production at low transverse momentum in and + Au collisions at GeV
Abstract
We report on the measurement of J/ψ production in the dielectron channel at midrapidity (|y|<1) in p+p and d+Au collisions at sNN=200GeV from the STAR experiment at the Relativistic Heavy Ion Collider. The transverse momentum pT spectra in p+p for pT<4GeV/c and d+Au collisions for pT<3GeV/c are presented. These measurements extend the STAR coverage for J/ψ production in p+p collisions to low pT. The (pT2) from the measured J/ψ invariant cross section in p+p and d+Au collisions are evaluated and compared to similar measurements at other collision energies. The nuclear modification factor for J/ψ is extracted as a function of pT and collision centrality in d+Au and compared to model calculations using the modified nuclear parton distribution function and a final-state J/ψ nuclear absorption cross section.
- Authors:
-
- AGH University of Science and Technology, FPACS (Poland). et al.
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States). Relativistic Heavy Ion Collider (RHIC); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Org.:
- STAR Collaboration
- OSTI Identifier:
- 1340377
- Alternate Identifier(s):
- OSTI ID: 1256768; OSTI ID: 1459371
- Report Number(s):
- BNL-112536-2016-JA
Journal ID: ISSN 2469-9985; PRVCAN; R&D Project: PO 004; KB0202012
- Grant/Contract Number:
- SC00112704; AC02-05CH11231
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 6; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Relativistic heavy-ion collisions; hadron-hadron interactions; nucleon induced nuclear reactions; particle and resonance production; quard-gluon plasma
Citation Formats
Adamczyk, L. J/ψ production at low transverse momentum in p+p and d + Au collisions at sNN=200 GeV. United States: N. p., 2016.
Web. doi:10.1103/PhysRevC.93.064904.
Adamczyk, L. J/ψ production at low transverse momentum in p+p and d + Au collisions at sNN=200 GeV. United States. https://doi.org/10.1103/PhysRevC.93.064904
Adamczyk, L. Fri .
"J/ψ production at low transverse momentum in p+p and d + Au collisions at sNN=200 GeV". United States. https://doi.org/10.1103/PhysRevC.93.064904. https://www.osti.gov/servlets/purl/1340377.
@article{osti_1340377,
title = {J/ψ production at low transverse momentum in p+p and d + Au collisions at sNN=200 GeV},
author = {Adamczyk, L.},
abstractNote = {We report on the measurement of J/ψ production in the dielectron channel at midrapidity (|y|<1) in p+p and d+Au collisions at sNN=200GeV from the STAR experiment at the Relativistic Heavy Ion Collider. The transverse momentum pT spectra in p+p for pT<4GeV/c and d+Au collisions for pT<3GeV/c are presented. These measurements extend the STAR coverage for J/ψ production in p+p collisions to low pT. The (pT2) from the measured J/ψ invariant cross section in p+p and d+Au collisions are evaluated and compared to similar measurements at other collision energies. The nuclear modification factor for J/ψ is extracted as a function of pT and collision centrality in d+Au and compared to model calculations using the modified nuclear parton distribution function and a final-state J/ψ nuclear absorption cross section.},
doi = {10.1103/PhysRevC.93.064904},
journal = {Physical Review C},
number = 6,
volume = 93,
place = {United States},
year = {Fri Jun 10 00:00:00 EDT 2016},
month = {Fri Jun 10 00:00:00 EDT 2016}
}
Web of Science
Figures / Tables:
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