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Title: Longitudinal Coherence in a Holographic Model of Asymmetric Collisions
Author: Casalderrey Solana, Jorge
Heller, Michal P.
Mateos, David (Mateos Solé)
Schee, Wilke van der, 1987-
Keywords: Física de partícules
Particle physics
Issue Date: 4-Jun-2014
Publisher: American Physical Society
Abstract: As a model of the longitudinal structure in heavy ion collisions, we simulate gravitational shock wave collisions in anti-de Sitter space in which each shock is composed of multiple constituents. We find that all constituents act coherently, and their separation leaves no imprint on the resulting plasma, when this separation is ≲ 0.26 / T hyd , with T hyd the temperature of the plasma at the time when hydrodynamics first becomes applicable. In particular, the center-of-mass of the plasma coincides with the center-of-mass of all the constituents participating in the collision, as opposed to the center-of-mass of the individual collisions. We discuss the implications for nucleus-nucleus and proton-nucleus collisions.
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It is part of: Physical Review Letters, 2014, vol. 112, num. 22, p. 221602
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))

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