Asymptotic scenarios for the proton's central opacity: an empirical study

Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/353014

Type:	Artigo
Title:	Asymptotic scenarios for the proton's central opacity: an empirical study
Author:	Fagundes, D. A. Menon, M. J. Silva, P. V. R. G.
Abstract:	We present a model-independent analysis of the experimental data on the ratio X between the elastic and total cross-sections from pp and p (p) over bar scattering in the c.m. energy interval 5 GeV - 8 TeV. Using a novel empirical parametrization for that ratio as a function of the energy and based on theoretical and empirical arguments, we investigate three distinct asymptotic scenarios: either the black-disk (BD) limit or scenarios above and below that limit. Our analysis favors a scenario below the BD, with asymptotic ratio X = 0.36 +/- 0.08.
Subject:	Prótons
Country:	Estados Unidos
Editor:	AIP Publishing
Rights:	Fechado
Identifier DOI:	10.1063/1.4915978
Address:	https://aip.scitation.org/doi/abs/10.1063/1.4915978
Date Issue:	2015
Appears in Collections:	IFGW - Artigos e Outros Documentos

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