Forward-Backward Correlations and Multiplicity Fluctuations in Pb–Pb Collisions at sNN=2.76 TeV from ALICE at the LHC

Sputowska, Iwona

doi:10.3390/proceedings2019010014

Volume 10, HQ 2018

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Proceedings 2019, 10(1), 14; https://doi.org/10.3390/proceedings2019010014

Forward-Backward Correlations and Multiplicity Fluctuations in Pb–Pb Collisions at s_NN=2.76 TeV from ALICE at the LHC ^†

Iwona Sputowska , for the ALICE Collaboration

The Henryk Niewodniczański Institute of Nuclear Physics PAN, 31-342 Kraków, Poland

^†

Presented at Hot Quarks 2018—Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-Nucleus Collisions, Texel, The Netherlands, 7–14 September 2018.

Published: 11 April 2019

PDF [2099 KB, uploaded 11 April 2019]

Abstract

This paper presents a comparative study of forward-backward correlations and multiplicity fluctuations in experimental data and in HIJING Monte Carlo simulations of Pb–Pb collisions at

\sqrt{s_{NN}} = 2.76

TeV. The analysis focuses on two observables: the forward-backward correlation coefficient

b_{c o r r}^{n - n}

and the strongly intensive quantity

Σ

. Results are discussed in the context of the dependence on centrality estimator and influence of event-by-event fluctuations of the geometry of the Pb–Pb collisions on the measured quantities.

Keywords: heavy-ion collisions; forward-backward correlations; multiplicity fluctuations; strongly intensive quantity

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Sputowska, I., , for the ALICE Collaboration. Forward-Backward Correlations and Multiplicity Fluctuations in Pb–Pb Collisions at s_NN=2.76 TeV from ALICE at the LHC . Proceedings 2019, 10, 14.

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