Azimuthal anisotropy of charged jet production in $\sqrt{s_{\rm NN}}$ = 2.76 TeV Pb-Pb collisions - INSPIRE

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Azimuthal anisotropy of charged jet production in $\sqrt{s_{\rm NN}}$ = 2.76 TeV Pb-Pb collisions

ALICE

Collaboration

Sep 24, 2015

15 pages

Published in:

Phys.Lett.B 753 (2016) 511-525

Published: Feb 10, 2016

e-Print:

1509.07334 [nucl-ex]

DOI:

10.1016/j.physletb.2015.12.047

Report number:

CERN-PH-EP-2015-258

Experiments:

CERN-LHC-ALICE

View in:

reference search79 citations

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Abstract: (Elsevier)

We present measurements of the azimuthal dependence of charged jet production in central and semi-central sNN=2.76 TeV Pb–Pb collisions with respect to the second harmonic event plane, quantified as v2ch jet . Jet finding is performed employing the anti- kT algorithm with a resolution parameter R=0.2 using charged tracks from the ALICE tracking system. The contribution of the azimuthal anisotropy of the underlying event is taken into account event-by-event. The remaining (statistical) region-to-region fluctuations are removed on an ensemble basis by unfolding the jet spectra for different event plane orientations independently. Significant non-zero v2ch jet is observed in semi-central collisions (30–50% centrality) for 20

Note:

25 pages, 6 captioned figures, 1 table, authors from page 20, published version, figures at http://aliceinfo.cern.ch/ArtSubmission/node/1886

heavy ion: scattering
jet: production
parton: showers
tracking detector
angular dependence
anisotropy
underlying event
charged particle
fluctuation
Monte Carlo

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Figures(10)

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