EPJ Web Conf.
Volume 171, 201817th International Conference on Strangeness in Quark Matter (SQM 2017)
|Number of page(s)||4|
|Section||Freeze-Out, Hadronisation and Statistical Models (parallel session)|
|Published online||02 February 2018|
Estimation of the isothermal compressibility from event-by-event multiplicity fluctuation studies
Bose Institute, Department of Physics and CAPSS, Kolkata - 700091, India
2 Department of Physics and Astronomy, Wayne State University, Detroit, MI 48201, USA
3 Variable Energy Cyclotron Centre, HBNI, Kolkata - 700064, India
4 AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Krakow, Poland
5 CERN, Geneva 23, Switzerland
* Corresponding author: firstname.lastname@example.org
Published online: 2 February 2018
The first estimation of the isothermal compressibility (kT) of matter is presented for a wide range of collision energies from √sNN = 7.7 GeV to 2.76 TeV. kT is estimated with the help of event-byevent charged particle multiplicity fluctuations from experiment. Dynamical fluctuations are extracted by removing the statistical fluctuations obtained from the participant model. kT is also estimated from event generators AMPT, UrQMD, EPOS and a hadron resonance gas model. The values of isothermal compressibility are estimated for the Large Hadron Collider (LHC) energies with the help of the event generators.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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