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LIBRIS Formathandbok  (Information om MARC21)
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007cr ||| |||||
008181219s2018 sw |||||o||||o000 ||eng|c
024a uri
024a urn:nbn:se:uu:diva-3699082 urn
024a 10.1103/PhysRevC.98.0449052 doi
040 a MimerProde a
041a eng
042 9 EPLK
100a Aaboud, M.4 aut
2451 0a Measurement of the suppression and azimuthal anisotropy of muons from heavy-flavor decays in Pb plus Pb collisions at root s(NN)=2.76 TeV with the ATLAS detectorh [Elektronisk resurs]
264 1b AMER PHYSICAL SOC,c 2018
338 b rb o2 rdacarrier2 rdacarrier
500 a <p>For complete list of authors see</p>
500 a Published
500 a Vetenskapsrådet
500 a EU, Europeiska forskningsrådet
500 a EU, FP7, Sjunde ramprogrammet
500 a EU, Horisont 2020
506a gratis
520 a ATLAS measurements of the production of muons from heavy-flavor decays in root s(NN) = 2.76 TeV Pb+Pb collisions and root s = 2.76 TeV pp collisions at the LHC are presented. Integrated luminosities of 0.14 nb(-1) and 570 nb(-1) are used for the Pb+Pb and pp measurements, respectively, which are performed over the muon transverse momentum range 4 &lt; pT &lt; 14 GeV and for five Pb+Pb centrality intervals. Backgrounds arising from in-flight pion and kaon decays, hadronic showers, and misreconstructed muons are statistically removed using a template-fitting procedure. The heavy-flavor muon differential cross sections and per-event yields are measured in pp and Pb+Pb collisions, respectively. The nuclear modification factor R-AA obtained from these is observed to be independent of pT, within uncertainties, and to be less than unity, which indicates suppressed production of heavy-flavor muons in Pb+Pb collisions. For the 10% most central Pb+Pb events, the measured R-AA is approximately 0.35. The azimuthal modulation of the heavy-flavor muon yields is also measured and the associated Fourier coefficients v(n) for n = 2, 3, and 4 are given as a function of pT and centrality. They vary slowly with pT and show a systematic variation with centrality which is characteristic of other anisotropy measurements, such as that observed for inclusive hadrons. The measured R-AA and v(n) values are also compared with theoretical calculations.
650 7a Natural Sciences2 hsv
650 7a Physical Sciences2 hsv
650 7a Subatomic Physics2 hsv
650 7a Naturvetenskap2 hsv
650 7a Fysik2 hsv
650 7a Subatomär fysik2 hsv
655 7a government publication2 marcgt
655 40
700a Asimakopoulou, Eleni M.4 aut
700a Bergeås Kuutmann, Elin,d 1980-4 aut
700a Bokan, Petar4 aut
700a Brenner, Richard4 aut
700a Ekelöf, Tord4 aut
700a Ellert, Mattias4 aut
700a Ferrari, Arnaud,d 1973-4 aut
700a Gradin, P. O. Joakim4 aut
700a Isacson, Max F.4 aut
700a Mårtensson, Mikael U. F.4 aut
700a Sales De Bruin, Pedro4 aut
700a Zwalinski, L.4 aut
710a Uppsala universitetb Teknisk-naturvetenskapliga vetenskapsområdet4 pbl
772i channel recordw vd6k7sz65jh4wq2
773i Värdpublikationt Physical Review Cg 98:4x 2469-9985
8564 0u
8564 0u
8564 0u
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0245 APISa urn:nbn:se:uu:diva-3699082 urn
852 5 APISb APIS
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