Energy dependence of J/ψ production in Au + Au collisions at sNN =39,62.4 and 200GeV
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, Journal Article
Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Ajitanand, NN; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D ...
Published in: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
August 10, 2017
The inclusive J/ψ transverse momentum spectra and nuclear modification factors are reported at mid-rapidity (|y|<1.0) in Au + Au collisions at sNN = 39, 62.4 and 200 GeV taken by the STAR experiment. A suppression of J/ψ production, with respect to the production in p+p scaled by the number of binary nucleon–nucleon collisions, is observed in central Au + Au collisions at these three energies. No significant energy dependence of nuclear modification factors is found within uncertainties. The measured nuclear modification factors can be described by model calculations that take into account both suppression of direct J/ψ production due to the color screening effect and J/ψ regeneration from recombination of uncorrelated charm–anticharm quark pairs.
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Published In
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DOI
ISSN
0370-2693
Publication Date
August 10, 2017
Volume
771
Start / End Page
13 / 20
Related Subject Headings
- Nuclear & Particles Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
- 0105 Mathematical Physics
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Adamczyk, L., Adkins, J. K., Agakishiev, G., Aggarwal, M. M., Ahammed, Z., Ajitanand, N. N., … He, L. (2017). Energy dependence of J/ψ production in Au + Au collisions at sNN =39,62.4 and 200GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 771, 13–20. https://doi.org/10.1016/j.physletb.2017.04.078
Adamczyk, L., J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, N. N. Ajitanand, I. Alekseev, et al. “Energy dependence of J/ψ production in Au + Au collisions at sNN =39,62.4 and 200GeV.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 771 (August 10, 2017): 13–20. https://doi.org/10.1016/j.physletb.2017.04.078.
Adamczyk L, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Ajitanand NN, et al. Energy dependence of J/ψ production in Au + Au collisions at sNN =39,62.4 and 200GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 Aug 10;771:13–20.
Adamczyk, L., et al. “Energy dependence of J/ψ production in Au + Au collisions at sNN =39,62.4 and 200GeV.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 771, Aug. 2017, pp. 13–20. Scopus, doi:10.1016/j.physletb.2017.04.078.
Adamczyk L, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Ajitanand NN, Alekseev I, Anderson DM, Aoyama R, Aparin A, Arkhipkin D, Aschenauer EC, Ashraf MU, Attri A, Averichev GS, Bai X, Bairathi V, Behera A, Bellwied R, Bhasin A, Bhati AK, Bhattarai P, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Bouchet J, Brandenburg JD, Brandin AV, Brown D, Bunzarov I, Butterworth J, Caines H, Calderón de la Barca Sánchez M, Campbell JM, Cebra D, Chakaberia I, Chaloupka P, Chang Z, Chankova-Bunzarova N, Chatterjee A, Chattopadhyay S, Chen X, Chen JH, Cheng J, Cherney M, Christie W, Contin G, Crawford HJ, Das S, De Silva LC, Debbe RR, Dedovich TG, Deng J, Derevschikov AA, Didenko L, Dilks C, Dong X, Drachenberg JL, Draper JE, Dunkelberger LE, Dunlop JC, Efimov LG, Elsey N, Engelage J, Eppley G, Esha R, Esumi S, Evdokimov O, Ewigleben J, Eyser O, Fatemi R, Fazio S, Federic P, Federicova P, Fedorisin J, Feng Z, Filip P, Finch E, Fisyak Y, Flores CE, Fujita J, Fulek L, Gagliardi CA, Garand D, Geurts F, Gibson A, Girard M, Grosnick D, Gunarathne DS, Guo Y, Gupta A, Gupta S, Guryn W, Hamad AI, Hamed A, Harlenderova A, Harris JW, He L. Energy dependence of J/ψ production in Au + Au collisions at sNN =39,62.4 and 200GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2017 Aug 10;771:13–20.
Published In
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
DOI
ISSN
0370-2693
Publication Date
August 10, 2017
Volume
771
Start / End Page
13 / 20
Related Subject Headings
- Nuclear & Particles Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0201 Astronomical and Space Sciences
- 0105 Mathematical Physics