Asymptotic scenarios for the proton’s central opacity: An empirical study

Journal Article · Fri Apr 10 00:00:00 EDT 2015 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4915978· OSTI ID:22391359

Fagundes, D. A. ^[1]; Menon, M. J.

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1. Instituto de Física Teórica, Universidade Estadual Paulista, UNESP, CEP 01140-070, São Paulo, SP (Brazil)

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{sup ¯}p 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.

• OSTI ID: 22391359
• Journal Information: AIP Conference Proceedings, Vol. 1654, Issue 1; Conference: DIFFRACTION 2014: International Workshop on Diffraction in High-Energy Physics, Primosten (Croatia), 10-16 Sep 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ASYMPTOTIC SOLUTIONS
ELASTIC SCATTERING
ENERGY DEPENDENCE
GEV RANGE
OPACITY
PARTICLE STRUCTURE
PROTON-ANTIPROTON INTERACTIONS
PROTON-PROTON INTERACTIONS
PROTONS
TEV RANGE
TOTAL CROSS SECTIONS