Core-corona separation in ultrarelativistic heavy ion collisions

Core-corona separation in ultrarelativistic heavy ion collisions

Simple geometrical considerations show that the collision zone in high energy nuclear collisions may be divided into a central part ("core"), with high energy densities, and a peripheral part ("corona"), with smaller energy densities, more like in pp or pA collisions. We present...

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Veröffentlicht in:Physical review letters 2007-04, Vol.98 (15), p.152301-152301, Article 152301
1. Verfasser: Werner, Klaus
Format: Artikel
Sprache:eng
Schlagworte:
BNL
BROOKHAVEN RHIC
CERN
ENERGY DENSITY
HEAVY ION REACTIONS
ION COLLISIONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
RELATIVISTIC RANGE
SYNCHROTRONS
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container_title Physical review letters
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creator Werner, Klaus
description Simple geometrical considerations show that the collision zone in high energy nuclear collisions may be divided into a central part ("core"), with high energy densities, and a peripheral part ("corona"), with smaller energy densities, more like in pp or pA collisions. We present calculations that allow us to separate these two contributions, and which show that the corona contribution is quite small (but not negligible) for central collisions, but gets increasingly important with decreasing centrality. We will discuss consequences concerning results obtained in heavy ion collisions at the BNL Relativistic Heavy Ion Collider and CERN Super Proton Synchrotron.
doi_str_mv 10.1103/physrevlett.98.152301
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source American Physical Society Journals
subjects BNL
BROOKHAVEN RHIC
CERN
ENERGY DENSITY
HEAVY ION REACTIONS
ION COLLISIONS
NUCLEAR PHYSICS AND RADIATION PHYSICS
RELATIVISTIC RANGE
SYNCHROTRONS
title Core-corona separation in ultrarelativistic heavy ion collisions
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