J/psi production at high transverse momenta in p plus p and Au plus Au collisions at root s(NN)=200 GeV

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F13%3A00206072" target="_blank" >RIV/68407700:21340/13:00206072 - isvavai.cz</a>
Alternative codes found
RIV/61389005:_____/13:00393381
Result on the web
<a href="http://arxiv.org/pdf/1208.2736.pdf" target="_blank" >http://arxiv.org/pdf/1208.2736.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.physletb.2013.04.010" target="_blank" >10.1016/j.physletb.2013.04.010</a>

Result language
angličtina
Original language name
J/psi production at high transverse momenta in p plus p and Au plus Au collisions at root s(NN)=200 GeV
Original language description
We report J/psi spectra for transverse momenta P-T > 5 GeV/c at mid-rapidity in p + p and Au + Au collisions at root s(NN) = 200 GeV. The inclusive J/psi spectrum and the extracted B-hadron feed-down are compared to models incorporating different production mechanisms. We observe significant suppression of the J/psi yields for p(T) > 5 GeV/c in 0-30% central Au + Au collisions relative to the p + p yield scaled by the number of binary nucleon-nucleon collisions in Au + Au collisions. In 30-60% mid-central collisions, no such suppression is observed. The level of suppression is consistently less than that of high-p(T) pi(+/-) and low-p(T) J/psi at RHIC and high-p(T) J/psi at the LHC.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BF - Elementary particle theory and high energy physics
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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