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| 題名: | Nuclear modification of ψ′, χc, and J/ψ production in d+Au collisions at √sNN=200 GeV |
| 作者: | 彭仁傑;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.;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.;Conesa del Valle, Z.;Connors, M.;Csanád, M.;Csörgő, 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.;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. |
| 貢獻者: | 高能與強場物理研究中心 |
| 關鍵詞: | Nuclear Experiment;Physics |
| 日期: | 2013-11-12 |
| 上傳時間: | 2026-04-23 12:06:30 (UTC+8) |
| 出版者: | American Physical Society |
| 摘要: | 摘要： We present results for three charmonia states (ψ′, χc, and J/ψ) in d+Au collisions at |y|<0.35 and sNN−−−√=200 GeV. We find that the modification of the ψ′ yield relative to that of the J/ψ scales approximately with charged particle multiplicity at midrapidity across p+A, d+Au, and A+A results from the Super Proton Synchrotron and the Relativistic Heavy Ion Collider. In large-impact-parameter collisions we observe a similar suppression for the ψ′ and J/ψ, while in small-impact-parameter collisions the more weakly bound ψ′ is more strongly suppressed. Owing to the short time spent traversing the Au nucleus, the larger ψ′ suppression in central events is not explained by an increase of the nuclear absorption owing to meson formation time effects.
出版者： American Physical Society
出版日期： 2013-11-12
出處： Physical review letters, 2013-11, Vol.111
資源來源： American Physical Society Journals
版權： CC0 1.0 - Universal
識別號： ISSN: 0031-9007
識別號： EISSN: 1079-7114
識別號： DOI: 10.1103/PhysRevLett.111.202301 |
| 顯示於類別: | [高能與強場物理研究中心] 期刊論文
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