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System-size dependence of open-heavy-flavor production in nucleus-nucleus collisions at root s(NN)=200 GeV

Authors
Adare, A.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Al-Bataineh, H.Alexander, J.Aoki, K.Apadula, N.Aphecetche, L.Armendariz, R.Aronson, S. H.Asai, J.Atomssa, E. T.Averbeck, R.Awes, T. C.Azmoun, B.Babintsev, V.Baksay, G.Baksay, L.Baldisseri, A.Barish, K. N.Barnes, P. D.Bassalleck, B.Bathe, S.Batsouli, S.Baublis, V.Baumgart, S.Bazilevsky, A.Belikov, S.Bennett, R.Berdnikov, Y.Bickley, A. A.Boissevain, J. G.Borel, H.Boyle, K.Brooks, M. L.Buesching, H.Bumazhnov, V.Bunce, G.Butsyk, S.Campbell, S.Chang, B. S.Charvet, J. -L.Chernichenko, S.Chi, C. Y.Chiba, J.Chiu, M.Choi, I. J.Chujo, T.Chung, P.Churyn, A.Cianciolo, V.Cleven, C. R.Cole, B. A.Comets, M. P.Constantin, P.Csanad, M.Csoergo, T.Dahms, T.Das, K.David, G.Deaton, M. B.Dehmelt, K.Delagrange, H.Denisov, A.d'Enterria, D.Deshpande, A.Desmond, E. J.Dietzsch, O.Dion, A.Donadelli, M.Drapier, O.Drees, A.Dubey, A. K.Durham, J. M.Durum, A.Dzhordzhadze, V.Efremenko, Y. V.Egdemir, J.Ellinghaus, F.Emam, W. S.Enokizono, A.En'yo, H.Esumi, S.Eyser, K. O.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.Gadrat, S.Garishvili, I.Glenn, A.Gong, H.Gonin, M.Gosset, J.Goto, Y.de Cassagnac, R. GranierGrau, N.Greene, S. V.Perdekamp, M. GrosseGunji, T.Gustafsson, H. -A.Hachiya, T.Henni, A. HadjHaegemann, C.Haggerty, J. S.Hamagaki, H.Han, R.Harada, H.Hartouni, E. P.Haruna, K.Haslum, E.Hayano, R.He, X.Heffner, M.Hemmick, T. K.Hester, T.Hiejima, H.Hill, J. C.Hobbs, R.Hohlmann, M.Holzmann, W.Homma, K.Hong, B.Horaguchi, T.Hornback, D.Ichihara, T.Iinuma, H.Imai, K.Inaba, M.Inoue, Y.Isenhower, D.Isenhower, L.Ishihara, M.Isobe, T.Issah, M.Isupov, A.Jacak, B. V.Jia, J.Jin, J.Jinnouchi, O.Johnson, B. M.Joo, K. S.Jouan, D.Kajihara, F.Kametani, S.Kamihara, N.Kamin, J.Kaneta, M.Kang, J. H.Kanou, H.Kawall, D.Kazantsev, A. V.Khanzadeev, A.Kikuchi, J.Kim, D. H.Kim, D. J.Kim, E.Kinney, E.Kiss, A.Kistenev, E.Kiyomichi, A.Klay, J.Klein-Boesing, C.Kochenda, L.Kochetkov, V.Komkov, B.Konno, M.Kotchetkov, D.Kozlov, A.Kral, A.Kravitz, A.Kubart, J.Kunde, G. J.Kurihara, N.Kurita, K.Kweon, M. J.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y. S.Lajoie, J. G.Lebedev, A.Lee, D. M.Lee, M. K.Lee, T.Leitch, M. J.Leite, M. A. L.Lenzi, B.Li, X.Liska, T.Litvinenko, A.Liu, M. X.Love, B.Lynch, D.Maguire, C. F.Makdisi, Y. I.Malakhov, A.Malik, M. D.Manko, V. I.Mao, Y.Masek, L.Masui, H.Matathias, F.McCumber, M.McGaughey, P. L.McGlinchey, D.Miake, Y.Mikes, P.Miki, K.Miller, T. E.Milov, A.Mioduszewski, S.Mishra, M.Mitchell, J. T.Mitrovski, M.Morreale, A.Morrison, D. P.Moukhanova, T. V.Mukhopadhyay, D.Murata, J.Nagamiya, S.Nagata, Y.Nagle, J. L.Naglis, M.Nakagawa, I.Nakamiya, Y.Nakamura, T.Nakano, K.Newby, J.Nguyen, M.Norman, B. E.Nouicer, R.Nyanin, A. S.O'Brien, E.Oda, S. X.Ogilvie, C. A.Ohnishi, H.Oka, M.Okada, K.Omiwade, O. O.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Pal, D.Palounek, A. P. T.Pantuev, V.Papavassiliou, V.Park, J.Park, W. J.Pate, S. F.Pei, H.Peng, J. -C.Pereira, H.Peresedov, V.Peressounko, D. Yu.Pinkenburg, C.Purschke, M. L.Purwar, A. K.Qu, H.Rak, J.Rakotozafindrabe, A.Ravinovich, I.Read, K. F.Rembeczki, S.Reuter, M.Reygers, K.Riabov, V.Riabov, Y.Roche, G.Romana, A.Rosati, M.Rosendahl, S. S. E.Rosnet, P.Rukoyatkin, P.Rykov, V. L.Sahlmueller, B.Saito, N.Sakaguchi, T.Sakai, S.Sakata, H.Samsonov, V.Sato, S.Sawada, S.Seele, J.Seidl, R.Semenov, V.Seto, R.Sharma, D.Shein, I.Shevel, A.Shibata, T. -A.Shigaki, K.Shimomura, M.Shoji, K.Sickles, A.Silva, C. L.Silvermyr, D.Silvestre, C.Sim, K. S.Singh, C. P.Singh, V.Skutnik, S.Slunecka, M.Soldatov, A.Soltz, R. A.Sondheim, W. E.Sorensen, S. P.Sourikova, I. V.Staley, F.Stankus, P. W.Stenlund, E.Stepanov, M.Ster, A.Stoll, S. P.Sugitate, T.Suire, C.Sziklai, J.Tabaru, T.Takagi, S.Takagui, E. M.Taketani, A.Tanaka, Y.Tanida, K.Tannenbaum, M. J.Taranenko, A.Tarjan, P.Thomas, T. L.Togawa, M.Toia, A.Tojo, J.Tomasek, L.Torii, H.Towell, R. S.Tram, V-N.Tserruya, I.Tsuchimoto, Y.Vale, C.Valle, H.van Hecke, H. W.Velkovska, J.Vertesi, R.Vinogradov, A. A.Virius, M.Vrba, V.Vznuzdaev, E.Wagner, M.Walker, D.Wang, X. R.Watanabe, Y.Wessels, J.White, S. N.Winter, D.Woody, C. L.Wysocki, M.Xie, W.Yamaguchi, Y. L.Yanovich, A.Yasin, Z.Ying, J.Yokkaichi, S.Young, G. R.Younus, I.Yushmanov, I. E.Zajc, W. A.Zaudtke, O.Zhang, C.Zhou, S.Zimanyi, J.Zolin, L.
Issue Date
5-9월-2014
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW C, v.90, no.3
Indexed
SCIE
SCOPUS
Journal Title
PHYSICAL REVIEW C
Volume
90
Number
3
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/97416
DOI
10.1103/PhysRevC.90.034903
ISSN
0556-2813
Abstract
The PHENIX Collaboration at the Relativistic Heavy Ion Collider has measured open-heavy-flavor production in Cu + Cu collisions at v root s(NN) = 200 GeV through the measurement of electrons at midrapidity that originate from semileptonic decays of charm and bottom hadrons. In peripheral Cu + Cu collisions an enhanced production of electrons is observed relative to p + p collisions scaled by the number of binary collisions. In the transverse momentum range from 1 to 5 GeV/c the nuclear modification factor is R-AA similar to 1.4. As the system size increases to more central Cu + Cu collisions, the enhancement gradually disappears and turns into a suppression. For p(T) > 3 GeV/c, the suppression reaches R-AA similar to 0.8 in the most central collisions. The p(T) and centrality dependence of R-AA in Cu + Cu collisions agree quantitatively with R-AA in d + Au and Au + Au collisions, if compared at a similar number of participating nucleons < N-part >.
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