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Title: Measurement of Υ(1S + 2S +3S) production in p + p and Au + Au collisions at \(\sqrt{s_{\mathrm{NN}}}=200\) GeV

Journal Article · · Physical Review. C. Nuclear Physics
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We present measurements of bottomonium production in heavy-ion and p+p collisions at the Relativistic Heavy Ion Collider (RHIC). The inclusive yield of the three Υ states, Υ(1S+2S+3S), was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au+Au and p+p collisions at s NN = 200 GeV. The Υ(1S+2S+3S)→e+e- differential cross section at midrapidity was found to be Beedσ/dy=108±38(stat)±15(syst)±11(luminosity) pb in p+p collisions. The nuclear modification factor in the 30% most central Au+Au collisions indicates a suppression of the total Υ state yield relative to the extrapolation from p+p collision data. In conclusion, the suppression is consistent with measurements made by STAR at RHIC and at higher energies by the CMS experiment at the Large Hadron Collider.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Contributing Organization:
PHENIX Collaboration
Grant/Contract Number:
SC00112704; AC05-00OR22725
OSTI ID:
1184509
Alternate ID(s):
OSTI ID: 1180356; OSTI ID: 1324124
Report Number(s):
BNL-107719-2015-JA; PRVCAN; KB0201021
Journal Information:
Physical Review. C. Nuclear Physics, Vol. 91, Issue 2; ISSN 0556-2813
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 33 works
Citation information provided by
Web of Science

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Cited By (8)

Using the Tsallis distribution for hadron spectra in p p collisions: Pions and quarkonia at s = 5 13000 GeV journal March 2017
Light baryons below and above the deconfinement transition: medium effects and parity doubling text January 2017
Anisotropic flow: A case for Bottomonia text January 2018
Light baryons below and above the deconfinement transition: medium effects and parity doubling text January 2017
Decoding the phase structure of QCD via particle production at high energy text January 2017
Quantum Brownian motion of a heavy quark pair in the quark-gluon plasma text January 2019
Decoding the phase structure of QCD via particle production at high energy journal September 2018
Dynamical dissociation of quarkonia by wave function decoherence journal January 2018

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