Suppression of Upsilon production in d + Au and Au + Au collisions at root s(NN) = 200 GeV (vol 735, pg 127, 2014)

Adamczyk, L.; Adkins, J. K.; Agakishiev, G.; Aggarwal, M. M.; Ahammed, Z.; Alekseev, I.; Alford, J.; Anson, C. D.; Aparin, A.; Arkhipkin, D.; Gliske, S.; Krueger, K.; Spinka, H. M.; Underwood, D. G.

doi:10.1016/j.physletb.2014.06.028

Title: Suppression of Upsilon production in d + Au and Au + Au collisions at root s(NN) = 200 GeV (vol 735, pg 127, 2014)

Journal Article · Wed Jul 30 00:00:00 EDT 2014 · Physics Letters B

DOI:https://doi.org/10.1016/j.physletb.2014.06.028· OSTI ID:1236066

Adamczyk, L.; Adkins, J. K.; Agakishiev, G.; Aggarwal, M. M.; Ahammed, Z.; Alekseev, I.; Alford, J.; Anson, C. D.; Aparin, A.; Arkhipkin, D.; Gliske, S.; Krueger, K.; Spinka, H. M.; Underwood, D. G.

We report measurements of Υ meson production in p + p, d +Au, and Au+Aucollisions using the STAR detector at RHIC. We compare the Υ yield to the measured cross section in p + p collisions in order to quantify any modifications of the yield in cold nuclear matter using d +Au data and in hot nuclear matter using Au+Au data separated into three centrality classes. Our p +p measurement is based on three times the statistics of our previous result. We obtain a nuclear modification factor for Υ (1S + 2S + 3S) in the rapidity range |y| < 1 in d + Aucollisions of RdAu = 0.79 ± 0.24(stat.) ± 0.03(syst.) ± 0.10(p + p syst.). A comparison with models including shadowing and initial state parton energy loss indicates the presence of additional cold-nuclear matter suppression. Similarly, in the top 10% most-central Au + Au collisions, we measure a nuclear modification factor of R AA = 0.49 ±0.1(stat.) ±0.02(syst.) ±0.06(p + p syst.), which is a larger suppression factor than that seen in cold nuclear matter. Our results are consistent with complete suppression of excited-state Υ mesons in Au + Aucollisions. The additional suppression in Au + Au is consistent with the level expected in model calculations that include the presence of a hot, deconfined Quark–Gluon Plasma. However, understanding the suppression seen in d + Au is still needed before any definitive statements about the nature of the suppression in Au + Au can be made.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

DOE Contract Number:: AC02-06CH11357

OSTI ID:: 1236066

Journal Information:: Physics Letters B, Vol. 735; ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

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Corrigendum to “Suppression of Υ production in d+Au and Au+Au collisions at √ ^SNN = 200 GeV" [Phys. Lett. B 735 (2014) 127-137]

Journal Article · Wed Apr 01 00:00:00 EDT 2015 · Physics Letters B · OSTI ID:1236066

Adamczyk, L.

Suppression of ϒ production in

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\sqrt{s_{N N}} = 200 GeV

Journal Article · Tue Jul 01 00:00:00 EDT 2014 · Physics Letters B · OSTI ID:1236066

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Journal Article · Mon Apr 01 00:00:00 EDT 2013 · Physical Review. C, Nuclear Physics · OSTI ID:1236066

Adare, A.; Awes, Terry C.; Cianciolo, Vince; +10 more

Related Subjects

Quarkonium in-medium
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STAR
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Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV Collaboration, Star https://doi.org/10.17182/hepdata.102940 The current record is supplemented by this collection	collection	January 2021
"Table 1" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t1 The current record is supplemented by this dataset	dataset	January 2021
"Table 10" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t10 The current record is supplemented by this dataset	dataset	January 2021
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"Table 12" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t12 The current record is supplemented by this dataset	dataset	January 2021
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"Table 2" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t2 The current record is supplemented by this dataset	dataset	January 2021
"Table 3" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t3 The current record is supplemented by this dataset	dataset	January 2021
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"Table 5" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t5 The current record is supplemented by this dataset	dataset	January 2021
"Table 6" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t6 The current record is supplemented by this dataset	dataset	January 2021
"Table 7" of "Suppression of $\Upsilon$ production in d+Au and Au+Au collisions at $\sqrt{s_{NN}}$=200 GeV" Collaboration, Star https://doi.org/10.17182/hepdata.102940.v1/t7 The current record is supplemented by this dataset	dataset	January 2021
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