3-D Glasma initial state from small-x evolution

Schenke, Björn; Schlichting, Sören

doi:10.1016/j.nuclphysa.2017.05.028

Title: 3-D Glasma initial state from small-x evolution

Journal Article · Mon Sep 25 00:00:00 EDT 2017 · Nuclear Physics. A

DOI:https://doi.org/10.1016/j.nuclphysa.2017.05.028· OSTI ID:1478660

Schenke, Björn ^[1]; Schlichting, Sören ^[2]

Brookhaven National Lab. (BNL), Upton, NY (United States). Physics Dept.
Univ. of Washington, Seattle, WA (United States). Dept. of Physics

Here, we present an ab-initio approach to compute the longitudinal dependence of the initial state in heavy-ion collisions by including small-x evolution of the nuclear gluon distributions. Extending the IP-Glasma model by including JIMWLK rapidity evolution, we compute event-by-event rapidity distributions of produced gluons and the early time energy momentum tensor as a function of space-time rapidity and transverse coordinates. We show how the effects of small-x evolution manifest themselves in longitudinal (rapidity) correlations of event-by-event multiplicities and transverse geometry and compare our results to various phenomenological models and experimental observations.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: SC0012704; FG02-97ER41014; AC02-05CH11231

OSTI ID:: 1478660

Journal Information:: Nuclear Physics. A, Vol. 967, Issue C; ISSN 0375-9474

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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