Abstract

We report on the latest results from ALICE on the measurement of the nuclear modification factor and elliptic flow of muons from heavy-flavour decays at forward rapidity in Pb-Pb collisions at = 2.76 TeV. A strong suppression of muons from heavy-flavour decays is observed at high transverse momentum, pT, in the most central collisions compared to the binary-scaled expectation from pp events at the same energy, while a positive elliptic flow is observed at intermediate pT in semi-central collisions. Comparisons with model predictions are presented.

Highlights

  • ALICE [1] is the dedicated heavy-ion experiment at the LHC, optimized to investigate the properties of strongly-interacting matter in extreme conditions of temperature and energy density where the formation of Quark Gluon Plasma (QGP) is expected

  • We focus on open heavy-flavour measurements at forward rapidity via single muons detected in the ALICE muon spectrometer which consists of a thick front absorber, a beam shield, a dipole magnet, five tracking stations and two trigger stations behind an iron wall

  • In addition to the muon spectrometer, for the analyses presented here, the VZERO detector comprising two of scintillator arrays, the two Zero Degree Calorimeters (ZDC), the Silicon Pixel Detector (SPD) and the Time Projection Chamber (TPC) are used

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Summary

Introduction

ALICE [1] is the dedicated heavy-ion experiment at the LHC, optimized to investigate the properties of strongly-interacting matter in extreme conditions of temperature and energy density where the formation of Quark Gluon Plasma (QGP) is expected. They describe the data reasonably well within uncertainties. The measured suppression at forward rapidity is similar to that reported for D mesons [10] and electrons from heavy flavour decays [11] measured at mid-rapidity with ALICE

Elliptic flow of muons from heavy-flavour decays
Conclusion

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