, B. F. L., Was, Z., Watt, G., Waugh, B. M., Weiser, C., Whalley, M. R., Wing, M., Winter, J., Yost, S. A., Zanderighi, G., and Zotov, N. P.
Subjects: High Energy Physics - Phenomenology
Abstract: The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to increase the total integrated luminosity per experiment to more than 500 pb$^{-1}$. HERA has been a machine of excellence for the study of QCD and the structure of the proton. The Large Hadron Collider (LHC), which will collide protons with a centre-of-mass energy of 14 TeV, will be completed at CERN in 2007. The main mission of the LHC is to discover and study the mechanisms of electroweak symmetry breaking, possibly via the discovery of the Higgs particle, and search for new physics in the TeV energy scale, such as supersymmetry or extra dimensions. Besides these goals, the LHC will also make a substantial number of precision measurements and will offer a new regime to study the strong force via perturbative QCD processes and diffraction. For the full LHC physics programme a good understanding of QCD phenomena and the structure function of the proton is essential. Therefore, in March 2004, a one-year-long workshop started to study the implications of HERA on LHC physics. This included proposing new measurements to be made at HERA, extracting the maximum information from the available data, and developing/improving the theoretical and experimental tools. This report summarizes the results achieved during this workshop., Comment: Part A: plenary presentations, WG1: parton density functions, WG2: Multi-Jet final states and energy flows. 326 pages Part B: WG3: Heavy Quarks (Charm and Beauty), WG4: Diffraction, WG5: Monte Carlo Tools, 330 pages
Published: 2006

27. HERA and the LHC - A workshop on the implications of HERA for LHC physics: Proceedings - Part B

Author: Alekhin, S., Altarelli, G., Amapane, N., Andersen, J., Andreev, V., Arneodo, M., Avati, V., Baines, J., Ball, R. D., Banfi, A., Baranov, S. P., Bartels, J., Behnke, O., Bellan, R., Blumlein, J., Bottcher, H., Bolognesi, S., Boonekamp, M., Bourilkov, D., Bracinik, J., Bruni, A., Bruni, G., Buckley, A., Bunyatyan, A., Buttar, C. M., Butterworth, J. M., Butterworth, S., Cacciari, M., Carli, T., Cerminara, G., Chekanov, S., Ciafaloni, M., Colferai, D., Collins, J., Cooper-Sarkar, A., Corcella, G., Corradi, M., Cox, B. E., Croft, R., Czyczula, Z., Dainese, A., Dasgupta, M., Davatz, G., Del Debbio, L., Delenda, Y., De Roeck, A., Diehl, M., Diglio, S., Dissertori, G., Dittmar, M., Ellis, J., Eskola, K. J., Eynck, T. O., Feltesse, J., Ferro, F., Field, R. D., Forshaw, J., Forte, S., Geiser, A., Gieseke, S., Glazov, A., Gleisberg, T., Golonka, P., Gotsman, E., Grindhammer, G., Grothe, M., Group, C., Groys, M., Guffanti, A., Gustafson, G., Gwenlan, C., Hoche, S., Hogg, C., Huston, J., Iacobucci, G., Ingelman, G., Jadach, S., Jung, H., Kalliopuska, J., Kapishin, M., Kersevan, B., Khoze, V., Klasen, M., Klein, M., Kniehl, B. A., Kolhinen, V. J., Kowalski, H., Kramer, G., Krauss, F., Kretzer, S., Kutak, K., Lamsa, J. W., Lonnblad, L., Lastovicka, T., Lastovicka-Medin, G., Laenen, E., Lagouri, Th., Latorre, J. I., Lavesson, N., Lendermann, V., Levin, E., Levy, A., Lipatov, A. V., Lublinsky, M., Lytkin, L., Maki, T., Magnea, L., Maltoni, F., Mangano, M., Maor, U., Mariotti, C., Marola, N., Martin, A. D., Meyer, A., Moch, S., Monk, J., Moraes, A., Morsch, A., Motyka, L., Naftali, E., Newman, P., Nikitenko, A., Oljemark, F., Orava, R., Ottela, M., Osterberg, K., Peters, K., Petrucci, F., Piccione, A., Pilkington, A., Piotrzkowski, K., Piskounova, O. I., Proskuryakov, A., Prygarin, A., Pumplin, J., Rabbertz, K., Ranieri, R., Ravindran, V., Reisert, B., Richter-Was, E., Rinaldi, L., Robbe, P., Rodrigues, E., Rojo, J., Ruiz, H., Ruspa, M., Ryskin, M. G., Vera, A. Sabio, Salam, G. P., Schalicke, A., Schatzel, S., Schorner-Sadenius, T., Schienbein, I., Schilling, F-P., Schumann, S., Seymour, M. H., Siegert, F., Sjostrand, T., Skrzypek, M., Smith, J., Smizanska, M., Spiesberger, H., Schrempp, F., Stasto, A., Stenzel, H., Stirling, W. J., Szczypka, P., Tapprogge, S., Targett-Adams, C., Tasevsky, M., Teubner, T., Thorne, R. S., Tonazzo, A., Tricoli, A., Tuning, N., Turnau, J., Uwer, U., Van Mechelen, P., Venugopalan, R., Verducci, M., Vermaseren, J. A. M., Vogt, A., Vogt, R., Ward, B. F. L., Was, Z., Watt, G., Waugh, B. M., Weiser, C., Whalley, M. R., Wing, M., Winter, J., Yost, S. A., Zanderighi, G., and Zotov, N. P.
Subjects: High Energy Physics - Phenomenology
Abstract: The HERA electron--proton collider has collected 100 pb$^{-1}$ of data since its start-up in 1992, and recently moved into a high-luminosity operation mode, with upgraded detectors, aiming to increase the total integrated luminosity per experiment to more than 500 pb$^{-1}$. HERA has been a machine of excellence for the study of QCD and the structure of the proton. The Large Hadron Collider (LHC), which will collide protons with a centre-of-mass energy of 14 TeV, will be completed at CERN in 2007. The main mission of the LHC is to discover and study the mechanisms of electroweak symmetry breaking, possibly via the discovery of the Higgs particle, and search for new physics in the TeV energy scale, such as supersymmetry or extra dimensions. Besides these goals, the LHC will also make a substantial number of precision measurements and will offer a new regime to study the strong force via perturbative QCD processes and diffraction. For the full LHC physics programme a good understanding of QCD phenomena and the structure function of the proton is essential. Therefore, in March 2004, a one-year-long workshop started to study the implications of HERA on LHC physics. This included proposing new measurements to be made at HERA, extracting the maximum information from the available data, and developing/improving the theoretical and experimental tools. This report summarizes the results achieved during this workshop., Comment: Part A: plenary presentations, WG1: parton density functions, WG2: Multi-Jet final states and energy flows. 326 pages Part B: WG3: Heavy Quarks (Charm and Beauty), WG4: Diffraction, WG5: Monte Carlo Tools, 330 pages. Figure 6 on page 411 replaced
Published: 2006

28. Parton Distributions: Summary Report

Author: Dittmar, M., Forte, S., Glazov, A., Moch, S., Alekhin, S., Altarelli, G., Andersen, J., Ball, R. D., Blumlein, J., Bottcher, H., Carli, T., Ciafaloni, M., Colferai, D., Cooper-Sarkar, A., Corcella, G., Del Debbio, L., Dissertori, G., Feltesse, J., Guffanti, A., Gwenlan, C., Huston, J., Ingelman, G., Klein, M., Latorre, J. I., Lastovicka, T., Lastovicka-Medin, G., Magnea, L., Piccione, A., Pumplin, J., Ravindran, V., Reisert, B., Rojo, J., Vera, A. Sabio, Salam, G. P., Siegert, F., Stasto, A., Stenzel, H., Targett-Adams, C., Thorne, R. S., Tricoli, A., Vermaseren, J. A. M., and Vogt, A.
Subjects: High Energy Physics - Phenomenology
Abstract: We provide an assessment of the impact of parton distributions on the determination of LHC processes, and of the accuracy with which parton distributions (PDFs) can be extracted from data, in particular from current and forthcoming HERA experiments. We give an overview of reference LHC processes and their associated PDF uncertainties, and study in detail W and Z production at the LHC. We discuss the precision which may be obtained from the analysis of existing HERA data, tests of consistency of HERA data from different experiments, and the combination of these data. We determine further improvements on PDFs which may be obtained from future HERA data (including measurements of $F_L$), and from combining present and future HERA data with present and future hadron collider data. We review the current status of knowledge of higher (NNLO) QCD corrections to perturbative evolution and deep-inelastic scattering, and provide reference results for their impact on parton evolution, and we briefly examine non-perturbative models for parton distributions. We discuss the state-of-the art in global parton fits, we assess the impact on them of various kinds of data and of theoretical corrections, by providing benchmarks of Alekhin and MRST parton distributions and a CTEQ analysis of parton fit stability, and we briefly presents proposals for alternative approaches to parton fitting. We summarize the status of large and small x resummation, by providing estimates of the impact of large x resummation on parton fits, and a comparison of different approaches to small x resummation, for which we also discuss numerical techniques., Comment: Report of Working Group I for the HERA-LHC Workshop
Published: 2005

29. A determination of alpha_s from scaling violations with truncated moments

Author: Forte, S., Latorre, J. I., Magnea, L., and Piccione, A.
Subjects: High Energy Physics - Phenomenology
Abstract: We describe a determination of the strong coupling alpha_s(M_Z) from scaling violations of the nonsinglet DIS structure function, which is based on two novel techniques aimed at controlling and minimizing the theoretical error: a neural network parametrization of BCDMS and NMC data, and QCD evolution by means of truncated Mellin moments., Comment: 5 pages, no figures. Talk given by L. Magnea at QCD02, Montpellier, July 2002
Published: 2002
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30. The QCD/SM Working Group: Summary Report

Author: Alekhin, S., Balazs, C., Ball, R., Binoth, T., Boos, E., Botje, M., Cacciari, M., Catani, S., Del Duca, V., Dobbs, M., Ellis, S. D., Field, R., de Florian, D., Forte, S., Gardi, E., Gehrmann, T., Ridder, A. Gehrmann-De, Giele, W., Glover, E. W. N., Grazzini, M., Guillet, J. -Ph., Heinrich, G., Huston, J., Hinchliffe, I., Ilyin, V., Kanzaki, J., Kato, K., Kersevan, B., Kidonakis, N., Kulesza, A., Kurihara, Y., Laenen, E., Lassila-Perini, K., Lonnblad, L., Magnea, L., Mangano, M., Mazumudar, K., Moch, S., Mrenna, S., Nadolsky, P., Nason, P., Olness, F., Paige, F., Pilon, E., Puljak, I., Pumplin, J., Richter-Was, E., Salam, G., Scalise, R., Seymour, M., Sjostrand, T., Sterman, G., Tonnesmann, M., Tournefier, E., Vogelsang, W., Vogt, A., Vogt, R., Webber, B., Yuan, C. -P., and Zeppenfeld, D.
Subjects: High Energy Physics - Phenomenology
Abstract: This Report documents the results obtained by the Working Group on Quantum ChromoDynamics and the Standard Model for the Workshop ``Physics at TeV Colliders'', Les Houches, France, 21 May - 1 June 2001. The account of uncertainties in Parton Distribution Functions is reviewed. Progresses in the description of multiparton final states at Next-to-Leading Order and the extension of calculations for precision QCD observables beyond this order are summarized. Various issues concerning the relevance of resummation for observables at TeV colliders is examined. Improvements to algorithms of jet reconstruction are discussed and predictions for diphoton and photon pi-zero production at the LHC are made for kinematic variables of interest regarding searches for a Higgs boson decaying into two photons. Finally, several improvements implemented in Monte-Carlo event generators are documented.
Published: 2002

31. Old and new physics interpretations of the NuTeV anomaly

Author: Davidson, S., Forte, S., Gambino, P., Rius, N., and Strumia, A.
Subjects: High Energy Physics - Phenomenology
Abstract: We discuss whether the NuTeV anomaly can be explained, compatibly with all other data, by QCD effects (maybe, if the strange sea is asymmetric, or there is a tiny violation of isospin), new physics in propagators or couplings of the vector bosons (not really), loops of supersymmetric particles (no), dimension six operators (yes, for one specific SU(2)-invariant operator), leptoquarks (not in a minimal way), extra U(1) gauge bosons (maybe: an unmixed Z' coupled to B-3L_mu also increases the muon g-2 by about 10^{-9} and gives a `burst' to cosmic rays above the GZK cutoff)., Comment: 22 pages, 4 figures. Final version; note added about oscillations. Version 4: note added at page 20 (not present in the published version), about QCD interpretations of the NuTeV anomaly
Published: 2001
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32. Physics at the front-end of a neutrino factory: a quantitative appraisal

Author: Mangano, M. L., Alekhin, S. I., Anselmino, M., Ball, R. D., Boglione, M., D'Alesio, U., Davidson, S., DeLellis, G., Ellis, J., Forte, S., Gambino, P., Gehrmann, T., Kataev, A. L., Kotzinian, A., Kulagin, S. A., Lehmann-Dronke, B., Migliozzi, P., Murgia, F., and Ridolfi, G.
Subjects: High Energy Physics - Phenomenology
Abstract: We present a quantitative appraisal of the physics potential for neutrino experiments at the front-end of a muon storage ring. We estimate the forseeable accuracy in the determination of several interesting observables, and explore the consequences of these measurements. We discuss the extraction of individual quark and antiquark densities from polarized and unpolarized deep-inelastic scattering. In particular we study the implications for the undertanding of the nucleon spin structure. We assess the determination of alpha_s from scaling violation of structure functions, and from sum rules, and the determination of sin^2(theta_W) from elastic nu-e and deep-inelastic nu-p scattering. We then consider the production of charmed hadrons, and the measurement of their absolute branching ratios. We study the polarization of Lambda baryons produced in the current and target fragmentation regions. Finally, we discuss the sensitivity to physics beyond the Standard Model., Comment: 73+1 pages, 33 figs. Report of the nuDIS Working Group for the ECFA-CERN Neutrino-Factory study, M.L. Mangano (convener)
Published: 2001

33. Realization of symmetries and the c-theorem

Author: Forte, S. and Latorre, J. I.
Subjects: High Energy Physics - Theory, High Energy Physics - Phenomenology
Abstract: We discuss the relation between the $c$--theorem and the the way various symmetries are realized in quantum field theory. We review our recent proof of the $c$--theorem in four dimensions. Based on this proof and further evidence, we conjecture that the realization of chiral symmetry be irreversible, flowing from the Wigner-Weyl realization at short distance to the Nambu--Goldstone realization at long distance. We argue that three apparently independent constraints based on the renormalization group, namely anomaly matching, the c-theorem and the conjectured symmetry realization theorem, are particular manifestations of a single underlying principle., Comment: 12 pages, harvmac, to appear in Proceedings of the Faro Workshop on Exact Renormalization Group
Published: 1998

34. Theoretical Analysis of Polarized Structure Functions

Author: Altarelli, G., Ball, R. D., Forte, S., and Ridolfi, G.
Subjects: High Energy Physics - Phenomenology
Abstract: We review the analysis of polarized structure function data using perturbative QCD at next-to-leading order. We use the most recent experimental data to obtain updated results for polarized parton distributions, first moments and the strong coupling. We also discuss several theoretical issues involved in this analysis and in the interpretation of its results. Finally, we compare our results with other similar analyses in the recent literature., Comment: 29 pages, Latex, uses epsfig, 11 eps figures included. Talks given by G. Altarelli and G. Ridolfi at the Cracow Epiphany Conference on Spin Effects in Particle Physics, January 9-11, 1998, Cracow, Poland. Fig. 5 added and a few typos corrected
Published: 1998

35. Asymptotically Free Partons at High Energy

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Theory
Abstract: We describe the application of renormalization group improved perturbative QCD to inelastic lepton-hadron scattering at high center-of-mass energy but comparatively low photon virtuality. We construct a high energy factorization theorem which complements the mass factorization theorem used for processes with high virtualities. From it we derive a renormalization group equation which resums all large logarithms at high energy, thereby extending to this regime asymptotic freedom and thus the full range of perturbative computational techniques. We discuss the solution of this equation in various limits, and in particular show that the high energy behaviour of physical cross-sections is consistent with phenomenological expectations and unitarity bounds., Comment: 16 pages, TeX with harvmac, 6 figures in encapsulated postscript, final version
Published: 1997
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36. A Next-to-Leading Determination of the Singlet Axial Charge and the Polarized Gluon Content of the Nucleon

Author: Ball, R. D., Forte, S., and Ridolfi, G.
Subjects: High Energy Physics - Phenomenology
Abstract: We perform a full next-to-leading analysis of the the available experimental data on the polarized structure function g_1 of the nucleon, and give a precise determination of its singlet axial charge together with a thorough assessment of the theoretical uncertainties. We find that the data are now sufficient to separately determine first moments of the polarized quark and gluon distributions, and show in particular that the gluon contribution is large and positive., Comment: 19 pages, TeX with harvmac and epsf, 4 figures in compressed postscript. All the data analysis redone incorporating a recent correction to the NLO anomalous dimensions of Mertig and van Neerven. Eq.(15) modified accordingly. All numerical results and conclusions essentially unchanged
Published: 1995
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37. Momentum Conservation at Small x

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We discuss how momentum conservation is implemented in perturbative computations based on expansions of anomalous dimensions appropriate at small $x$. We show that for any given choice of $F_2$ coefficient functions there always exists a factorization scheme where the gluon is defined in such a way that momentum is conserved at next to leading order., Comment: 11 pages, plain TeX with harvmac
Published: 1995
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38. Scheme Dependence at Small x

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We discuss the evolution of F_2^p at small x, emphasizing the uncertainties related to expansion, fitting, renormalization and factorization scheme dependence. We find that perturbative extrapolation from the measured region down to smaller x and lower Q^2 may become strongly scheme dependent., Comment: 8 pages, LaTeX with epsfig, 2 uuencoded figures
Published: 1995

39. Determination of alpha_s from F_2^p at HERA

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We compute the proton structure function F_2^p at small x and large Q^2 at next-to-leading order in alpha_s(Q^2), including summations of all leading and subleading logarithms of Q^2 and 1/x in a way consistent with momentum conservation. We perform a detailed comparison to the 1993 HERA data, and show that they may be used to determine alpha_s(M_Z^2)=0.120 pm 0.005(exp) pm 0.009(th). The theoretical error is dominated by the renormalization and factorization scheme ambiguities., Comment: 24 pages, TeX with harvmac and epsf, 10 figures in compressed postscript. Final (published) version
Published: 1995
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40. Next-to-Leading Order Structure Function Evolution at Small x and Large Q^2

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We show that a unified approach to the perturbative evolution of structure functions which sums all logarithms of Q^2 and 1/x at leading and next-to-leading order yields results in full agreement with the 1993 HERA data for F_2. This makes it possible to determine alpha_s surprisingly accurately from these data alone., Comment: 7 pages, TeX with harvmac and epsf, 2 figures in compressed postscript
Published: 1995

41. Scale Dependence and Small-x Behaviour of Polarized Parton Distributions

Author: Ball, R. D., Forte, S., and Ridolfi, G.
Subjects: High Energy Physics - Phenomenology
Abstract: We discuss perturbative evolution of the polarized structure function g_1 in the (x,Q^2) plane, with special regard to the small-x region. We determine g_1 in terms of polarized quark and gluon distributions using coefficient functions to order alpha_s. At small x g_1 then displays substantial scale dependence, which necessarily implies a corresponding scale dependence in the large-x region. This scale dependence has significant consequences for the extraction of the first moment from the experimental data, reducing its value while increasing the error. Conversely, the scale dependence may be used to constrain the size of the polarized gluon distribution., Comment: 27 pages, TeX with harvmac, 3 figures in compressed postscript. Final version, to be published in Nucl. Phys. B
Published: 1995
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42. Summation of Leading Logarithms at Small x

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We show how perturbation theory may be reorganized to give splitting functions which include order by order convergent sums of all leading logarithms of $x$. This gives a leading twist evolution equation for parton distributions which sums all leading logarithms of $x$ and $Q^2$, allowing stable perturbative evolution down to arbitrarily small values of $x$. Perturbative evolution then generates the double scaling rise of $F_2$ observed at HERA, while in the formal limit $x\to 0$ at fixed $Q^2$ the Lipatov $x^{-\lambda}$ behaviour is eventually reproduced. We are thus able to explain why leading order perturbation theory works so well in the HERA region., Comment: 21 pages, TeX with harvmac, 3 figures in compressed postscript. Final published version (several minor corrections)
Published: 1995
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43. The Rise in F_2^p at HERA

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We show that the rise in $F_2^p$ at small $x$ and large $Q^2$ seen at HERA is indeed the non-Regge double asymptotic scaling behaviour expected from the perturbative emission of strongly ordered hard gluons. An alternative explanation, in which there is no strong ordering, and a new hard Reggeon is generated, is also tried but found wanting: its theoretical short-comings are betrayed by its failure to properly account for the HERA data., Comment: 7 pages, TeX with harvmac, 6 figures in compressed postscript, CERN-TH.7421/94
Published: 1994

44. Calculating F_2^p at small x and large Q^2

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: We show that the double asymptotic scaling of the HERA structure function data is consistent with pre-HERA data at larger $x$, soft pomeron behaviour at small $x$ and a sensible starting scale $Q_0$. We can thus actually calculate $F_2^p$ at small $x$ and large $Q^2$ by evolving up perturbatively at two loops, without any fitting., Comment: 7 pages, TeX with harvmac, 4 figures in compressed postscript, CERN-TH.7422/94
Published: 1994
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45. A Direct Test of Perturbative QCD at Small x

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: We show that recent data from HERA on the proton structure function $F_2$ at small $x$ and large $Q^2$ provide a direct confirmation of the double asymptotic scaling prediction of perturbative QCD. A linear rise of $\ln F_2$ with the scaling variable $\sigma$ is observed throughout the kinematic region probed at HERA, and the measured slope is in excellent agreement with the QCD prediction. This provides a direct determination of the leading coefficient of the beta function. At large values of the scaling variable $\rho$ the data display a small but statistically significant scaling violation., Comment: 6 pages, 3 figures in compressed postscript, TeX with harvmac, CERN-TH.7331/94, error in specification of cuts corrected
Published: 1994
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46. Double Asymptotic Scaling at HERA

Author: Ball, R. D. and Forte, S.
Subjects: High Energy Physics - Phenomenology
Abstract: Perturbative QCD predicts that at sufficiently large $Q^2$ and small $x$ nucleon structure functions should exhibit scaling in the two variables $\sqrt{\ln\smallfrac{1}{x}\ln\ln Q^2}$ and $\sqrt{\ln\smallfrac{1}{x}\big/\ln\ln Q^2}$, provided only that the small-$x$ behaviour of the input to the perturbative QCD evolution is sufficiently soft. We derive these asymptotic results by writing the gluonic Altarelli--Parisi equation at small $x$ as a two--dimensional wave equation, which propagates the gluon distribution from its boundaries into the asymptotic region. We then show that the existing experimental data on $F_2^p(x,Q^2)$ from HERA provide a remarkable confirmation of both of these scaling predictions. The so--called `hard' pomeron, which does not scale, may thus be excluded by more than three standard deviations, at least in the presently accessible kinematical regime. We propose that existing and future data from HERA should be binned in the two scaling variables, in order to search for scaling violations., Comment: 15 pages, 10 figures in compressed postscript, TeX with harvmac, CERN-TH.7265/94, normalization error corrected, and a few minor revisions
Published: 1994
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47. Anomalous Evolution of Nonsinglet Nucleon Structure Functions

Author: Ball, R. D., Barone, V., Forte, S., and Genovese, M.
Subjects: High Energy Physics - Phenomenology
Abstract: We calculate the scale dependence of nonsinglet nucleon structure functions. Due to anomalous axial symmetry breaking a large flavour asymmetry of the quark--antiquark sea is generated nonperturbatively. This produces a strong scale dependence of the nonsinglet structure function in an intermediate range of $Q^2$. Evolving nonperturbatively a pure valence distribution from an infrared scale we can thus compute $F_2^p-F_2^n$ as measured by the NMC, and give detailed predictions for its $Q^2$ dependence at fixed $x$. We also compare our results with Drell--Yan data., Comment: 13, harvmac 6 figures, CERN-TH.7189/94 and DFTT 02/94
Published: 1994
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48. Snowmass 2021 White Paper: Electron Ion Collider for High Energy Physics

Author: Abdul Khalek, R., D Alesio, U., Arratia, Miguel, Bacchetta, A., Battaglieri, M., Begel, M., Boglione, M., Boughezal, R., Boussarie, Renaud, Bozzi, G., Chekanov, S. V., Francesco Giovanni Celiberto, Chirilli, G., Cridge, T., Cruz-Torres, R., Corliss, R., Cotton, C., Davoudiasl, H., Deshpande, A., Dong, Xin, Emmert, A., Fazio, S., Forte, S., Furletova, Yulia, Gal, Ciprian, Gwenlan, Claire, Guzey, V., Harland-Lang, L. A., Helenius, I., Hentschinski, M., Hobbs, Timothy J., Höche, S., Hou, T. -J, Ji, Y., Jing, X., Kelsey, M., Klasen, M., Kang, Zhong-Bo, Kovchegov, Y. V., Kumar, K. S., Lappi, Tuomas, Lee, K., Lee, Yen-Jie, Li, H. -T, Li, X., Lin, H. -W, Liu, H., Liu, Z. L., Liuti, S., Lorcé, C., Lunghi, E., Marcarelli, R., Magill, S., Makris, Y., Mantry, S., Melnitchouk, W., Mezrag, C., Moch, S., Moutarde, H., Mukherjee, Swagato, Murgia, F., Nachman, B., Nadolsky, P. M., Nam, J. D., Neill, D., Neill, E. T., Nocera, E., Nycz, M., Olness, F., Petriello, F., Pitonyak, D., Plätzer, S., Prestel, Stefan, Prokudin, Alexei, Qiu, J., Radici, M., Radhakrishnan, S., Sadofyev, A., Rojo, J., Ringer, F., Salazar, Farid, Sato, N., Schenke, Björn, Schlichting, Sören, Schweitzer, P., Sekula, S. J., Shao, D. Y., Sherrill, N., Sichtermann, E., Signori, A., Şimşek, K., Simonelli, A., Sznajder, P., Tezgin, K., Thorne, R. S., Tricoli, A., Venugopalan, R., Vladimirov, A., Vicini, Alessandro, Vitev, Ivan, Wiegand, D., Wong, C. -P, Xie, K., Zaccheddu, M., Zhao, Y., Zhang, J., Zheng, X., Zurita, P., Centre de Physique Théorique [Palaiseau] (CPHT), École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), and Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay
Subjects: electron, Nuclear Theory, accelerator, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], p: polarized beam, FOS: Physical sciences, electron nucleon: colliding beams, electron nucleus, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], High Energy Physics - Experiment, Nuclear Theory (nucl-th), High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Physics::Accelerator Physics, ion, Nuclear Experiment (nucl-ex), Nuclear Experiment
Abstract: Electron Ion Collider (EIC) is a particle accelerator facility planned for construction at Brookhaven National Laboratory on Long Island, New York by the United States Department of Energy. EIC will provide capabilities of colliding beams of polarized electrons with polarized beams of proton and light ions. EIC will be one of the largest and most sophisticated new accelerator facilities worldwide, and the only new large-scale accelerator facility planned for construction in the United States in the next few decades. The versatility, resolving power and intensity of EIC will present many new opportunities to address some of the crucial and fundamental open scientific questions in particle physics. This document provides an overview of the science case of EIC from the perspective of the high energy physics community., Submitted to the Proceedings of the US Community Study on the Future of Particle Physics (Snowmass 2021)
Published: 2022

49. The Large Hadron–Electron Collider at the HL-LHC

Author: Agostini, P., Aksakal, H., Apolinario, L., Goyal, A., Grames, J., Granados, E., Grassellino, A., Gunaydin, Y. O., Guo, Y. C., Guzey, V., Gwenlan, C., Hammad, A., Han, C. C., Apsimon, R., Harland-Lang, L., Haug, F., Hautmann, F., Hayden, D., Hessler, J., Helenius, I., Henry, J., Hernandez-Sanchez, J., Hesari, H., Hobbs, T. J., Apyan, A., Hod, N., Hoffstaetter, G. H., Holzer, B., Honorato, C. G., Hounsell, B., Hu, N., Hug, F., Huss, A., Hutton, A., Islam, R., Arduini, G., Iwamoto, S., Jana, S., Jansova, M., Jensen, E., Jones, T., Jowett, J. M., Kaabi, W., Kado, M., Kalinin, D. A., Karadeniz, H., Ari, V., Kawaguchi, S., Kaya, U., Khalek, R. A., Khanpour, H., Kilic, A., Klein, M., Klein, U., Kluth, S., Köksal, M., Kocak, F., Armbruster, A., Korostelev, M., Kostka, P., Krelina, M., Kretzschmar, J., Kuday, S., Kulipanov, G., Kumar, M., Kuze, M., Lappi, T., Larios, F., Armesto, N., Latina, A., Laycock, P., Lei, G., Levitchev, E., Levonian, Serguei V., Levy, A., Li, R., Li, X., Liang, H., Litvinenko, V., Auchmann, B., Liu, M., Liu, T., Liu, W., Liu, Y., Liuti, S., Lobodzinska, Ewelina, Longuevergne, D., Luo, X., Ma, W., Machado, M., Aulenbacher, K., Mandal, S., Mäntysaari, H., Marhauser, F., Marquet, C., Martens, A., Martin, R., Marzani, S., McFayden, J., Mcintosh, P., Mellado, B., Azuelos, G., Meot, F., Milanese, A., Milhano, J. G., Militsyn, B., Mitra, M., Moch, S., Mohammadi Najafabadi, M., Mondal, S., Moretti, S., Morgan, T., Alan, H., Backovic, S., Morreale, A., Nadolsky, P., Navarra, F., Nergiz, Z., Newman, P., Niehues, J., Nissen, E. A., Nowakowski, M., Okada, N., Olivier, G., Bailey, I., Olness, F., Olry, G., Osborne, J. A., Ozansoy, A., Pan, R., Parker, B., Patra, M., Paukkunen, H., Peinaud, Y., Pellegrini, D., Bailey, S., Perez-Segurana, G., Perini, D., Perrot, L., Pietralla, N., Pilicer, E., Pire, B., Pires, J., Placakyte, R., Poelker, M., Polifka, R., Balli, F., Polini, A., Poulose, P., Pownall, G., Pupkov, Y. A., Queiroz, F. S., Rabbertz, K., Radescu, V., Rahaman, R., Rai, S. K., Raicevic, N., Behera, S., Ratoff, P., Rashed, A., Raut, D., Raychaudhuri, S., Repond, J., Rezaeian, A. H., Rimmer, R., Rinolfi, L., Rojo, J., Rosado, A., Behnke, O., Ruan, X., Russenschuck, S., Sahin, M., Salgado, C. A., Sampayo, O. A., Satendra, K., Satyanarayan, N., Schenke, B., Schirm, K., Schopper, H., Ben-Zvi, I., Schott, M., Schulte, D., Schwanenberger, C., Sekine, T., Senol, A., Seryi, A., Setiniyaz, S., Shang, L., Shen, X., Shipman, N., Benedikt, M., Sinha, N., Slominski, W., Smith, S., Solans, C., Song, M., Spiesberger, H., Stanyard, J., Starostenko, A., Stasto, A., Stocchi, A., Bernauer, J., Strikman, M., Stuart, M. J., Sultansoy, S., Sun, H., Sutton, M., Szymanowski, L., Tapan, I., Tapia-Takaki, D., Tanaka, M., Tang, Y., Bertolucci, S., Tasci, A. T., Ten-Kate, A. T., Thonet, P., Tomas-Garcia, R., Tommasini, D., Trbojevic, D., Trott, M., Tsurin, I., Tudora, A., Turk Cakir, I., Alekhin, S., Biswal, S. S., Tywoniuk, K., Vallerand, C., Valloni, A., Verney, D., Vilella, E., Walker, D., Wallon, S., Wang, B., Wang, K., Blümlein, Johannes, Wang, X., Wang, Z. S., Wei, H., Welsch, C., Willering, G., Williams, P. H., Wollmann, D., Xiaohao, C., Xu, T., Yaguna, C. E., Bogacz, A., Yamaguchi, Y., Yamazaki, Y., Yang, H., Yilmaz, A., Yock, P., Yue, C. X., Zadeh, S. G., Zenaiev, O., Zhang, C., Zhang, J., Bonvini, M., Zhang, R., Zhang, Z., Zhu, G., Zhu, S., Zimmermann, F., Zomer, F., Zurita, J., Zurita, P., LHeC Collaboration, Group, FCC-he Study, Boonekamp, M., Bordry, F., Boroun, G. R., Bottura, L., Bousson, S., Bouzas, A. O., Allport, P. P., Bracco, C., Bracinik, J., Britzger, D., Brodsky, S. J., Bruni, C., Brüning, O., Burkhardt, H., Cakir, O., Calaga, R., Caldwell, A., Andari, N., Calıskan, A., Camarda, S., Catalan-Lasheras, N. C., Cassou, K., Cepila, J., Cetinkaya, V., Chetvertkova, V., Cole, B., Coleppa, B., Cooper-Sarkar, A., Andre, K. D. J., Cormier, E., Cornell, A. S., Corsini, R., Cruz-Alaniz, E., Currie, J., Curtin, D., D'Onofrio, M., Dainton, J., Daly, E., Das, A., Angal-Kalinin, D., Das, S. P., Dassa, L., de Blas, J., Delle Rose, L., Denizli, H., Deshpande, K. S., Douglas, D., Duarte, L., Dupraz, K., Dutta, S., Antusch, S., Efremov, A. V., Eichhorn, R., Eskola, K. J., Ferreiro, E. G., Fischer, O., Flores-Sánchez, O., Forte, S., Gaddi, A., Gao, J., Gehrmann, T., Aperio Bella, L., Gehrmann-De Ridder, A., Gerigk, F., Gilbert, A., Giuli, F., Glazov, Alexander, Glover, N., Godbole, R. M., Goddard, B., Gonçalves, V., Gonzalez-Sprinberg, G. A., Université Paris-Saclay, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Centre d'Etudes Lasers Intenses et Applications (CELIA), Université de Bordeaux (UB)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11), Université de Strasbourg (UNISTRA), Centre de Physique Théorique [Palaiseau] (CPHT), École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), LHeC, FCC-he Study Group, Çetinkaya, Volkan, Çalışkan, Abdullatif, Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Bordeaux (UB), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X), Agostini P, Aksakal H, Duarte Lucía, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física., Helsinki Institute of Physics, Particle Physics and Astrophysics, and Calıskan, Abdullatif
Subjects: energy recovery, lepton nucleus: scattering, parton: distribution function, hiukkasfysiikka, 7. Clean energy, 01 natural sciences, accelerator physics, High Energy Physics - Phenomenology (hep-ph), HEAVY FLAVOR CONTRIBUTIONS, energy-recovery- linac, Nuclear Experiment, colliding beams [electron p], deep-inelastic scattering, top and electroweak physics, new physics, Physics, STRUCTURE-FUNCTION RATIOS, Monte Carlo [numerical calculations], buildings, primary [vertex], High Energy Physics - Phenomenology, electron p: colliding beams, kinematics, Nuclear Physics - Theory, final state: hadronic, p: distribution function, beyond Standard Model, vertex: primary, numerical calculations: Monte Carlo, distribution function [parton], High-lumiLHC, STRUCTURE-FUNCTION F-2(X, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], ion: beam, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 114 Physical sciences, Nuclear Theory (nucl-th), deep inelastic scattering, quantum chromodynamics, ddc:530, 010306 general physics, high-lumi LHC, QCD, Higgs, nuclear physics, beyond standard Model, 010308 nuclear & particles physics, resolution, scattering [electron p], structure function [nucleus], sensitivity, beam [electron], energy-recovery-linac, acceptance, Nuclear Theory, HIGH-ENERGY FACTORIZATION, distribution function [p], density [parton], High-lumi LHC, High Energy Physics - Experiment, design [detector], High Energy Physics - Experiment (hep-ex), electron: linear accelerator, electron hadron: scattering, CERN LHC Coll: upgrade, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], scattering [electron hadron], FCC, electron: beam, Nuclear Experiment (nucl-ex), linear accelerator [electron], lattice, superconductivity, Energy-recoverylinac, Beyond Standard Mode, Nuclear physics, electron nucleus: colliding beams, parton: density, colliding beams [electron nucleus], Particle Physics - Experiment, NUCLEON STRUCTURE FUNCTIONS, Nuclear and High Energy Physics, scattering [lepton nucleus], beam [ion], FOS: Physical sciences, nucleus: structure function, hadronic [final state], electron p: scattering, TRANSVERSE-MOMENTUM DEPENDENCE, 0103 physical sciences, Nuclear Physics - Experiment, structure, upgrade [CERN LHC Coll], detector: design, Particle Physics - Phenomenology, DEEP-INELASTIC-SCATTERING, electroweak interaction, 3-LOOP SPLITTING FUNCTIONS, CLASSICAL RADIATION ZEROS, calibration, Accelerators and Storage Rings, magnet, high [current], 13. Climate action, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], LHeC, Physics::Accelerator Physics, JET CROSS-SECTIONS, High Energy Physics::Experiment, current: high
Abstract: The Large Hadron-Electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy-recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High-Luminosity Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent electron-proton and proton-proton operations. This report represents an update to the LHeC's conceptual design report (CDR), published in 2012. It comprises new results on the parton structure of the proton and heavier nuclei, QCD dynamics, and electroweak and top-quark physics. It is shown how the LHeC will open a new chapter of nuclear particle physics by extending the accessible kinematic range of lepton-nucleus scattering by several orders of magnitude. Due to its enhanced luminosity and large energy and the cleanliness of the final hadronic states, the LHeC has a strong Higgs physics programme and its own discovery potential for new physics. Building on the 2012 CDR, this report contains a detailed updated design for the energy-recovery electron linac (ERL), including a new lattice, magnet and superconducting radio-frequency technology, and further components. Challenges of energy recovery are described, and the lower-energy, high-current, three-turn ERL facility, PERLE at Orsay, is presented, which uses the LHeC characteristics serving as a development facility for the design and operation of the LHeC. An updated detector design is presented corresponding to the acceptance, resolution, and calibration goals that arise from the Higgs and parton-density-function physics programmes. This paper also presents novel results for the Future Circular Collider in electron-hadron (FCC-eh) mode, which utilises the same ERL technology to further extend the reach of DIS to even higher centre-of-mass energies., Journal of Physics G: Nuclear and Particle Physics, 48 (11), ISSN:0305-4616, ISSN:0954-3899, ISSN:1361-6471, ISSN:0954-3889
Published: 2021
Full Text: View/download PDF

50. Handbook of the LHC Higgs cross sections: Differential distributions

Author: Higgs Cross Section Working Group, L, Dittmaier, S, Mariotti, C, Passarino, G, Tanaka, R, Alekhin, S, Alwall, J, Bagnaschi, E, Banfi, A, Blumlein, J, Bolognesi, S, Chanon, N, Cheng, T, Cieri, L, Cooper Sarkar, A, Cutajar, M, Dawson, S, Davies, G, De Filippis, N, Degrassi, G, Denner, A, D'Enterria, D, Diglio, S, Di Micco, B, Di Nardo, R, Ellis, R, Farilla, A, Farrington, S, Felcini, M, Ferrera, G, Flechl, M, de Florian, D, Forte, S, Ganjour, S, Garzelli, M, Gascon Shotkin, S, Glazov, S, Goria, S, Ph Guillet, J, Hackstein, C, Hamilton, K, Harlander, R, Hauru, M, Heinemeyer, S, Hoche, S, Huston, J, Jackson, C, Jimenez Delgado, P, Jorgensen, M, Kado, M, Kallweit, S, Kardos, A, Kauer, N, Kim, H, Kovac, M, Kramer, M, Krauss, F, Kuo, C, Lehti, S, Li, Q, Lorenzo, N, Maltoni, F, Mellado, B, Moch, S, Muck, A, Muhlleitner, M, Nadolsky, P, Neu, C, Nikitenko, A, Olsen, J, Palmer, S, Paganis, S, Papadopoulos, C, Petersen, T, Petriello, F, Petrucci, F, Piacquadio, G, Pilon, E, Potter, C, Price, J, Puljak, I, Quayle, W, Radescu, V, Rebuzzi, D, Reina, L, Rojo, J, Rosco, D, Salam, G, Sapronov, A, Schaarschmidt, J, Schonherr, M, Schumacher, M, Siegert, F, Slavich, P, Spira, M, Stewart, I, Stirling, W, Stockli, F, Sturm, C, Tackmann, F, Thorne, R, Tommasini, D, Torrielli, P, Tramontano, F, Trocsanyi, Z, Ubiali, M, Uccirati, S, Vazquez Acosta, M, Vickey, T, Vicini, A, Waalewijn, W, Wackeroth, D, Warsinsky, M, Weber, M, Wiesemann, M, Weiglein, G, Yu, J, Zanderighi, G., GRAZZINI, MAGALI, NASON, PAOLO, OLEARI, CARLO, Higgs Cross Section Working Group, L, Dittmaier, S, Mariotti, C, Passarino, G, Tanaka, R, Alekhin, S, Alwall, J, Bagnaschi, E, Banfi, A, Blumlein, J, Bolognesi, S, Chanon, N, Cheng, T, Cieri, L, Cooper Sarkar, A, Cutajar, M, Dawson, S, Davies, G, De Filippis, N, Degrassi, G, Denner, A, D'Enterria, D, Diglio, S, Di Micco, B, Di Nardo, R, Ellis, R, Farilla, A, Farrington, S, Felcini, M, Ferrera, G, Flechl, M, de Florian, D, Forte, S, Ganjour, S, Garzelli, M, Gascon Shotkin, S, Glazov, S, Goria, S, Grazzini, M, Ph Guillet, J, Hackstein, C, Hamilton, K, Harlander, R, Hauru, M, Heinemeyer, S, Hoche, S, Huston, J, Jackson, C, Jimenez Delgado, P, Jorgensen, M, Kado, M, Kallweit, S, Kardos, A, Kauer, N, Kim, H, Kovac, M, Kramer, M, Krauss, F, Kuo, C, Lehti, S, Li, Q, Lorenzo, N, Maltoni, F, Mellado, B, Moch, S, Muck, A, Muhlleitner, M, Nadolsky, P, Nason, P, Neu, C, Nikitenko, A, Oleari, C, Olsen, J, Palmer, S, Paganis, S, Papadopoulos, C, Petersen, T, Petriello, F, Petrucci, F, Piacquadio, G, Pilon, E, Potter, C, Price, J, Puljak, I, Quayle, W, Radescu, V, Rebuzzi, D, Reina, L, Rojo, J, Rosco, D, Salam, G, Sapronov, A, Schaarschmidt, J, Schonherr, M, Schumacher, M, Siegert, F, Slavich, P, Spira, M, Stewart, I, Stirling, W, Stockli, F, Sturm, C, Tackmann, F, Thorne, R, Tommasini, D, Torrielli, P, Tramontano, F, Trocsanyi, Z, Ubiali, M, Uccirati, S, Vazquez Acosta, M, Vickey, T, Vicini, A, Waalewijn, W, Wackeroth, D, Warsinsky, M, Weber, M, Wiesemann, M, Weiglein, G, Yu, J, and Zanderighi, G
Subjects: High Energy Physics - Phenomenology, High Energy Physics - Experiment
Abstract: This Report summarises the results of the second year's activities of the LHC Higgs Cross Section Working Group. The main goal of the working group was to present the state of the art of Higgs Physics at the LHC, integrating all new results that have appeared in the last few years. The first working group report Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables (CERN-2011-002) focuses on predictions (central values and errors) for total Higgs production cross sections and Higgs branching ratios in the Standard Model and its minimal supersymmetric extension, covering also related issues such as Monte Carlo generators, parton distribution functions, and pseudo-observables. This second Report represents the next natural step towards realistic predictions upon providing results on cross sections with benchmark cuts, differential distributions, details of specific decay channels, and further recent developments
Published: 2012

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