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Fluctuations of rare particles as a measure of chemical equilibration
Author(s) -
Sangyong Jeon,
Volker Koch,
K. Redlich,
X-N. Wang
Publication year - 2001
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/791196
Subject(s) - measure (data warehouse) , heavy ion , physics , rare events , nuclear physics , degree (music) , moment (physics) , factorial , population , ion , statistical physics , particle physics , statistics , classical mechanics , mathematics , quantum mechanics , computer science , mathematical analysis , demography , database , sociology , acoustics
The authors calculate the time evolution of fluctuations for rare particles such as e.g. kaons in 1 AGeV or charmonium in 200 AGeV heavy ion collisions. The authors find that these fluctuations are a very sensitive probe of the degree of chemical equilibration reached in these collisions. Furthermore, measuring the second factorial moment the size of the initial population can be determined

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