Improved version of the PHOBOS Glauber Monte Carlo

Loizides, C.; Nagle, J.; Steinberg, P.

doi:10.1016/j.softx.2015.05.001

Title: Improved version of the PHOBOS Glauber Monte Carlo

Journal Article · Tue Sep 01 00:00:00 EDT 2015 · SoftwareX

DOI:https://doi.org/10.1016/j.softx.2015.05.001· OSTI ID:1213692

Loizides, C. ^[1]; Nagle, J. ^[2]; Steinberg, P. ^[3]

Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Univ. of Colorado, Boulder, CO (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)

“Glauber” models are used to calculate geometric quantities in the initial state of heavy ion collisions, such as impact parameter, number of participating nucleons and initial eccentricity. Experimental heavy-ion collaborations, in particular at RHIC and LHC, use Glauber Model calculations for various geometric observables for determination of the collision centrality. In this document, we describe the assumptions inherent to the approach, and provide an updated implementation (v2) of the Monte Carlo based Glauber Model calculation, which originally was used by the PHOBOS collaboration. The main improvement w.r.t. the earlier version (v1) (Alver et al. 2008) is the inclusion of Tritium, Helium-3, and Uranium, as well as the treatment of deformed nuclei and Glauber–Gribov fluctuations of the proton in p +A collisions. A users’ guide (updated to reflect changes in v2) is provided for running various calculations.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1213692

Journal Information:: SoftwareX, Vol. 1-2, Issue C; ISSN 2352-7110

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

References (14)

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