Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at sNN=200 GeV with the STAR experiment

Todoroki, Takahito

doi:10.1016/j.nuclphysa.2017.04.020

Title: Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at $\sqrt{s_{NN}} = 200 GeV$ with the STAR experiment

Abstract

Here, we present the first results from the STAR MTD of mid-rapidity charmonium measurements via the di-muon decay channel in p+p, p+Au, and Au+Au collisions at √S_NN = 200 GeV at RHIC. The inclusive J/Ψ production cross section in p+p collisions can be described by the Non-Relativistic QCD (NRQCD) formalism coupled with the color glass condensate e ective theory (CGC) at low transverse momentum (p_T) and next-to-leading order NRQCD at high p_T. The nuclear modification factor in p+Au collisions for inclusive J/Ψ is below unity at low p_T and consistent with unity at high p_T, which can be described by calculations including both nuclear PDF and nuclear absorption e ects. The double ratio of inclusive J/Ψ and Ψ(2S) production rates for 0 < p_T < 10 GeV/c at mid-rapidity between p+p and p+Au collisions is measured to be 1.37 0.42 0.19. The nuclear modification factor in Au+Au collisions for inclusive J/Ψ shows significant J/Ψ suppression at high p_T in central collisions and can be qualitatively described by transport models including dissociation and regeneration contributions.

Authors:

Todoroki, Takahito ^[1]

Brookhaven National Lab. (BNL), Upton, NY (United States). et al.

Publication Date:: Mon Sep 25 00:00:00 EDT 2017

Research Org.:: Brookhaven National Lab. (BNL), Upton, NY (United States). Relativistic Heavy Ion Collider (RHIC)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Org.:: STAR Collaboration

OSTI Identifier:: 1408722

Report Number(s):: BNL-114477-2017-JA
Journal ID: ISSN 0375-9474; R&D Project: PO 004; PII: S037594741730091X

Grant/Contract Number:: SC0012704

Resource Type:: Accepted Manuscript

Journal Name:: Nuclear Physics. A

Additional Journal Information:: Journal Volume: 967; Journal Issue: C; Journal ID: ISSN 0375-9474

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Relativistic Heavy Ion Collider; heavy-ion collisions; quarkonium; J/Ψ suppression; color screening; cold nuclear matter effect

Citation Formats


                    Todoroki, Takahito. Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at sNN=200 GeV with the STAR experiment.  United States: N. p., 2017. 
Web.  doi:10.1016/j.nuclphysa.2017.04.020.

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                    Todoroki, Takahito. Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at sNN=200 GeV with the STAR experiment.  United States.  https://doi.org/10.1016/j.nuclphysa.2017.04.020

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                    Todoroki, Takahito. Mon .  
"Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at sNN=200 GeV with the STAR experiment".  United States.  https://doi.org/10.1016/j.nuclphysa.2017.04.020.  https://www.osti.gov/servlets/purl/1408722.

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@article{osti_1408722,

  title        = {Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at sNN=200 GeV with the STAR experiment},

  author       = {Todoroki, Takahito},

  abstractNote = {Here, we present the first results from the STAR MTD of mid-rapidity charmonium measurements via the di-muon decay channel in p+p, p+Au, and Au+Au collisions at √SNN = 200 GeV at RHIC. The inclusive J/Ψ production cross section in p+p collisions can be described by the Non-Relativistic QCD (NRQCD) formalism coupled with the color glass condensate e ective theory (CGC) at low transverse momentum (pT) and next-to-leading order NRQCD at high pT. The nuclear modification factor in p+Au collisions for inclusive J/Ψ is below unity at low pT and consistent with unity at high pT, which can be described by calculations including both nuclear PDF and nuclear absorption e ects. The double ratio of inclusive J/Ψ and Ψ(2S) production rates for 0 < pT < 10 GeV/c at mid-rapidity between p+p and p+Au collisions is measured to be 1.37 0.42 0.19. The nuclear modification factor in Au+Au collisions for inclusive J/Ψ shows significant J/Ψ suppression at high pT in central collisions and can be qualitatively described by transport models including dissociation and regeneration contributions.},

  doi          = {10.1016/j.nuclphysa.2017.04.020},

  journal      = {Nuclear Physics. A},

  number       = C,

  volume       = 967,

  place        = {United States},

  year         = {Mon Sep 25 00:00:00 EDT 2017},

  month        = {Mon Sep 25 00:00:00 EDT 2017}

}

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https://doi.org/10.1016/j.nuclphysa.2017.04.020

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Figures / Tables:

Fig. 1: Inclusive J/ψ production cross section scaled by the branching ratio (B) as a function of p_T in the di-muon (red circle) and the di-electron decay channels (blue square).

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Title: Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at s NN =200 GeV with the STAR experiment

Abstract

Citation Formats

Figures / Tables:

J/ψ suppression by quark-gluon plasma formation journal, October 1986

Comprehensive Description of J / ψ Production in Proton-Proton Collisions at Collider Energies journal, November 2014

Quarkonium production in an improved color evaporation model journal, December 2016

Towards an automated tool to evaluate the impact of the nuclear modification of the gluon density on quarkonium, D and B meson production in proton–nucleus collisions journal, December 2016

HELAC-Onia: An automatic matrix element generator for heavy quarkonium physics journal, November 2013

HELAC-Onia 2.0: An upgraded matrix-element and event generator for heavy quarkonium physics journal, January 2016

Centrality, Rapidity, and Transverse-Momentum Dependence of Gluon Shadowing and Antishadowing on J/ψ Production in dAu Collisions at $${\sqrt{s} = 200}$$ GeV journal, March 2012

A Measurement of the ψ′ to J/ψ production ratio in 920 GeV proton-nucleus interactions journal, November 2006

Ground and excited state charmonium production in p + p collisions at s = 200 GeV journal, May 2012

Measurement of the relative yields of ψ ( 2 S ) to ψ ( 1 S ) mesons produced at forward and backward rapidity in p + p , p + Al , p + Au , and He 3 + Au collisions at s NN = 200 GeV journal, March 2017

J / ψ and ψ ( 2 S ) Production in p p ¯ Collisions at √ s = 1.8 TeV journal, July 1997

Nuclear Modification of ψ ′ , χ c , and J / ψ Production in d + Au Collisions at s N N = 200 GeV journal, November 2013

Excited charmonium suppression in proton–nucleus collisions as a consequence of comovers journal, October 2015

Medium effects on charmonium production at ultrarelativistic energies available at the CERN Large Hadron Collider journal, May 2014

Medium modifications and production of charmonia at LHC journal, June 2011

Title: Measurements of charmonium production in p+p, p+Au, and Au+Au collisions at $\sqrt{s_{NN}} = 200 GeV$ with the STAR experiment

J/ψ suppression by quark-gluon plasma formation
journal, October 1986

Comprehensive Description of $J / ψ$ Production in Proton-Proton Collisions at Collider Energies
journal, November 2014

Quarkonium production in an improved color evaporation model
journal, December 2016

Towards an automated tool to evaluate the impact of the nuclear modification of the gluon density on quarkonium, D and B meson production in proton–nucleus collisions
journal, December 2016

HELAC-Onia: An automatic matrix element generator for heavy quarkonium physics
journal, November 2013

HELAC-Onia 2.0: An upgraded matrix-element and event generator for heavy quarkonium physics
journal, January 2016

Centrality, Rapidity, and Transverse-Momentum Dependence of Gluon Shadowing and Antishadowing on J/ψ Production in dAu Collisions at $${\sqrt{s} = 200}$$ GeV
journal, March 2012

A Measurement of the ψ′ to J/ψ production ratio in 920 GeV proton-nucleus interactions
journal, November 2006

Ground and excited state charmonium production in $p + p$ collisions at $\sqrt{s} = 200 GeV$
journal, May 2012

Measurement of the relative yields of $ψ (2 S)$ to $ψ (1 S)$ mesons produced at forward and backward rapidity in $p + p$ , $p + Al$ , $p + Au$ , and ${}^{3}{He} + Au$ collisions at $\sqrt{s_{NN}} = 200$ GeV
journal, March 2017

$J / ψ$ and $ψ (2 S)$ Production in $p \bar{p}$ Collisions at $\sqrt s = 1.8 TeV$
journal, July 1997

Nuclear Modification of $ψ^{'}$ , $χ_{c}$ , and $J / ψ$ Production in $d + Au$ Collisions at $\sqrt{s_{N N}} = 200 GeV$
journal, November 2013

Excited charmonium suppression in proton–nucleus collisions as a consequence of comovers
journal, October 2015

Medium effects on charmonium production at ultrarelativistic energies available at the CERN Large Hadron Collider
journal, May 2014

Medium modifications and production of charmonia at LHC
journal, June 2011