ϒ production in U + U collisions at sNN =193 GeV measured with the STAR experiment
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Pre-printDate
2016-12-15Author
Adamczyk, LAdkins, JK
Agakishiev, G
Aggarwal, MM
Ahammed, Z
Alekseev, I
Anderson, DM
Aoyama, R
Aparin, A
Arkhipkin, D
Aschenauer, EC
Ashraf, MU
Attri, A
Averichev, GS
Bai, X
Bairathi, V
Bellwied, R
Bhasin, A
Bhati, AK
Bhattarai, P
Bielcik, J
Bielcikova, J
Bland, LC
Bordyuzhin, IG
Bouchet, J
Brandenburg, JD
Brandin, AV
Bunzarov, I
Butterworth, J
Caines, H
Calderón De La Barca Sánchez, M
Campbell, JM
Cebra, D
Chakaberia, I
Chaloupka, P
Chang, Z
Chatterjee, A
Chattopadhyay, S
Chen, JH
Chen, X
Cheng, J
Cherney, M
Christie, W
Contin, G
Crawford, HJ
Das, S
De Silva, LC
Debbe, RR
Dedovich, TG
Deng, J
Derevschikov, AA
Didenko, L
Dilks, C
Dong, X
Drachenberg, JL
Draper, JE
Du, CM
Dunkelberger, LE
Dunlop, JC
Efimov, LG
Engelage, J
Eppley, G
Esha, R
Esumi, S
Evdokimov, O
Eyser, O
Fatemi, R
Fazio, S
Federic, P
Fedorisin, J
Feng, Z
Filip, P
Finch, E
Fisyak, Y
Flores, CE
Fulek, L
Gagliardi, CA
Garand, D
Geurts, F
Gibson, A
Girard, M
Greiner, L
Grosnick, D
Gunarathne, DS
Guo, Y
Gupta, A
Gupta, S
Guryn, W
Hamad, AI
Hamed, A
Haque, R
Harris, JW
He, L
Heppelmann, S
Heppelmann, S
Hirsch, A
Hoffmann, GW
Horvat, S
Huang, HZ
Huang, B
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http://hdl.handle.net/20.500.12613/4985
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10.1103/PhysRevC.94.064904Abstract
© 2016 American Physical Society. We present a measurement of the inclusive production of ϒ mesons in U+U collisions at sNN=193 GeV at midrapidity (|y|<1). Previous studies in central Au+Au collisions at sNN=200 GeV show a suppression of ϒ(1S+2S+3S) production relative to expectations from the ϒ yield in p+p collisions scaled by the number of binary nucleon-nucleon collisions (Ncoll), with an indication that the ϒ(1S) state is also suppressed. The present measurement extends the number of participant nucleons in the collision (Npart) by 20% compared to Au+Au collisions, and allows us to study a system with higher energy density. We observe a suppression in both the ϒ(1S+2S+3S) and ϒ(1S) yields in central U+U data, which consolidates and extends the previously observed suppression trend in Au+Au collisions.Citation to related work
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http://dx.doi.org/10.34944/dspace/4967