Prompt and non-prompt J/[psi] production and nuclear modification at mid-rapidity in p-Pb collisions at √sNN=5.02 TeV
A measurement of beauty hadron production at mid-rapidity in proton-lead collisions at a nucleon-nucleon centre-of-mass energy sNN−−−√=5.02sNN=5.02\sqrt{s_\text {NN}}=5.02 TeV is presented. The semi-inclusive decay channel of beauty hadrons into J/ψJ/ψ\hbox {J}/\psi is considered, where the J/ψJ/ψ\h...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
8 June 2018
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| In: |
The European physical journal. C, Particles and fields
Year: 2018, Volume: 78, Issue: 6 |
| ISSN: | 1434-6052 |
| DOI: | 10.1140/epjc/s10052-018-5881-2 |
| Online Access: | Verlag, Volltext: https://doi.org/10.1140/epjc/s10052-018-5881-2 Verlag, Volltext: https://link.springer.com/content/pdf/10.1140%2Fepjc%2Fs10052-018-5881-2.pdf 
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| Author Notes: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a Prompt and non-prompt J/[psi] production and nuclear modification at mid-rapidity in p-Pb collisions at √sNN=5.02 TeV |c ALICE Collaboration* |
| 246 | 3 | 0 | |a sqrt ψ, root s(NN) |
| 246 | 3 | 3 | |a Prompt and non-prompt J/psi production and nuclear modification at mid-rapidity in p-Pb collisions at square root s NN = 5.02 TeV |
| 264 | 1 | |c 8 June 2018 | |
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| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt | ||
| 500 | |a ALICE Collaboration: S. Acharya, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, V. Feuillard, P. Glässel, J. Kim, M.K. Köhler, S. Klewin, L. Leardini, J. Mercado Pérez, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M.O. Schmidt, J. Stachel, D.F. Weiser, B. Windelband [und weitere] | ||
| 500 | |a Gesehen am 21.06.2019 | ||
| 520 | |a A measurement of beauty hadron production at mid-rapidity in proton-lead collisions at a nucleon-nucleon centre-of-mass energy sNN−−−√=5.02sNN=5.02\sqrt{s_\text {NN}}=5.02 TeV is presented. The semi-inclusive decay channel of beauty hadrons into J/ψJ/ψ\hbox {J}/\psi is considered, where the J/ψJ/ψ\hbox {J}/\psi mesons are reconstructed in the dielectron decay channel at mid-rapidity down to transverse momenta of 1.3 GeV/c. The bb¯bb¯\hbox {b}\bar{\hbox {b}} production cross section at mid-rapidity, dσbb¯/dydσbb¯/dy\hbox {d}\sigma _{\hbox {b}\bar{\hbox {b}}}/\hbox {d}y, and the total cross section extrapolated over full phase space, σbb¯σbb¯\sigma _{\text {b}\bar{\text {b}}}, are obtained. This measurement is combined with results on inclusive J/ψJ/ψ\hbox {J}/\psi production to determine the prompt J/ψJ/ψ\hbox {J}/\psi cross sections. The results in p-Pb collisions are then scaled to expectations from pp collisions at the same centre-of-mass energy to derive the nuclear modification factor RpPbRpPbR_{\text {pPb}}, and compared to models to study possible nuclear modifications of the production induced by cold nuclear matter effects. RpPbRpPbR_{\text {pPb}} is found to be smaller than unity at low pTpTp_{\mathrm{T}} for both J/ψJ/ψ\hbox {J}/\psi coming from beauty hadron decays and prompt J/ψJ/ψ\hbox {J}/\psi . | ||
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