Nuclear modification of ψ′, χc, and J/ψ production in d+Au collisions at √sNN=200 GeV

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题名:	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.
贡献者:	高能與強場物理研究中心
关键词:	Nuclear Experiment;Physics
日期:	2013-11-12
上传时间:	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
显示于类别:	[高能與強場物理研究中心] 期刊論文

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