J/\psi production cross section and its dependence on charged-particle 
multiplicity in p+p collisions at sqrt{s} = 200 GeV

STAR Collaboration,; Adam, J.; Schmitz, N.; Seyboth, P.; et al.,

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J/\psi production cross section and its dependence on charged-particle multiplicity in p+p collisions at sqrt{s} = 200 GeV

STAR Collaboration, Adam, J., Schmitz, N., Seyboth, P., & et al. (2018). J/\psi production cross section and its dependence on charged-particle multiplicity in p+p collisions at sqrt{s} = 200 GeV. Physics Letters B, (786), 87-93. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-315.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-F8F3-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-F8F4-2

Genre: Journal Article

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STAR Collaboration¹, Author
Adam, J.¹, Author
Schmitz, N.¹, Author
Seyboth, P.¹, Author
et al.¹, Author

Affiliations:
1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650

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Free keywords: STAR

Abstract: We present a measurement of inclusive $J/ψ$ production at mid-rapidity ($|y|<1$) in $p+p$ collisions at a center-of-mass energy of $\sqrt{s}$ = 200 GeV with the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The differential production cross section for $J/ψ$ as a function of transverse momentum ($p_T$) for $0<p_T<14$ GeV/$c$ and the total cross section are reported and compared to calculations from the color evaporation model and the non-relativistic Quantum Chromodynamics model. The dependence of $J/ψ$ relative yields in three $p_T$ intervals on charged-particle multiplicity at mid-rapidity is measured for the first time in $p+p$ collisions at $\sqrt{s}$ = 200 GeV and compared with that measured at $\sqrt{s}$ = 7 TeV, PYTHIA8 and EPOS3 Monte Carlo generators, and the Percolation model prediction.

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Dates: Date issued: 2018

Publication Status: Issued

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Identifiers: eDoc: 747412
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2018-315
URI: http://arXiv.org/abs/arxiv:1805.03745
URI: https://inspirehep.net/search?p=find+eprint+1805.03745
Other: MPP-2018-315

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Title: Physics Letters B

Alternative Title : Phys.Lett.B

Source Genre: Journal

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Pages: - Volume / Issue: (786) Sequence Number: - Start / End Page: 87 - 93 Identifier: -