Measurement of the production of high-pT electrons from heavy-flavour hadron decays in Pb-Pb collisions at √sNN=2.76 TeV
Electrons from heavy-flavour hadron decays (charm and beauty) were measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass of energy sNN=2.76 TeV. The transverse momentum (pT) differential production yields at mid-rapidity were used to calculate the nuclear modification factor RAA i...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
29 May 2017
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| In: |
Physics letters
Year: 2017, Jahrgang: 771, Pages: 467-481 |
| ISSN: | 1873-2445 |
| DOI: | 10.1016/j.physletb.2017.05.060 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1016/j.physletb.2017.05.060 Verlag, kostenfrei, Volltext: http://www.sciencedirect.com/science/article/pii/S0370269317304239 
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| Verfasserangaben: | ALICE Collaboration* |
MARC
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| 245 | 1 | 0 | |a Measurement of the production of high-pT electrons from heavy-flavour hadron decays in Pb-Pb collisions at √sNN=2.76 TeV |c ALICE Collaboration* |
| 246 | 3 | 0 | |a sqrt (s_NN) |
| 246 | 3 | 3 | |a Measurement of the production of high-pT electrons from heavy-flavour hadron decays in Pb-Pb collisions at square root s NN = 2.76TeV |
| 264 | 1 | |c 29 May 2017 | |
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| 500 | |a Alice Collaboration: J. Adam, V. Anguelov, M. Arslandok, M.C. Danisch, A. Deisting, P. Glässel, J. Kim, S. Klewin, L. Leardini, J. Mercado Pérez, H. Oeschler, A. Ohlson, Y. Pachmayer, K. Reygers, R. Schicker, M. Schmidt, J. Stachel, D.F. Weiser, B. Windelband, A. Zimmermann [und weitere] | ||
| 500 | |a Gesehen am 19.06.2019 | ||
| 520 | |a Electrons from heavy-flavour hadron decays (charm and beauty) were measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass of energy sNN=2.76 TeV. The transverse momentum (pT) differential production yields at mid-rapidity were used to calculate the nuclear modification factor RAA in the interval 3<pT<18 GeV/c. The RAA shows a strong suppression compared to binary scaling of pp collisions at the same energy (up to a factor of 4) in the 10% most central Pb-Pb collisions. There is a centrality trend of suppression, and a weaker suppression (down to a factor of 2) in semi-peripheral (50-80%) collisions is observed. The suppression of electrons in this broad pT interval indicates that both charm and beauty quarks lose energy when they traverse the hot medium formed in Pb-Pb collisions at LHC. | ||
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