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1. Future physics opportunities for high-density QCD at the LHC with heavy-ion and proton beams

Author

Citron, Z., Dainese, A., Grosse-Oetringhaus, J.F., Jowett, J.M., Lee, Y.-J., Wiedemann, U.A., Winn, M., Andronic, A., Bellini, F., Bruna, E., Chapon, E., Dembinski, H., D'Enterria, D., Grabowska-Bold, I., Innocenti, G.M., Loizides, C., Mohapatra, S., Salgado, C.A., Verweij, M., Weber, M., Aichelin, J., Angerami, A., Apolinario, L., Arleo, F., Armesto, N., Arnaldi, R., Arslandok, M., Azzi, P., Bailhache, R., Bass, S.A., Bedda, C., Behera, N.K., Bellwied, R., Beraudo, A., Bi, R., Bierlich, C., Blum, K., Borissov, A., Braun-Munzinger, P., Bruce, R., Bruno, G.E., Bufalino, S., Castillo Castellanos, J., Chatterjee, R., Chen, Y., Chen, Z., Cheshkov, C., Chujo, T., Conesa Del Valle, Z., Contreras Nuno, J.G., Cunqueiro Mendez, L., Dahms, T., Dang, N.P., De La Torre, H., Dobrin, A.F., Doenigus, B., van Doremalen, L., Du, X., Dubla, A., Dumancic, M., Dyndal, M., Fabbietti, L., Ferreiro, E.G., Fionda, F., Fleuret, F., Floerchinger, S., Giacalone, G., Giammanco, A., Gossiaux, Pol-Bernard, Graziani, G., Greco, V., Grelli, A., Grosa, F., Guilbaud, M., Gunji, T., Guzey, V., Hadjidakis, C., Hassani, S., He, M., Helenius, I., Huo, P., Jacobs, P.M., Janus, P., Jebramcik, M.A., Jia, J., Kalweit, A.P., Kim, H., Klasen, M., Klein, S.R., Klusek-Gawenda, M., Kremer, J., Krintiras, G.K., Krizek, F., Kryshen, E., Kurkela, A., Kusina, A., Lansberg, J.-P., Lea, R., Van Leeuwen, M., Li, W., Margutti, J., Marin, A., Marquet, C., Martin Blanco, J., Massacrier, L., Mastroserio, A., Maurice, E., Mayer, C., Mcginn, C., Milhano, G., Milov, A., Minissale, V., Mironov, C., Mischke, A., Mohammadi, N., Mulders, M., Murray, M., Narain, M., Di Nezza, P., Nisati, A., Noronha-Hostler, J., Ohlson, A., Okorokov, V., Olness, F., Paakkinen, P., Pappalardo, L., Park, J., Paukkunen, H., Peng, C.C., Pereira Da Costa, H., Perepelitsa, D.V., Peresunko, D., Peters, M., Pettersson, N.E., Piano, S., Pierog, T., Pires, J., Płoskoń, M., Plumari, S., Prino, F., Puccio, M., Rapp, R., Redlich, K., Reygers, K., Ristea, C.L., Robbe, P., Rossi, A., Rustamov, A., Rybar, M., Schaumann, M., Schenke, B., Schienbein, I., Schoeffel, L., Selyuzhenkov, I., Sickles, A.M., Sievert, M., Silva, P., Song, T., Spousta, M., Stachel, J., Steinberg, P., Stocco, Diego, Strickland, M., Strikman, M., Sun, J., Tapia Takaki, D., Tatar, K., Terrevoli, C., Timmins, A., Trogolo, S., Trzeciak, B., Trzupek, A., Ulrich, R., Uras, A., Venugopalan, R., Vitev, I., Vujanovic, G., Wang, J., Wang, T.W., Xiao, R., Xu, Y., Zampolli, C., Zanoli, H., Zhou, M., Zhou, Y., Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Département de Physique Nucléaire (ex SPhN) (DPHN), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), Institut de Physique Théorique - UMR CNRS 3681 (IPHT), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Département de Physique des Particules (ex SPP) (DPhP), Centre de Physique Théorique [Palaiseau] (CPHT), École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Astrophysique Interprétation Modélisation (AIM (UMR_7158 / UMR_E_9005 / UM_112)), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Université de Nantes (UN)-Université de Nantes (UN)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Département de Physique des Particules (ex SPP) (DPP), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X), Université de Nantes - Faculté des Sciences et des Techniques, Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique Bretagne-Pays de la Loire (IMT Atlantique), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)

Subjects
p p: scattering, interpretation of experiments: CERN LHC Coll, Nuclear Theory, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], FOS: Physical sciences, parton: saturation, [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 (hep-ph), oxygen: ion, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Nuclear Experiment (nucl-ex), Nuclear Experiment, quark gluon: plasma, quantum chromodynamics: matter, High Energy Physics::Phenomenology, nucleus, p: beam, heavy ion, High Energy Physics - Phenomenology, kinematics, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], parton: density
Abstract

The future opportunities for high-density QCD studies with ion and proton beams at the LHC are presented. Four major scientific goals are identified: the characterisation of the macroscopic long wavelength Quark-Gluon Plasma (QGP) properties with unprecedented precision, the investigation of the microscopic parton dynamics underlying QGP properties, the development of a unified picture of particle production and QCD dynamics from small (pp) to large (nucleus--nucleus) systems, the exploration of parton densities in nuclei in a broad ($x$, $Q^2$) kinematic range and the search for the possible onset of parton saturation. In order to address these scientific goals, high-luminosity Pb-Pb and p-Pb programmes are considered as priorities for Runs 3 and 4, complemented by high-multiplicity studies in pp collisions and a short run with oxygen ions. High-luminosity runs with intermediate-mass nuclei, for example Ar or Kr, are considered as an appealing case for extending the heavy-ion programme at the LHC beyond Run 4. The potential of the High-Energy LHC to probe QCD matter with newly-available observables, at twice larger center-of-mass energies than the LHC, is investigated., 209 pages; Report from Working Group 5 of the Workshop on the Physics of the CERN HL-LHC, and Perspectives at the HE-LHC (v2: Minor updates to text and figures. Added one author.)

Published
2018

2. Report from Working Group 5: Future physics opportunities for high-density QCD at the LHC with heavy-ion and proton beams

Author

Citron, Z., Dainese, A., Grosse-Oetringhaus, J.F., Jowett, J.M., Lee, Y.-J., Wiedemann, U.A., Winn, M., Andronic, A., Bellini, F., Bruna, E., Chapon, E., Dembinski, H., d'Enterria, D., Grabowska-Bold, I., Innocenti, G.M., Loizides, C., Mohapatra, S., Salgado, C.A., Verweij, M., Weber, M., Aichelin, J., Angerami, A., Apolinario, L., Arleo, F., Armesto, N., Arnaldi, R., Arslandok, M., Azzi, P., Bailhache, R., Bass, S.A., Bedda, C., Behera, N.K., Bellwied, R., Beraudo, A., Bi, R., Bierlich, C., Blum, K., Borissov, A., Braun-Munzinger, P., Bruce, R., Bruno, G.E., Bufalino, S., Castillo Castellanos, J., Chatterjee, R., Chen, Y., Chen, Z., Cheshkov, C., Chujo, T., Conesa del Valle, Z., Contreras Nuno, J.G., Cunqueiro Mendez, L., Dahms, T., Dang, N.P., De la Torre, H., Dobrin, A.F., Doenigus, B., Van Doremalen, L., Du, X., Dubla, A., Dumancic, M., Dyndal, M., Fabbietti, L., Ferreiro, E.G., Fionda, F., Fleuret, F., Floerchinger, S., Giacalone, G., Giammanco, A., Gossiaux, P.B., Graziani, G., Greco, V., Grelli, A., Grosa, F., Guilbaud, M., Gunji, T., Guzey, V., Hadjidakis, C., Hassani, S., He, M., Helenius, I., Huo, P., Jacobs, P.M., Janus, P., Jebramcik, M.A., Jia, J., Kalweit, A.P., Kim, H., Klasen, M., Klein, S.R., Klusek-Gawenda, M., Kremer, J., Krintiras, G.K., Krizek, F., Kryshen, E., Kurkela, A., Kusina, A., Lansberg, J.-P., Lea, R., van Leeuwen, M., Li, W., Margutti, J., Marin, A., Marquet, C., Martin Blanco, J., Massacrier, L., Mastroserio, A., Maurice, E., Mayer, C., Mcginn, C., Milhano, G., Milov, A., Minissale, V., Mironov, C., Mischke, A., Mohammadi, N., Mulders, M., Murray, M., Narain, M., Di Nezza, P., Nisati, A., Noronha-Hostler, J., Ohlson, A., Okorokov, V., Olness, F., Paakkinen, P., Pappalardo, L., Park, J., Paukkunen, H., Peng, C.C., Pereira Da Costa, H., Perepelitsa, D.V., Peresunko, D., Peters, M., Pettersson, N.E., Piano, S., Pierog, T., Pires, J., Płoskoń, M., Plumari, S., Prino, F., Puccio, M., Rapp, R., Redlich, K., Reygers, K., Ristea, C.L., Robbe, P., Rossi, A., Rustamov, A., Rybar, M., Schaumann, M., Schenke, B., Schienbein, I., Schoeffel, L., Selyuzhenkov, I., Sickles, A.M., Sievert, M., Silva, P., Song, T., Spousta, M., Stachel, J., Steinberg, P., Stocco, D., Strickland, M., Strikman, M., Sun, J., Tapia Takaki, D., Tatar, K., Terrevoli, C., Timmins, A., Trogolo, S., Trzeciak, B., Trzupek, A., Ulrich, R., Uras, A., Venugopalan, R., Vitev, I., Vujanovic, G., Wang, J., Wang, T.W., Xiao, R., Xu, Y., Zampolli, C., Zanoli, H., Zhou, M., and Zhou, Y.

Subjects
nucl-th, hep-ex, Nuclear Physics - Theory, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Physics - Experiment, hep-ph, Nuclear Experiment, nucl-ex, Particle Physics - Experiment, Particle Physics - Phenomenology
Abstract

The future opportunities for high-density QCD with ion and proton beams at the LHC are presented. Four major scientific goals are identified: the characterisation of the macroscopic long wavelength Quark-Gluon Plasma (QGP) properties with unprecedented precision, the investigation of the microscopic parton dynamics underlying QGP properties, the development of a unified picture of particle production and QCD dynamics from small (pp) to large (nucleus–nucleus) systems, the exploration of parton densities in nuclei in a broad (x, Q2) kinematic range and the search for the possible onset of parton saturation. In order to address these scientific goals, high-luminosity Pb–Pb and p–Pb programmes are considered as priorities for Runs 3 and 4, complemented by high-multiplicity studies in pp collisions and a short run with Oxygen ions. High-luminosity runs with intermediate-mass nuclei, for example Ar or Kr, are considered as an appealing case for extending the heavy-ion programme at the LHC beyond Run 4. The potential of the High-Energy LHC to probe QCD matter with newly-available observables and phenomena is investigated. The future opportunities for high-density QCD studies with ion and proton beams at the LHC are presented. Four major scientific goals are identified: the characterisation of the macroscopic long wavelength Quark-Gluon Plasma (QGP) properties with unprecedented precision, the investigation of the microscopic parton dynamics underlying QGP properties, the development of a unified picture of particle production and QCD dynamics from small (pp) to large (nucleus--nucleus) systems, the exploration of parton densities in nuclei in a broad ($x$, $Q^2$) kinematic range and the search for the possible onset of parton saturation. In order to address these scientific goals, high-luminosity Pb-Pb and p-Pb programmes are considered as priorities for Runs 3 and 4, complemented by high-multiplicity studies in pp collisions and a short run with oxygen ions. High-luminosity runs with intermediate-mass nuclei, for example Ar or Kr, are considered as an appealing case for extending the heavy-ion programme at the LHC beyond Run 4. The potential of the High-Energy LHC to probe QCD matter with newly-available observables, at twice larger center-of-mass energies than the LHC, is investigated.

Published
2018

4. Long-range angular correlations on the near and away side in p-Pb collisions at √sNN=5.02 TeV

Author

Abelev, B. Adam, J. Adamova, D. Adare, A.M. Aggarwal, M. Aglieri Rinella, G. Agnello, M. Agocs, A.G. Agostinelli, A. Ahammed, Z. Ahmad, N. Ahmad, A. Ahn, S.-A. Ahn, S.U. Ajaz, M. Akindinov, A. Aleksandrov, D. Alessandro, B. Alici, A. Alkin, A. Almaraz Avina, E.J. Alme, J. Alt, T. Altini, V. Altinpinar, S. Altsybeev, I. Andrei, C. Andronic, A. Anguelov, V. Anielski, J. Anson, C.D. Anticic, T. Antinori, F. Antonioli, P. Aphecetche, L.B. Appelshauser, H. Arbor, N. Arcelli, S. Arend, A. Armesto, N. Arnaldi, R. Aronsson, T.R. Arsene, I.C. Arslandok, M. Asryan, A. Augustinus, A. Averbeck, R.P. Awes, T. Aysto, J.H. Azmi, M.D. Bach, M.J. Badala, A. Baek, Y.W. Bailhache, R.M. Bala, R. Baldini Ferroli, R. Baldisseri, A. Dos Santos Pedrosa, F.B. Ban, J. Baral, R.C. Barbera, R. Barile, F. Barnafoldi, G.G. Barnby, L.S. Barret, V. Bartke, J.G. Basile, M. Bastid, N. Basu, S. Bathen, B. Batigne, G. Batyunya, B. Baumann, C.H. Bearden, I.G. Beck, H. Behera, N.K. Belikov, I. Bellini, F. Bellwied, R. Belmont-Moreno, E. Bencedi, G. Beole, S. Berceanu, I. Bercuci, A. Berdnikov, Y. Berenyi, D. Bergognon, A.A.E. Berzano, D. Betev, L. Bhasin, A. Bhati, A.K. Bhom, J. Bianchi, L. Bianchi, N. Bielcik, J. Bielcikova, J. Bilandzic, A. Bjelogrlic, S. Blanco, F. Blanco, F. Blau, D. Blume, C. Boccioli, M. Boettger, S. Bogdanov, A. Boggild, H. Bogolyubsky, M. Boldizsar, L. Bombara, M. Book, J. Borel, H. Borissov, A. Bossu, F. Botje, M. Botta, E. Braidot, E. Braun-Munzinger, P. Bregant, M. Breitner, T.G. Broker, T.A. Browning, T.A. Broz, M. Brun, R. Bruna, E. Bruno, G.E. Budnikov, D. Buesching, H. Bufalino, S. Buncic, P. Busch, O. Zinhle Buthelezi, E. Caballero Orduna, D. Caffarri, D. Cai, X. Caines, H.L. Calvo Villar, E. Camerini, P. Canoa Roman, V. Romeo, G.C. Carena, W. Carena, F. Filho, N.C. Carminati, F. Casanova Diaz, A.O. Castillo Castellanos, J.E. Castillo Hernandez, J.F. Casula, E.A.R. Catanescu, V. Cavicchioli, C. Ceballos Sanchez, C. Cepila, J. Cerello, P. Chang, B. Chapeland, S. Charvet, J.L.F. Chattopadhyay, S. Chattopadhyay, S. Chawla, I. Cherney, M.G. Cheshkov, C. Cheynis, B. Chibante Barroso, V.M. Chinellato, D. Chochula, P. Chojnacki, M. Choudhury, S. Christakoglou, P. Christensen, C.H. Christiansen, P. Chujo, T. Chung, S.-U. Cicalo, C. Cifarelli, L. Cindolo, F. Cleymans, J.W.A. Coccetti, F. Colamaria, F. Colella, D. Collu, A. Conesa Balbastre, G. Conesa del Valle, Z. Connors, M.E. Contin, G. Contreras, J.G. Cormier, T.M. Corrales Morales, Y. Cortese, P. Maldonado, I.C. Cosentino, M.R. Costa, F. Cotallo, M.E. Crescio, E. Crochet, P. Alaniz, E.C. Albino, R.C. Cuautle, E. Cunqueiro, L. Dainese, A. Hjersing Dalsgaard, H. Danu, A. Das, I. Das, D. Das, S. Das, K. Dash, A.K. Dash, S. De, S. de Barros, G. De Caro, A. de Cataldo, G. de Cuveland, J. De Falco, A. De Gruttola, D. Delagrange, H. Deloff, A. De Marco, N. Denes, E. De Pasquale, S. Deppman, A. D'Erasmo, G. de Rooij, R.S. Diaz Corchero, M.A. Di Bari, D. Dietel, T. Di Giglio, C. Di Liberto, S. Di Mauro, A. Di Nezza, P. Divia, R. Djuvsland, O. Dobrin, A.F. Dobrowolski, T.A. Donigus, B. Dordic, O. Driga, O. Dubey, A.K. Dubla, A. Ducroux, L. Dupieux, P. Dutta Majumdar, A.K. Elia, D. Emschermann, D.P. Engel, H. Erazmus, B. Austrheim Erdal, H. Espagnon, B. Estienne, M.D. Esumi, S. Evans, D. Eyyubova, G. Fabris, D. Faivre, J. Falchieri, D. Fantoni, A. Fasel, M. Worsley Fearick, R. Fehlker, D. Feldkamp, L. Felea, D. Feliciello, A. Fenton-Olsen, B. Feofilov, G. Tellez, A.F. Ferretti, A. Festanti, A. Figiel, J. Figueredo, M. Filchagin, S. Finogeev, D. Fionda, F. Fiore, E.M. Floratos, E. Floris, M. Foertsch, S.V. Foka, P. Fokin, S. Fragiacomo, E. Francescon, A. Frankenfeld, U.M. Fuchs, U. Furget, C. Fusco Girard, M. Gaardhoje, J.J. Gagliardi, M. Gago, A. Gallio, M. Gangadharan, D.R. Ganoti, P. Garabatos, J. Garcia-Solis, E. Garishvili, I. Gerhard, J. Germain, M. Geuna, C. Gheata, M. Geae Gheata, A. Ghidini, B. Ghosh, P. Gianotti, P. Girard, M.R. Giubellino, P. Gladysz-Dziadus, E. Glassel, P. Gomez, R. Ferreiro, E.G. Gonzalez-Trueba, L.H. Gonzalez-Zamora, P. Gorbunov, S. Goswami, A. Gotovac, S. Graczykowski, L.K. Grajcarek, R. Grelli, A. Grigoras, C. Grigoras, A.G. Grigoriev, V. Grigoryan, A. Grigoryan, S. Grinyov, B. Grion, N. Gros, P. Grosse-Oetringhaus, J.F. Grossiord, J.-Y. Grosso, R. Guber, F. Guernane, R. Guerzoni, B. Guilbaud, M.R.J. Herlache Gulbrandsen, K. Gulkanyan, H. Gunji, T. Gupta, A. Gupta, R. Haake, R. Haaland, O.S. Hadjidakis, C.M. Haiduc, M. Hamagaki, H. Hamar, G. Han, B. Hanratty, L.D. Hansen, A. Harmanova, Z. Harris, J.W. Hartig, M. Harton, A. Hatzifotiadou, D. Hayashi, S. Hayrapetyan, A. Heckel, S.T. Heide, M.A. Helstrup, H. Herghelegiu, A.I. Herrera Corral, G.A. Herrmann, N. Hess, B.A. Fanebust Hetland, K. Hicks, B. Hippolyte, B. Hori, Y. Zahariev Hristov, P. Hrivnacova, I. Huang, M. Humanic, T. Hwang, D.S. Ichou, R. Ilkaev, R. Ilkiv, I. Inaba, M. Incani, E. Giaio Innocenti, P. Innocenti, G.M. Ippolitov, M. Irfan, M. Geae Ivan, C. Ivanov, V. Ivanov, A. Ivanov, M. Ivanytskyi, O. Jacholkowski, A.W. Jacobs, P. Jin Jang, H. Janik, M.A. Janik, R. Jayarathna, S. Jena, S. Jha, D.M. Tonatiuh Jimenez Bustamante, R. Jones, P.G. Taik Jung, H. Jusko, A. Kaidalov, A. Kalcher, S. Kalinak, P. Kalliokoski, T.E.A. Kalweit, A.P. Hwan Kang, J. Kaplin, V. Karasu Uysal, A. Karavichev, O. Karavicheva, T. Karpechev, E. Kazantsev, A. Kebschull, U.W. Keidel, R. Khan, P. Ahmad Khan, S. Mohammed Khan, M. Khan, K.H. Khanzadeev, A. Kharlov, Y. Kileng, B. Kim, B. Kim, J.S. Kim, J. Kim, D.J. Kim, D.W. Kim, T. Kim, S.Y. Kim, M. Kim, M. Kirsch, S. Kisel, I. Kiselev, S. Kisiel, A.R. Klay, J.L. Klein, J. Klein-Bosing, C. Kliemant, M. Kluge, A. Knichel, M.L. Knospe, A.G. Kohler, M. Kollegger, T. Kolojvari, A. Kompaniets, M. Kondratiev, V. Kondratyeva, N. Konevskih, A. Kovalenko, V. Kowalski, M. Kox, S. Koyithatta Meethaleveedu, G. Kral, J. Kralik, I. Kramer, F. Kravcakova, A. Krawutschke, T. Krelina, M. Kretz, M. Krivda, M. Krizek, F. Krus, M. Kryshen, E. Krzewicki, M. Kucheriaev, Y. Kugathasan, T. Kuhn, C.C. Kuijer, P. Kulakov, I. Kumar, J. Kurashvili, P. Kurepin, A. Kurepin, A.B. Kuryakin, A. Kushpil, S. Kushpil, V. Kvaerno, H. Kweon, M.J. Kwon, Y. de Guevara, P.L. Lakomov, I. Langoy, R. La Pointe, S.L. Lara, C.E. Lardeux, A.X. La Rocca, P. Lea, R. Lechman, M. Lee, K.S. Lee, S.C. Lee, G.R. Legrand, I. Lehnert, J.W. Lenhardt, M.L. Lenti, V. Leon, H. Monzon, I.L. Vargas, H.L. Levai, P. Li, S. Lien, J. Lietava, R. Lindal, S. Lindenstruth, V. Lippmann, C. Lisa, M.A. Ljunggren, H.M. Loenne, P.-I. Loggins, V. Loginov, V. Lohner, D. Loizides, C. Loo, K.K. Lopez, X.B. Lopez Torres, E. Lovhoiden, G. Lu, X. Luettig, P. Lunardon, M. Luo, J. Luparello, G. Luzzi, C. Ma, R. Ma, K. Minthaka Madagodahettige-Don, D. Maevskaya, A. Mager, M. Mahapatra, D.P. Maire, A. Malaev, M. Maldonado Cervantes, I.A. Malinina, L. Mal'Kevich, D. Malzacher, P. Mamonov, A. Manceau, L.H.A. Mangotra, L.K. Manko, V. Manso, F. Manzari, V. Mao, Y. Marchisone, M. Mares, J. Margagliotti, G.V. Margotti, A. Marin, A.M. Markert, C. Marquard, M. Martashvili, I. Martin, N.A. Martinengo, P. Martinez, M.I. Martinez Davalos, A. Garcia, G.M. Martynov, Y. Mas, A.J.M. Masciocchi, S. Masera, M. Masoni, A. Massacrier, L.M. Mastroserio, A. Matyja, A.T. Mayer, C. Mazer, J. Mazzoni, A.M. Meddi, F. Menchaca-Rocha, A.A. Mercado Perez, J. Meres, M. Miake, Y. Milano, L. Milosevic, J. Mischke, A. Nath Mishra, A. Miskowiec, D. Mitu, C.M. Mizuno, S. Mlynarz, J. Mohanty, B. Molnar, L. Zetina, L.M.M. Monteno, M. Montes, E. Moon, T. Morando, M. Aparecida Moreira De Godoy, D. Moretto, S. Morreale, A. Morsch, A. Muccifora, V. Mudnic, E. Muhuri, S. Mukherjee, M. Muller, H. Munhoz, M. Murray, S. Musa, L. Musinsky, J. Musso, A. Nandi, B.K. Nania, R. Nappi, E. Nattrass, C. Nayak, T.K. Nazarenko, S. Nedosekin, A. Nicassio, M. Niculescu, M. Nielsen, B.S. Niida, T. Nikolaev, S. Nikolic, V. Nikulin, S. Nikulin, V. Nilsen, B.S. Stormo Nilsson, M. Noferini, F. Nomokonov, P. Nooren, G. Novitzky, N. Nyanin, A. Nyatha, A. Nygaard, C. Nystrand, J.I. Ochirov, A. Oeschler, H.O. Oh, S. Kun Oh, S. Oleniacz, J. Da Silva, A.C.O. Oppedisano, C. Ortiz Velasquez, A. Oskarsson, A.N.E. Ostrowski, P.K. Otwinowski, J.T. Oyama, K. Ozawa, K. Pachmayer, Y.C. Pachr, M. Padilla, F. Pagano, P. Paic, G. Painke, F. Pajares, C. Pal, S.K. Palaha, A.S. Palmeri, A. Papikyan, V. Pappalardo, G. Jin Park, W. Passfeld, A. Pastircak, B. Ivanovich Patalakha, D. Paticchio, V. Paul, B. Pavlinov, A. Pawlak, T.J. Peitzmann, T. Pereira Da Costa, H.D.A. Pereira De Oliveira Filho, E. Peresunko, D. Perez Lara, C.E. Perini, D. Perrino, D. Peryt, W.S. Pesci, A. Peskov, V. Pestov, Y. Petracek, V. Petran, M. Petris, M. Petrov, P.R. Petrovici, M. Petta, C. Piano, S. Pikna, M. Pillot, P. Pinazza, O. Pinsky, L. Pitz, N. Piyarathna, D. Planinic, M. Ploskon, M.A. Pluta, J.M. Pocheptsov, T. Pochybova, S. Podesta Lerma, P.L.M. Poghosyan, M. Polak, K. Polichtchouk, B. Pop, A. Porteboeuf-Houssais, S. Pospisil, V. Potukuchi, B. Kumar Prasad, S. Preghenella, R. Prino, F. Pruneau, C.A. Pshenichnov, I. Puddu, G. Punin, V. Putis, M. Putschke, J.H. Quercigh, E. Qvigstad, H. Rachevski, A. Rademakers, A. Raiha, T.S. Rak, J. Rakotozafindrabe, A.M. Ramello, L. Reyes, A.R. Raniwala, R. Raniwala, S. Rasanen, S.S. Rascanu, B.T. Rathee, D. Read, K.F. Real, J.-S. Redlich, K. Reed, R.J. Ur Rehman, A. Reichelt, P. Reicher, M. Renfordt, R.A.E. Reolon, A.R. Reshetin, A. Rettig, F.V. Revol, J.-P. Reygers, K.J. Riccati, L. Ricci, R.A. Richert, T. Richter, M.R. Riedler, P. Riegler, W. Riggi, F. Rodriguez Cahuantzi, M. Rodriguez Manso, A. Roed, K. Rohr, D. Rohrich, D. Romita, R. Ronchetti, F. Rosnet, P. Rossegger, S. Rossi, A. Roy, C.S. Roy, P.K. Rubio Montero, A.J. Rui, R. Russo, R. Ryabinkin, E. Rybicki, A. Sadovsky, S. Safarik, K. Sahoo, R. Sahu, P.K. Saini, J. Sakaguchi, H. Sakai, S. Sakata, D. Salgado, C.A. Salzwedel, J. Sambyal, S.S. Samsonov, V. Sanchez Castro, X. Sandor, L. Sandoval, A. Sano, M. Santagati, G. Santoro, R. Sarkamo, J.J. Scapparone, E. Scarlassara, F. Scharenberg, R.P. Schiaua, C.C. Schicker, R.M. Schmidt, C.J. Schmidt, H.R. Schuchmann, S. Schukraft, J. Schuster, T. Schutz, Y.R. Schwarz, K.E. Schweda, K.O. Scioli, G. Scomparin, E. Scott, P.A. Scott, R. Segato, G. Selyuzhenkov, I. Senyukov, S. Seo, J. Serci, S. Serradilla, E. Sevcenco, A. Shabetai, A. Shabratova, G. Shahoyan, R. Sharma, N. Sharma, S. Sharma, R. Shigaki, K. Shtejer, K. Sibiriak, Y. Sicking, E. Siddhanta, S. Siemiarczuk, T. Silvermyr, D.O.R. Silvestre, C. Simatovic, G. Simonetti, G. Singaraju, R.N. Singh, R. Singha, S. Singhal, V. Sinha, B. Sinha, T. Sitar, B. Sitta, M. Skaali, B. Skjerdal, K. Smakal, R. Smirnov, N. Snellings, R. Sogaard, C. Soltz, R.A. Son, H. Song, J. Song, M. Soos, C. Soramel, F. Sputowska, I. Spyropoulou-Stassinaki, M. Srivastava, B.K. Stachel, J. Stan, I. Stefanek, G. Steinpreis, M. Stenlund, E.A. Steyn, G.F. Stiller, J.H. Stocco, D. Stolpovskiy, M. Strmen, P. Alarcon do Passo Suaide, A. Subieta Vasquez, M.A. Sugitate, T. Suire, C.P. Sultanov, R. Sumbera, M. Susa, T. Symons, T. Szanto de Toledo, A. Szarka, I. Szczepankiewicz, A. Szostak, A.K. Szymanski, M. Takahashi, J. Tapia Takaki, D.J. Tarantola Peloni, A. Tarazona Martinez, A. Tauro, A. Tejeda Munoz, G. Telesca, A. Terrevoli, C. Thader, J.M. Thomas, D. Tieulent, R.N. Timmins, A. Tlusty, D. Toia, A. Torii, H. Toscano, L. Trubnikov, V. Truesdale, D.C. Trzaska, W.H. Tsuji, T. Tumkin, A. Turrisi, R. Spedstad Tveter, T. Glyndwr Ulery, J. Ullaland, K. Ulrich, J. Uras, A. Urban, J. Urciuoli, G.M. Usai, G. Vajzer, M. Vala, M. Valencia Palomo, L. Vallero, S. Vyvre, P.V. van Leeuwen, M. Vannucci, L. Diozcora Vargas, A. Varma, R. Vasileiou, M. Vasiliev, A. Vechernin, V. Veldhoen, M. Venaruzzo, M. Vercellin, E. Vergara, S. Vernet, R. Verweij, M. Vickovic, L. Viesti, G. Viinikainen, J. Vilakazi, Z. Villalobos Baillie, O. Vinogradov, Y. Vinogradov, A. Vinogradov, L. Virgili, T. Viyogi, Y. Vodopianov, A. Voloshin, S. Voloshin, K. Volpe, G. von Haller, B. Vorobyev, I. Vranic, D. Vrlakova, J. Vulpescu, B. Vyushin, A. Wagner, B. Wagner, V. Wan, R. Wang, Y. Wang, Y. Wang, M. Wang, D. Watanabe, K. Weber, M. Wessels, J. Westerhoff, U. Wiechula, J. Wikne, J. Wilde, M.R. Wilk, G.A. Wilk, A. Williams, C. Windelband, B.S. Xaplanteris Karampatsos, L. Yaldo, C.G. Yamaguchi, Y. Yang, H. Yang, S. Yasnopolsky, S. Yi, J. Yin, Z. Yoo, I.-K. Yoon, J. Yu, W. Yuan, X. Yushmanov, I. Zaccolo, V. Zach, C. Zampolli, C. Zaporozhets, S. Zarochentsev, A. Zavada, P. Zaviyalov, N. Zbroszczyk, H.P. Zelnicek, P. Zgura, S.I. Zhalov, M. Zhang, H. Zhang, X. Zhou, F. Zhou, Y. Zhou, D. Zhu, H. Zhu, J. Zhu, J. Zhu, X. Zichichi, A. Zimmermann, A. Zinovjev, G. Zoccarato, Y.D. Zynovyev, M. Zyzak, M.

Subjects
Nuclear Experiment
Abstract

Angular correlations between charged trigger and associated particles are measured by the ALICE detector in p-Pb collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV for transverse momentum ranges within 0.5

Published
2013

5. Examination of coalescence as the origin of nuclei in hadronic collisions

Author

Francesca Bellini, Maximiliano Puccio, Alexander Phillip Kalweit, Kfir Blum, Bellini F., Blum K., Kalweit A.P., and Puccio M.

Subjects
Coalescence (physics), Physics, nucl-th, hep-ex, 010308 nuclear & particles physics, Nuclear Theory, Hadron, hep-ph, Kinetic energy, 01 natural sciences, Hadronization, Nuclear physics, Momentum, (anti)nuclei, coalescence, nucleosynthesis, hypertriton, Nuclear Physics - Theory, 0103 physical sciences, Cluster (physics), Nuclear Experiment, 010306 general physics, Wave function, Particle Physics - Experiment, Hypertriton, Particle Physics - Phenomenology
Abstract

The origin of weakly-bound nuclear clusters in hadronic collisions is a key question to be addressed by heavy-ion collision (HIC) experiments. The measured yields of clusters are approximately consistent with expectations from phenomenological statistical hadronisation models (SHMs), but a theoretical understanding of the dynamics of cluster formation prior to kinetic freeze out is lacking. The competing model is nuclear coalescence, which attributes cluster formation to the effect of final state interactions (FSI) during the propagation of the nuclei from kinetic freeze out to the observer. This phenomenon is closely related to the effect of FSI in imprinting femtoscopic correlations between continuum pairs of particles at small relative momentum difference. We give a concise theoretical derivation of the coalescence--correlation relation, predicting nuclear cluster spectra from femtoscopic measurements. We review the fact that coalescence derives from a relativistic Bethe-Salpeter equation, and recall how effective quantum mechanics controls the dynamics of cluster particles that are nonrelativistic in the cluster centre of mass frame. We demonstrate that the coalescence--correlation relation is roughly consistent with the observed cluster spectra in systems ranging from PbPb to pPb and pp collisions. Paying special attention to nuclear wave functions, we derive the coalescence prediction for hypertriton and show that it, too, is roughly consistent with the data. Our work motivates a combined experimental programme addressing femtoscopy and cluster production under a unified framework. Upcoming pp, pPb and peripheral PbPb data analysed within such a programme could stringently test coalescence as the origin of clusters. The origin of weakly bound nuclear clusters in hadronic collisions is a key question to be addressed by heavy-ion collision (HIC) experiments. The measured yields of clusters are approximately consistent with expectations from phenomenological statistical hadronization models (SHMs), but a theoretical understanding of the dynamics of cluster formation prior to kinetic freeze-out is lacking. The competing model is nuclear coalescence, which attributes cluster formation to the effect of final state interactions (FSI) during the propagation of the nuclei from kinetic freeze-out to the observer. This phenomenon is closely related to the effect of FSI in imprinting femtoscopic correlations between continuum pairs of particles at small relative momentum difference. We give a concise theoretical derivation of the coalescence-correlation relation, predicting nuclear cluster spectra from femtoscopic measurements. We review the fact that coalescence derives from a relativistic Bethe-Salpeter equation, and recall how effective quantum mechanics controls the dynamics of cluster particles that are nonrelativistic in the cluster center-of-mass frame. We demonstrate that the coalescence-correlation relation is roughly consistent with the observed cluster spectra in systems ranging from PbPb to pPb and pp collisions. Paying special attention to nuclear wave functions, we derive the coalescence prediction for the hypertriton and show that it, too, is roughly consistent with the data. Our work motivates a combined experimental programme addressing femtoscopy and cluster production under a unified framework. Upcoming pp, pPb, and peripheral PbPb data analyzed within such a program could stringently test coalescence as the origin of clusters.

Published
2021
Full Text
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6. Testing production scenarios for (anti-)(hyper-)nuclei with multiplicity-dependent measurements at the LHC

Author

Alexander Philipp Kalweit, Francesca Bellini, Bellini F., and Kalweit A.P.

Subjects
Physics, Large Hadron Collider, 010308 nuclear & particles physics, Detector, Hadron, Nuclear Theory, FOS: Physical sciences, General Physics and Astronomy, Observable, hep-ph, Collision, 01 natural sciences, heavy-ion collisions, coalescence, statistical hadronization, thermal model, (anti)nuclei, hypernuclei, Whole systems, Nuclear physics, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), Pion, 0103 physical sciences, Multiplicity (chemistry), 010306 general physics, Nuclear Experiment, Particle Physics - Phenomenology
Abstract

The production of light anti- and hyper-nuclei provides unique observables to characterise the system created in high energy proton-proton (pp), proton-nucleus (pA) and nucleus-nucleus (AA) collisions. In particular, nuclei and hyper-nuclei are special objects with respect to non-composite hadrons (such as pions, kaons, protons, etc.), because their size is comparable to a fraction or the whole system created in the collision. Their formation is typically described within the framework of coalescence and thermal-statistical production models. In order to distinguish between the two production scenarios, we propose to measure the coalescence parameter B$_{A}$ for different anti- and hyper-nuclei (that differ by mass, size and internal wave-function) as a function of the size of the particle emitting source. The latter can be controlled by performing systematic measurements of light (anti-)(hyper-)nuclei in different collision systems (pp, pA, AA) and as a function of the multiplicity of particles created in the collision. While it is often argued that the coalescence and the thermal model approach give very similar predictions for the production of light nuclei in heavy-ion collisions, our study shows that large differences can be expected for hyper-nuclei with extended wave-functions, as the hyper-triton. We compare the model predictions with data from the ALICE experiment and we discuss perspectives for future measurements with the upgraded detectors during the High-Luminosity LHC phase in the next decade., 9 pages, 3 figures; proceedings of the XXV Cracow EPIPHANY Conference on Advances in Heavy Ion Physics, 8-11 January 2019

Published
2019

7. Testing production scenarios for (anti-)(hyper-)nuclei and exotica at energies available at the CERN Large Hadron Collider

Author

Francesca Bellini, Alexander Philipp Kalweit, Bellini F., and Kalweit A.P.

Subjects
Coalescence (physics), Quantum chromodynamics, Physics, Particle physics, Large Hadron Collider, 010308 nuclear & particles physics, Nuclear Theory, Collision, 7. Clean energy, 01 natural sciences, 0103 physical sciences, Production model, Multiplicity (chemistry), 010306 general physics, Wave function, Nuclear Experiment, (anti)nuclei, coalescence, statistical hadronization, thermal model, deuteron, helium, hypernuclei, hypertriton, heavy-ion collisions, Hypertriton
Abstract

We present a detailed comparison of coalescence and thermal-statistical models for the production of (anti-) (hyper-)nuclei in high-energy collisions. For the first time, such a study is carried out as a function of the size of the object relative to the size of the particle emitting source. Our study reveals large differences between the two scenarios for the production of objects with extended wave functions. While both models give similar predictions and show similar agreement with experimental data for (anti-)deuterons and (anti-)He3 nuclei, they largely differ in their description of (anti-)hypertriton production. We propose to address experimentally the comparison of the production models by measuring the coalescence parameter systematically for different (anti-)(hyper-)nuclei in different collision systems and differentially in multiplicity. Such measurements are feasible with the current and upgraded Large Hadron Collider experiments. Our findings highlight the unique potential of ultrarelativistic heavy-ion collisions as a laboratory to clarify the internal structure of exotic QCD objects and can serve as a basis for more refined calculations in the future.

Published
2019

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