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| 題名: | Υ(1S+2S+3S) production in d+Au and p+p collisions at √s NN=200 GeV and cold-nuclear-matter effects |
| 作者: | 彭仁傑;Al-Bataineh, H.;Al-Ta&apos, H.;ani;Aoki, K.;Apadula, N.;Appelt, E.;Atomssa, E. T.;Averbeck, R.;Azmoun, B.;Babintsev, V.;Baksay, G.;Basye, A. T.;Baublis, V.;Brooks, M. L.;Buesching, H.;Bunce, G.;Castera, P.;Chang, B. S.;Chang, W. C.;Choudhury, R. K.;Chvala, O.;Citron, Z.;Valle, Z. Conesa del;Csanád, M.;Danchev, I.;Das, K.;Dayananda, M. K.;Deshpande, A.;Desmond, E. J.;Donadelli, M.;Drees, K. A.;Durum, A.;Edwards, S.;Fokin, S. L.;Fukao, Y.;Cassagnac, R. Granier de;Grau, N.;Grim, G.;Perdekamp, M. Grosse;Gunji, T.;Hahn, K. I.;Hill, J. C.;Hong, B.;Ichimiya, R.;Isupov, A.;Joo, K. S.;Jumper, D. S.;Kapustinsky, J.;Kawall, D.;Kravitz, A.;Kweon, M. J.;Kwon, Y.;Lajoie, J. G.;Lee, S. R.;Leite, M. A. L.;Lenzi, B.;Lichtenwalner, P.;Liška, T.;Means, N.;Mibe, T.;Milov, A.;Morrison, D. P.;Motschwiller, S.;Nagle, J. L.;Nakagawa, I.;Nakamura, K. R.;Nyanin, A. S.;Ozawa, K.;Pantuev, V.;Papavassiliou, V.;Park, W. J.;Pate, S. F.;Peng, J.-C.;Purschke, M. L.;Reygers, K.;Roche, G.;Rosen, C. A.;Sahlmueller, B.;Sato, T.;Sedgwick, K.;Sharma, D.;Shimomura, M.;Shoji, K.;Shukla, P.;Sickles, A.;Singh, V.;Soldatov, A.;Sorensen, S. P.;Stenlund, E.;Taneja, S.;Tomášek, L.;Torii, H.;Vznuzdaev, E.;Watanabe, Y. S.;Wei, R.;Woody, C. L.;Xie, W.;Yamaguchi, Y. L.;Yang, R.;Zelenski, A.;Zhou, S. |
| 貢獻者: | 高能與強場物理研究中心 |
| 日期: | 2013-04-25 |
| 上傳時間: | 2026-04-23 12:08:06 (UTC+8) |
| 出版者: | American Physical Society;American Physical Society (APS) |
| 摘要: | 摘要： The three gamma states, gamma (1S + 2S + 3S), are measured in d + Au and p + p collisions at root s(NN) = 200 GeV and rapidities 1.2 < vertical bar y vertical bar < 2.2 by the PHENIX experiment at the Relativistic Heavy Ion Collider. Cross sections for the inclusive gamma (1S + 2S + 3S) production are obtained. The inclusive yields per binary collision for d + Au collisions relative to those in p + p collisions (R-dAu) are found to be 0.62 +/- 0.26 (stat) +/- 0.13 (syst) in the gold-going direction and 0.91 +/- 0.33 (stat) +/- 0.16 (syst) in the deuteron-going direction. The measured results are compared to a nuclear-shadowing model, EPS09 [Eskola et al., J. High Energy Phys. 04 (2009) 065], combined with a final-state breakup cross section, sigma(br), and compared to lower energy p + A results. We also compare the results to the PHENIX J/psi results [Adare et al., Phys. Rev. Lett. 107, 142301 (2011)]. The rapidity dependence of the observed gamma suppression is consistent with lower energy p + A measurements. DOI: 10.1103/PhysRevC.87.044909
出版者： American Physical Society (APS)
出版日期： 2013-04-25
出處： Physical Review C, 2013-04, Vol.87 (4)
識別號： ISSN: 0556-2813
識別號： DOI: 10.1103/physrevc.87.044909 |
| 顯示於類別: | [高能與強場物理研究中心] 期刊論文
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