Achieving high baryon densities in the fragmentation regions in heavy ion collisions at top RHIC energy

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Abstract

Heavy ion collisions at extremely high energy, such as the top energy at RHIC, exhibit the property of transparency where there is a clear separation between the almost net-baryon-free central rapidity region and the net-baryon-rich fragmentation region. We calculate the net-baryon rapidity loss and the nuclear excitation energy using the energy-momentum tensor obtained from the McLerran-Venugopalan model. Nuclear compression during the collision is further estimated using a simple space-time picture. The results show that extremely high baryon densities, about twenty times larger than the normal nuclear density, can be achieved in the fragmentation regions.

Original languageEnglish (US)
Article number012058
JournalJournal of Physics: Conference Series
Volume832
Issue number1
DOIs
StatePublished - Apr 25 2017
Event7th Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-Nucleus Collisions, Hot Quarks 2016 - South Padre Island, United States
Duration: Sep 12 2016Sep 17 2016

Bibliographical note

Funding Information:
This work was supported by the U.S. Department of Energy grant DE-FG02-87ER40328.

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