Measurement of electrons from beauty-hadron decays in pp and Pb-Pb collisions at √sNN=5.02 TeV
The production of electrons from beauty-hadron decays was measured at midrapidity in proton-proton (pp) and central Pb-Pb collisions at center-of-mass energy per nucleon-nucleon pair √sNN = 5.02 TeV, using the ALICE detector at the LHC. The cross section measured in pp collisions in the transverse m...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
15 September 2023
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| In: |
Physical review
Year: 2023, Volume: 108, Issue: 3, Pages: 1-24 |
| ISSN: | 2469-9993 |
| DOI: | 10.1103/PhysRevC.108.034906 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevC.108.034906 Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevC.108.034906 
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| Author Notes: | S. Acharya et al. (ALICE Collaboration*) |
MARC
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| 245 | 1 | 0 | |a Measurement of electrons from beauty-hadron decays in pp and Pb-Pb collisions at √sNN=5.02 TeV |c S. Acharya et al. (ALICE Collaboration*) |
| 246 | 3 | 0 | |a sqrt |
| 246 | 3 | 3 | |a Measurement of electrons from beauty-hadron decays in proton-proton and Pb-Pb collisions at square root sNN = 5.02 TeV |
| 264 | 1 | |c 15 September 2023 | |
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| 500 | |a *ALICE Collaboration: S. Acharya, V. Anguelov, A. Berdnikova, L. Bergmann, A.G. Borquez Carcamo, J. Crkovska, M.C. Danisch, V.J.G. Feuillard, I. Fokin, P. Glässel, J. Kim, M. Kim, M. Kroesen, J.A. Lopez, A. Nath, Y. Pachmayer, K. Reygers, R. Schicker, A. Schmah, G. Skorodumovs, J. Stachel, S.F. Stiefelmaier, C.A. Van Veen, M.A. Völkl, B. Windelband, A. Yuncu, F. Zanone [und 1005 weitere Personen] | ||
| 500 | |a Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol | ||
| 500 | |a Gesehen am 21.05.2024 | ||
| 520 | |a The production of electrons from beauty-hadron decays was measured at midrapidity in proton-proton (pp) and central Pb-Pb collisions at center-of-mass energy per nucleon-nucleon pair √sNN = 5.02 TeV, using the ALICE detector at the LHC. The cross section measured in pp collisions in the transverse momentum interval 2<pT<8GeV/c was compared with models based on perturbative quantum chromodynamics calculations. The yield in the 10% most central Pb-Pb collisions, measured in the interval 2<pT<26GeV/c, was used to compute the nuclear modification factor RAA, extrapolating the pp reference cross section to pT larger than 8 GeV/c. The measured RAA shows significant suppression of the yield of electrons from beauty-hadron decays at high pT and does not show a significant dependence above 8GeV/c within uncertainties. The results are described by several theoretical models based on different implementations of the interaction of heavy quarks with a quark-gluon plasma, which predict a smaller energy loss for beauty quarks compared to light and charm quarks. | ||
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