Cold-Nuclear-Matter Effects on Heavy-Quark Production in d+Au Collisions at root S-NN=200 GeV

  • Adare, A.
  • Aidala, C.
  • Ajitanand, N. N.
  • Akiba, Y.
  • Al-Bataineh, H.
  • ... Hong, B.
  • 외 370명
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74
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86

초록

The PHENIX experiment has measured electrons and positrons at midrapidity from the decays of hadrons containing charm and bottom quarks produced in d + Au and p + p collisions at root S-NN = 200 GeV in the transverse-momentum range 0.85 <= p(T)(e) <= 8.5 GeV/c. In central d + Au collisions, the nuclear modification factor R-dA at 1.5 < p(T) < 5 GeV/c displays evidence of enhancement of these electrons, relative to those produced in p + p collisions, and shows that the mass-dependent Cronin enhancement observed at the Relativistic Heavy Ion Collider extends to the heavy D meson family. A comparison with the neutral-pion data suggests that the difference in cold-nuclear-matter effects on light- and heavy-flavor mesons could contribute to the observed differences between the pi(0) and heavy-flavor-electron nuclear modification factors R-AA. DOI: 10.1103/PhysRevLett.109.242301

키워드

GLUON PLASMACOLLABORATIONPERSPECTIVE
제목
Cold-Nuclear-Matter Effects on Heavy-Quark Production in d+Au Collisions at root S-NN=200 GeV
저자
Adare, A.Aidala, C.Ajitanand, N. N.Akiba, Y.Al-Bataineh, H.Alexander, J.Angerami, A.Aoki, K.Apadula, N.Aramaki, Y.Atomssa, E. T.Averbeck, R.Awes, T. C.Azmoun, B.Babintsev, V.Bai, M.Baksay, G.Baksay, L.Barish, K. N.Bassalleck, B.Basye, A. T.Bathe, S.Baublis, V.Baumann, C.Bazilevsky, A.Belikov, S.Belmont, R.Bennett, R.Berdnikov, A.Berdnikov, Y.Bhom, J. H.Blau, D. S.Bok, J. S.Boyle, K.Brooks, M. L.Buesching, H.Bumazhnov, V.Bunce, G.Butsyk, S.Campbell, S.Caringi, A.Chen, C. -H.Chi, C. Y.Chiu, M.Choi, I. J.Choi, J. B.Choudhury, R. K.Christiansen, P.Chujo, T.Chung, P.Chvala, O.Cianciolo, V.Citron, Z.Cole, B. A.del Valle, Z. ConesaConnors, M.Csanad, M.Csoergo, T.Dahms, T.Dairaku, S.Danchev, I.Das, K.Datta, A.David, G.Dayananda, M. K.Denisov, A.Deshpande, A.Desmond, E. J.Dharmawardane, K. V.Dietzsch, O.Dion, A.Donadelli, M.Drapier, O.Drees, A.Drees, K. A.Durham, J. M.Durum, A.Dutta, D.D'Orazio, L.Edwards, S.Efremenko, Y. V.Ellinghaus, F.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Fadem, B.Fields, D. E.Finger, M.Finger, M., Jr.Fleuret, F.Fokin, S. L.Fraenkel, Z.Frantz, J. E.Franz, A.Frawley, A. D.Fujiwara, K.Fukao, Y.Fusayasu, T.Garishvili, I.Glenn, A.Gong, H.Gonin, M.Goto, Y.de Cassagnac, R. GranierGrau, N.Greene, S. V.Grim, G.Perdekamp, M. GrosseGunji, T.Gustafsson, H. -A.Haggerty, J. S.Hahn, K. I.Hamagaki, H.Hamblen, J.Han, R.Hanks, J.Haslum, E.Hayano, R.He, X.Heffner, M.Hemmick, T. K.Hester, T.Hill, J. C.Hohlmann, M.Holzmann, W.Homma, K.Hong, B.Horaguchi, T.Hornback, D.Huang, S.Ichihara, T.Ichimiya, R.Ikeda, Y.Imai, K.Inaba, M.Isenhower, D.Ishihara, M.Issah, M.Ivanischev, D.Iwanaga, Y.Jacak, B. V.Jia, J.Jiang, X.Jin, J.Johnson, B. M.Jones, T.Joo, K. S.Jouan, D.Jumper, D. S.Kajihara, F.Kamin, J.Kang, J. H.Kapustinsky, J.Karatsu, K.Kasai, M.Kawall, D.Kawashima, M.Kazantsev, A. V.Kempel, T.Khanzadeev, A.Kijima, K. M.Kikuchi, J.Kim, A.Kim, B. I.Kim, D. J.Kim, E. -J.Kim, Y. -J.Kinney, E.Kiss, A.Kistenev, E.Kleinjan, D.Kochenda, L.Komkov, B.Konno, M.Koster, J.Kral, A.Kravitz, A.Kunde, G. J.Kurita, K.Kurosawa, M.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y. S.Lajoie, J. G.Lebedev, A.Lee, D. M.Lee, J.Lee, K. B.Lee, K. S.Leitch, M. J.Leite, M. A. L.Li, X.Lichtenwalner, P.Liebing, P.Levy, L. A. LindenLiska, T.Liu, H.Liu, M. X.Love, B.Lynch, D.Maguire, C. F.Makdisi, Y. I.Malik, M. D.Manko, V. I.Mannel, E.Mao, Y.Masui, H.Matathias, F.McCumber, M.McGaughey, P. L.Means, N.Meredith, B.Miake, Y.Mibe, T.Mignerey, A. C.Miki, K.Milov, A.Mitchell, J. T.Mohanty, A. K.Moon, H. J.Morino, Y.Morreale, A.Morrison, D. P.Moukhanova, T. V.Murakami, T.Murata, J.Nagamiya, S.Nagle, J. L.Naglis, M.Nagy, M. I.Nakagawa, I.Nakamiya, Y.Nakamura, K. R.Nakamura, T.Nakano, K.Nam, S.Newby, J.Nguyen, M.Nihashi, M.Nouicer, R.Nyanin, A. S.Oakley, C.O'Brien, E.Oda, S. X.Ogilvie, C. A.Oka, M.Okada, K.Onuki, Y.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Pantuev, V.Papavassiliou, V.Park, I. H.Park, S. K.Park, W. J.Pate, S. F.Pei, H.Peng, J. -C.Pereira, H.Peressounko, D. Yu.Petti, R.Pinkenburg, C.Pisani, R. P.Proissl, M.Purschke, M. L.Qu, H.Rak, J.Ravinovich, I.Read, K. F.Rembeczki, S.Reygers, K.Riabov, V.Riabov, Y.Richardson, E.Roach, D.Roche, G.Rolnick, S. D.Rosati, M.Rosen, C. A.Rosendahl, S. S. E.Ruzicka, P.Sahlmueller, B.Saito, N.Sakaguchi, T.Sakashita, K.Samsonov, V.Sano, S.Sato, T.Sawada, S.Sedgwick, K.Seele, J.Seidl, R.Seto, R.Sharma, D.Shein, I.Shibata, T. -A.Shigaki, K.Shimomura, M.Shoji, K.Shukla, P.Sickles, A.Silva, C. L.Silvermyr, D.Silvestre, C.Sim, K. S.Singh, B. K.Singh, C. P.Singh, V.Slunecka, M.Soltz, R. A.Sondheim, W. E.Sorensen, S. P.Sourikova, I. V.Stankus, P. W.Stenlund, E.Stoll, S. P.Sugitate, T.Sukhanov, A.Sziklai, J.Takagui, E. M.Taketani, A.Tanabe, R.Tanaka, Y.Taneja, S.Tanida, K.Tannenbaum, M. J.Tarafdar, S.Taranenko, A.Themann, H.Thomas, D.Thomas, T. L.Togawa, M.Toia, A.Tomasek, L.Torii, H.Towell, R. S.Tserruya, I.Tsuchimoto, Y.Vale, C.Valle, H.van Hecke, H. W.Vazquez-Zambrano, E.Veicht, A.Velkovska, J.Vertesi, R.Virius, M.Vrba, V.Vznuzdaev, E.Wang, X. R.Watanabe, D.Watanabe, K.Watanabe, Y.Wei, F.Wei, R.Wessels, J.White, S. N.Winter, D.Woody, C. L.Wright, R. M.Wysocki, M.Yamaguchi, Y. L.Yamaura, K.Yang, R.Yanovich, A.Ying, J.Yokkaichi, S.You, Z.Young, G. R.Younus, I.Yushmanov, I. E.Zajc, W. A.Zhou, S.
DOI
10.1103/PhysRevLett.109.242301
발행일
2012-12-12
유형
Article
저널명
Physical Review Letters
109
24