Estimation of Collision Impact Parameter

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We demonstrate that the nuclear collision geometry (i.e. impact parameter) can be determined with 1.5 fm accuracy in an event-by-event analysis by measuring the transverse energy flow in the pseudorapidity region $3 \le |η| \le 5$ with a minimal dependence on collision dynamics details at the LHC energy scale. Using the HIJING model we have illustrated our calculation by a simulation of events of nucleus-nucleus interactions at the c.m.s energy from 1 up to 5.5 TeV per nucleon and various type of nuclei.
6 pages, 3 figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/185056

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0008332
 http://arxiv.org/abs/hep-ph/0008332
 J.Phys.G27:2267-2274,2001
 doi:10.1088/0954-3899/27/11/307

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arXiv