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Type: Artigo
Title: Fine Structure Of The Diffraction Cone: From The Isr To The Lhc
Author: Fagundes
D. A.; Jenkovszky
L.; Miranda
E. Q.; Pancheri
G.; Silva
P. V. R. G.
Abstract: Following earlier findings, we argue that the low-vertical bar t vertical bar structure in the elastic diffractive cone, recently reported by the TOTEM Collaboration at 8 TeV, is a consequence of the threshold singularity required by t-channel unitarity, such as revealed earlier at the ISR. By using simple Regge-pole models, we analyze the available data on the pp elastic differential cross section in a wide range of c.m. energies, namely those from ISR to LHC8, obtaining good fits of all datasets. This study hints at the fact that the non-exponential behavior observed at LHC8 is a recurrence of the low-vertical bar t vertical bar "break" phenomenon, observed in the seventies at ISR, being induced by the presence of a two-pion loop singularity in the Pomeron trajectory.
Subject: T-vertical-bar;elastic-scattering;high-energies;pomeron;model
Editor: World Scientific Publ CO PTE LTD
Citation: International Journal Of Modern Physics A. World Scientific Publ Co Pte Ltd, v. 31, p. , 2016.
Rights: fechado
Identifier DOI: 10.1142/S0217751X16450226
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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