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Cold-nuclear-matter effects on heavy-quark production at forward and backward rapidity in d+Au collisions at sNN =200GeV

  • A. Adare
  • , C. Aidala
  • , N. N. Ajitanand
  • , Y. Akiba
  • , R. Akimoto
  • , H. Al-Bataineh
  • , H. Al-Ta'Ani
  • , J. Alexander
  • , K. R. Andrews
  • , A. Angerami
  • , K. Aoki
  • , N. Apadula
  • , E. Appelt
  • , Y. Aramaki
  • , R. Armendariz
  • , E. C. Aschenauer
  • , E. T. Atomssa
  • , R. Averbeck
  • , T. C. Awes
  • , B. Azmoun
  • V. Babintsev, M. Bai, G. Baksay, L. Baksay, B. Bannier, K. N. Barish, B. Bassalleck, A. T. Basye, S. Bathe, V. Baublis, C. Baumann, A. Bazilevsky, S. Belikov, R. Belmont, J. Ben-Benjamin, R. Bennett, J. H. Bhom, D. S. Blau, J. S. Bok, K. Boyle, M. L. Brooks, D. Broxmeyer, H. Buesching, V. Bumazhnov, G. Bunce, S. Butsyk, S. Campbell, A. Caringi, P. Castera, C. H. Chen, C. Y. Chi, M. Chiu, I. J. Choi, J. B. Choi, R. K. Choudhury, P. Christiansen, T. Chujo, P. Chung, O. Chvala, V. Cianciolo, Z. Citron, B. A. Cole, Z. Conesa Del Valle, M. Connors, M. Csanád, T. Csörgo, T. Dahms, S. Dairaku, I. Danchev, K. Das, A. Datta, G. David, M. K. Dayananda, A. Denisov, A. Deshpande, E. J. Desmond, K. V. Dharmawardane, O. Dietzsch, A. Dion, M. Donadelli, O. Drapier, A. Drees, K. A. Drees, J. M. Durham, A. Durum, D. Dutta, L. D'Orazio, S. Edwards, Y. V. Efremenko, F. Ellinghaus, T. Engelmore, A. Enokizono, H. En'Yo, S. Esumi, B. Fadem, D. E. Fields, M. Finger, M. Finger, F. Fleuret, S. L. Fokin, Z. Fraenkel, J. E. Frantz, A. Franz, A. D. Frawley, K. Fujiwara, Y. Fukao, T. Fusayasu, C. Gal, I. Garishvili, A. Glenn, H. Gong, X. Gong, M. Gonin, Y. Goto, R. Granier De Cassagnac, N. Grau, S. V. Greene, G. Grim, M. Grosse Perdekamp, T. Gunji, L. Guo, H. A. Gustafsson, J. S. Haggerty, K. I. Hahn, H. Hamagaki, J. Hamblen, R. Han, J. Hanks, C. Harper, K. Hashimoto, E. Haslum, R. Hayano, X. He, M. Heffner, T. K. Hemmick, T. Hester, J. C. Hill, M. Hohlmann, R. S. Hollis, W. Holzmann, K. Homma, B. Hong, T. Horaguchi, Y. Hori, D. Hornback, S. Huang, T. Ichihara, R. Ichimiya, H. Iinuma, Y. Ikeda, K. Imai, M. Inaba, A. Iordanova, D. Isenhower, M. Ishihara, M. Issah, D. Ivanischev, Y. Iwanaga, B. V. Jacak, J. Jia, X. Jiang, J. Jin, D. John, B. M. Johnson, T. Jones, K. S. Joo, D. Jouan, D. S. Jumper, F. Kajihara, J. Kamin, S. Kaneti, B. H. Kang, J. H. Kang, J. S. Kang, J. Kapustinsky, K. Karatsu, M. Kasai, D. Kawall, M. Kawashima, A. V. Kazantsev, T. Kempel, A. Khanzadeev, K. M. Kijima, J. Kikuchi, A. Kim, B. I. Kim, D. J. Kim, E. J. Kim, Y. J. Kim, Y. K. Kim, E. Kinney, A. Kiss, E. Kistenev, D. Kleinjan, P. Kline, L. Kochenda, B. Komkov, M. Konno, J. Koster, D. Kotov, A. Král, A. Kravitz, G. J. Kunde, K. Kurita, M. Kurosawa, Y. Kwon, G. S. Kyle, R. Lacey, Y. S. Lai, J. G. Lajoie, A. Lebedev, D. M. Lee, J. Lee, K. B. Lee, K. S. Lee, S. H. Lee, S. R. Lee, M. J. Leitch, M. A.L. Leite, X. Li, P. Lichtenwalner, P. Liebing, S. H. Lim, L. A. Linden Levy, T. Liška, H. Liu, M. X. Liu, B. Love, D. Lynch, C. F. Maguire, Y. I. Makdisi, M. D. Malik, A. Manion, V. I. Manko, E. Mannel, Y. Mao, H. Masui, F. Matathias, M. McCumber, P. L. McGaughey, D. McGlinchey, C. McKinney, N. Means, M. Mendoza, B. Meredith, Y. Miake, T. Mibe, A. C. Mignerey, K. Miki, A. Milov, J. T. Mitchell, Y. Miyachi, A. K. Mohanty, H. J. Moon, Y. Morino, A. Morreale, D. P. Morrison, S. Motschwiller, T. V. Moukhanova, T. Murakami, J. Murata, S. Nagamiya, J. L. Nagle, M. Naglis, M. I. Nagy, I. Nakagawa, Y. Nakamiya, K. R. Nakamura, T. Nakamura, K. Nakano, S. Nam, J. Newby, M. Nguyen, M. Nihashi, R. Nouicer, A. S. Nyanin, C. Oakley, E. O'Brien, S. X. Oda, C. A. Ogilvie, M. Oka, K. Okada, Y. Onuki, A. Oskarsson, M. Ouchida, K. Ozawa, R. Pak, V. Pantuev, V. Papavassiliou, B. H. Park, I. H. Park, S. K. Park, W. J. Park, S. F. Pate, L. Patel, H. Pei, J. C. Peng, H. Pereira, D. Yu Peressounko, R. Petti, C. Pinkenburg, R. P. Pisani, M. Proissl, M. L. Purschke, H. Qu, J. Rak, I. Ravinovich, K. F. Read, S. Rembeczki, K. Reygers, V. Riabov, Y. Riabov, E. Richardson, D. Roach, G. Roche, S. D. Rolnick, M. Rosati, C. A. Rosen, S. S.E. Rosendahl, P. RuŽička, B. Sahlmueller, N. Saito, T. Sakaguchi, K. Sakashita, V. Samsonov, S. Sano, M. Sarsour, T. Sato, M. Savastio, S. Sawada, K. Sedgwick, J. Seele, R. Seidl, R. Seto, D. Sharma, I. Shein, T. A. Shibata, K. Shigaki, H. H. Shim, M. Shimomura, K. Shoji, P. Shukla, A. Sickles, C. L. Silva, D. Silvermyr, C. Silvestre, K. S. Sim, B. K. Singh, C. P. Singh, V. Singh, M. Slunečka, T. Sodre, R. A. Soltz, W. E. Sondheim, S. P. Sorensen, I. V. Sourikova, P. W. Stankus, E. Stenlund, S. P. Stoll, T. Sugitate, A. Sukhanov, J. Sun, J. Sziklai, E. M. Takagui, A. Takahara, A. Taketani, R. Tanabe, Y. Tanaka, S. Taneja, K. Tanida, M. J. Tannenbaum, S. Tarafdar, A. Taranenko, E. Tennant, H. Themann, D. Thomas, T. L. Thomas, M. Togawa, A. Toia, L. Tomášek, M. Tomášek, H. Torii, R. S. Towell, I. Tserruya, Y. Tsuchimoto, K. Utsunomiya, C. Vale, H. Valle, H. W. Van Hecke, E. Vazquez-Zambrano, A. Veicht, J. Velkovska, R. Vértesi, M. Virius, A. Vossen, V. Vrba, E. Vznuzdaev, X. R. Wang, D. Watanabe, K. Watanabe, Y. Watanabe, Y. S. Watanabe, F. Wei, R. Wei, J. Wessels, S. N. White, D. Winter, C. L. Woody, R. M. Wright, M. Wysocki, Y. L. Yamaguchi, K. Yamaura, R. Yang, A. Yanovich, J. Ying, S. Yokkaichi, J. S. Yoo, Z. You, G. R. Young, I. Younus, I. E. Yushmanov, W. A. Zajc, A. Zelenski, S. Zhou
  • University of Colorado Boulder
  • Los Alamos National Laboratory
  • University of Massachusetts
  • University of Michigan, Ann Arbor
  • Stony Brook University
  • RIKEN
  • Riken BNL Research Center
  • The University of Tokyo
  • New Mexico State University
  • Abilene Christian University
  • Columbia University
  • Kyoto University
  • Vanderbilt University
  • University of California at Riverside
  • Brookhaven National Laboratory
  • Laboratoire Leprince-Ringuet
  • Oak Ridge National Laboratory
  • NRC Kurchatov Institute IHEP
  • Florida Institute of Technology
  • University of New Mexico
  • City University of New York
  • Petersburg Nuclear Physics Institute (PNPI)
  • University of Münster
  • Muhlenberg College
  • Yonsei University
  • Russian Research Centre Kurchatov Institute
  • University of Illinois at Urbana-Champaign
  • Jeonbuk National University
  • Homi Bhabha National Institute
  • Lund University
  • University of Tsukuba
  • Eötvös Loránd University
  • Hungarian Academy of Sciences
  • Florida State University
  • Georgia State University
  • Universidade de São Paulo
  • Iowa State University
  • University of Maryland, College Park
  • Charles University
  • Weizmann Institute of Science
  • Ohio University
  • Nagasaki Institute of Applied Science
  • University of Tennessee
  • Lawrence Livermore National Laboratory
  • Augustana College, Sioux Falls
  • Ewha Womans University
  • Peking University
  • Rikkyo University
  • Hiroshima University
  • Korea University
  • High Energy Accelerator Research Organization, Tsukuba
  • Japan Atomic Energy Agency
  • Myongji University
  • Université Paris-Saclay
  • Hanyang University
  • Waseda University
  • University of Jyväskylä
  • Czech Technical University in Prague
  • China National Nuclear Corporation
  • Institute of Science Tokyo
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • CEA Saclay
  • Université Blaise Pascal
  • Czech Academy of Sciences
  • Banaras Hindu University
  • Seoul National University
  • Lahore University of Management Sciences

Research output: Contribution to journalJournal articlepeer-review

Abstract

The PHENIX experiment has measured open heavy-flavor production via semileptonic decay over the transverse momentum range 1<pT<6GeV/c at forward and backward rapidity (1.4<|y|<2.0) in d+Au and p+p collisions at sNN=200GeV. In central d+Au collisions, relative to the yield in p+p collisions scaled by the number of binary nucleon-nucleon collisions, a suppression is observed at forward rapidity (in the d-going direction) and an enhancement at backward rapidity (in the Au-going direction). Predictions using nuclear-modified-parton-distribution functions, even with additional nuclear-pT broadening, cannot simultaneously reproduce the data at both rapidity ranges, which implies that these models are incomplete and suggests the possible importance of final-state interactions in the asymmetric d+Au collision system. These results can be used to probe cold-nuclear-matter effects, which may significantly affect heavy-quark production, in addition to helping constrain the magnitude of charmonia-breakup effects in nuclear matter.

Original languageEnglish
Article number252301
JournalPhysical Review Letters
Volume112
Issue number25
DOIs
StatePublished - 2014.06.25

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