The Flow Harmonics Measurement with the Event Plane and Multi-particle Cumulant Methods in Pb+Pb Collisions at 2.76 TeV in ATLAS | Zendy

K. Burka | Zendy

Open Access

The Flow Harmonics Measurement with the Event Plane and Multi-particle Cumulant Methods in Pb+Pb Collisions at 2.76 TeV in ATLAS

Author(s) -

K. Burka

Publication year - 2016

Publication title -

acta physica polonica b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.331

H-Index - 63

eISSN - 1509-5770

pISSN - 0587-4254

DOI - 10.5506/aphyspolb.47.1625

Subject(s) - physics , cumulant , nuclear physics , harmonics , particle physics , event (particle physics) , atlas (anatomy) , large hadron collider , plane (geometry) , astrophysics , quantum mechanics , statistics , geometry , mathematics , voltage , paleontology , biology

The ATLAS results on charged particles flow harmonics in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV are presented. Elliptic flow and higher order flow harmonics, $v_{n}$ (for n = 2-4), are measured using two methods: standard event plane and multi-particle cumulants (up to 8-th order). Results for elliptic flow are shown in a wide range of pseudorapidity ($|\eta|$ < 2.5), transverse momentum (0.5 < $p_{\mathrm{T}}$ < 20 GeV) and centrality (0-80%). The measurement techniques are discussed in terms of non-flow e ffects. It is shown that four-particle correlations suppress most of non-flow contributions

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