학술논문

Long-range angular correlations on the near and away side in p-Pb collisions at root S-NN=5.02 TeV
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Author
Abelev, BettyAdam, JaroslavAdamova, DagmarAdare, Andrew MarshallAggarwal, MadanRinella, Gianluca AglieriAgnello, MichelangeloAgocs, Andras GaborAgostinelli, AndreaAhammed, ZubayerAhmad, NazeerAhmad, ArshadAhn, Sul-AhAhn, Sang UnAjaz, MuhammadAkindinov, AlexanderAleksandrov, DmitryAlessandro, BrunoAlici, AndreaAlkin, AntonAlmaraz Avina, Erick JonathanAlme, JohanAlt, TorstenAltini, ValerioAltinpinar, SedatAltsybeev, IgorAndrei, CristianAndronic, AntonAnguelov, VenelinAnielski, JonasAnson, Christopher DanielAnticic, TomeAntinori, FedericoAntonioli, PietroAphecetche, Laurent BernardAppelshauser, HaraldArbor, NicolasArcelli, SilviaArend, AndreasArmesto, NestorArnaldi, RobertaAronsson, Tomas RobertArsene, Ionut CristianArslandok, MesutAsryan, AndzheyAugustinus, AndreAverbeck, Ralf PeterAwes, TerryAysto, Juha HeikkiAzmi, Mohd DanishBach, Matthias JakobBadala, AngelaBaek, Yong WookBailhache, Raphaelle MarieBala, RenuFerroli, Rinaldo BaldiniBaldisseri, AlbertoDos Santos Pedrosa, Fernando BaltasarBan, JaroslavBaral, Rama ChandraBarbera, RobertoBarile, FrancescoBarnafoldi, Gergely GaborBarnby, Lee StuartBarret, ValerieBartke, Jerzy GustawBasile, MaurizioBastid, NicoleBasu, SumitBathen, BastianBatigne, GuillaumeBatyunya, BorisBaumann, Christoph HeinrichBearden, Ian GardnerBeck, HansBehera, Nirbhay KumarBelikov, IouriBellini, FrancescaBellwied, ReneBelmont-Moreno, ErnestoBencedi, GyulaBeole, StefaniaBerceanu, IonelaBercuci, AlexandruBerdnikov, YaroslavBerenyi, DanielBergognon, Anais Annick EricaBerzano, DarioBetev, LatchezarBhasin, AnjuBhati, Ashok KumarBhom, JihyunBianchi, LivioBianchi, NicolaBielcik, JaroslavBielcikova, JanaBilandzic, AnteBjelogrlic, SandroBlanco, FrancescoBlanco, F.Blau, DmitryBlume, ChristophBoccioli, MarcoBoettger, StefanBogdanov, AlexeyBoggild, HansBogolyubsky, MikhailBoldizsar, LaszloBombara, MarekBook, JulianBorel, HerveBorissov, AlexanderBossu, FrancescoBotje, MichielBotta, ElenaBraidot, ErmesBraun-Munzinger, PeterBregant, MarcoBreitner, Timo GuntherBroker, Theo AlexanderBrowning, Tyler AllenBroz, MichalBrun, ReneBruna, ElenaBruno, Giuseppe EugenioBudnikov, DmitryBuesching, HennerBufalino, StefaniaBuncic, PredragBusch, OliverButhelezi, Edith ZinhleOrduna, Diego CaballeroCaffarri, DavideCai, XuCaines, Helen LouiseCalvo Villar, ErnestoCamerini, PaoloRoman, Veronica CanoaRomeo, Giovanni CaraCarena, WislaCarena, FrancescoCarlin Filho, NelsonCarminati, FedericoDiaz, Amaya Ofelia CasanovaCastellanos, Javier Ernesto CastilloHernandez, Juan Francisco CastilloCasula, Ester Anna RitaCatanescu, VasileCavicchioli, CostanzaCeballos Sanchez, CesarCepila, JanCerello, PiergiaioChang, BeomsuChapeland, SylvainCharvet, Jean-Luc FernandChattopadhyay, SukalyanChattopadhyay, SubhasisChawla, IshaCherney, Michael GerardCheshkov, CvetanCheynis, BrigitteBarroso, Vasco Miguel ChibanteChinellato, DavidChochula, PeterChojnacki, MarekChoudhury, SubikashChristakoglou, PanagiotisChristensen, Christian HolmChristiansen, PeterChujo, TatsuyaChung, Suh-UrkCicalo, CorradoCifarelli, LuisaCindolo, FedericoCleymans, Jean Willy AndreCoccetti, FabrizioColamaria, FabioColella, DomenicoCollu, AlbertoBalbastre, Gustavo Conesadel Valle, Zaida ConesaConnors, Megan ElizabethContin, GiacomoGuillermo Contreras, JesusCormier, Thomas MichaelMorales, Yasser CorralesCortese, PietroCortes Maldonado, IsmaelCosentino, Mauro RogerioCosta, FilippoEnrique Cotallo, ManuelCrescio, ElisabettaCrochet, PhilippeCruz Alaniz, EmiliaCruz Albino, RigobertoCuautle, EleazarCunqueiro, LeticiaDainese, AndreaDalsgaard, Hans HjersingDanu, AndreaDas, IndranilDas, DebasishDas, SupriyaDas, KushalDash, Ajay KumarDash, SadhanaDe, Sudipande Barros, GabrielDe Caro, Annalisade Cataldo, GiacintoCuveland, Jan deDe Falco, AlessandroDe Gruttola, DanieleDelagrange, HuguesDeloff, AndrzejDe Marco, NoraDenes, ErvinDe Pasquale, SalvatoreDeppman, AirtonD'Erasmo, Ginevrade Rooij, Raoul StefanDiaz Corchero, Miguel AngelDi Bari, DomenicoDietel, ThomasDi Giglio, CarmeloDi Liberto, SergioDi Mauro, AntonioDi Nezza, PasqualeDivia, RobertoDjuvsland, OeysteinDobrin, AlexandruDobrowolski, Tadeusz AntoniDonigus, BenjaminDordic, OljaDriga, OlgaDubey, Anand KumarDubla, AndreaDucroux, LaurentDupieux, PascalMajumdar, A. K. 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Source
Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. 719(1-3):29-41
Subject
Naturvetenskap
Fysik
Subatomär fysik
Natural Sciences
Physical Sciences
Subatomic Physics
Language
English
ISSN
0370-2693
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 < P-T,P-assoc < P-T,P-trig < 4 GeV/c. The correlations are measured over two units of pseudorapidity and full azimuthal angle in different intervals of event multiplicity, and expressed as associated yield per trigger particle. Two long-range ridge-like structures, one on the near side and one on the away side, are observed when the per-trigger yield obtained in low-multiplicity events is subtracted from the one in high-multiplicity events. The excess on the near-side is qualitatively similar to that recently reported by the CMS Collaboration, while the excess on the away-side is reported for the first time. The two-ridge structure projected onto azimuthal angle is quantified with the second and third Fourier coefficients as well as by near-side and away-side yields and widths. The yields on the near side and on the away side are equal within the uncertainties for all studied event multiplicity and p(T) bins, and the widths show no significant evolution with event multiplicity or p(T). These findings suggest that the near-side ridge is accompanied by an essentially identical away-side ridge. (c) 2013 CERN. Published by Elsevier B.V. All rights reserved.