Production of muons from heavy flavour decays at forward rapidity in pp and Pb-Pb collisions at $\sqrt {s_{NN}}$ = 2.76 TeV - INSPIRE

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Production of muons from heavy flavour decays at forward rapidity in pp and Pb-Pb collisions at $\sqrt {s_{NN}}$ = 2.76 TeV

ALICE

Collaboration

May, 2012

16 pages

Published in:

Phys.Rev.Lett. 109 (2012) 112301

e-Print:

1205.6443 [hep-ex]

DOI:

10.1103/PhysRevLett.109.112301

Report number:

CERN-PH-EP-2012-155

Experiments:

CERN-LHC-ALICE

View in:

reference search188 citations

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Abstract: (arXiv)

The ALICE Collaboration has measured the inclusive production of muons from heavy flavour decays at forward rapidity, 2.5 < y < 4, in pp and Pb-Pb collisions at

\sqrt {s_{NN}}

= 2.76 TeV. The

p_{\rm T}

-differential inclusive cross section of muons from heavy flavour decays in pp collisions is compared to perturbative QCD calculations. The nuclear modification factor is studied as a function of pt and collision centrality. A weak suppression is measured in peripheral collisions. In the most central collisions, a suppression of a factor of about 3-4 is observed in 6 <

p_{\rm T}

< 10 GeV/

c

. The suppression shows no significant

p_{\rm T}

dependence.

Note:

15 pages, 3 figures, 1 table, authors from page 10, published version, figures at http://aliceinfo.cern.ch/ArtSubmission/node/3105

25.75.Cj
13.20.-v
25.75.-q
LHC
ALICE experiment
ultra-relativistic heavy ion collisions
heavy flavour production
nuclear modification factor
heavy quark: decay
muon: inclusive production

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Figures(3)

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