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Type: Artigo de periódico
Title: Analysis of the diffractive production of W's and dijets at the DESY HERA and Fermilab Tevatron colliders
Author: Covolan, RJM
Soares, MS
Abstract: Hadronic processes in which hard diffractive production takes place have been observed and analyzed in collider experiments for several years. The experimental rates of diffractive W's and dijets measured at the Fermilab Tevatron and the cross sections of diffractively produced dijets recently obtained at the DESY HERA experiment are the object of this analysis. We use the Pomeron structure function obtained from the HERA data by two different approaches to calculate the rates and cross sections for these processes. The comparison of theoretical predictions with the measured values reveals some discrepancies that make evident the conceptual difficulties with such approaches. A new version of the Ingelman-Schlein model is proposed as an attempt to overcome such difficulties and make theory and data compatible. [S0556-2821(99)00515-9].
Country: EUA
Editor: American Physical Soc
Rights: aberto
Date Issue: 1999
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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