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Type: Artigo de periódico
Title: Charged particle multiplicity in diffractive deep inelastic scattering
Author: Covolan, RJM
Kisselev, AV
Abstract: The recent data from the H1 Collaboration on hadron multiplicity in diffractive DIS is studied in the framework of perturbative QCD as a function of invariant diffractive mass. The formulas obtained explain the observed excess of particle production in diffractive DIS relative to that in DIS and e(+)e(-) annihilation. It is shown that the results are sensitive to the quark-gluon structure of the Pomeron. Namely, the data are in favor of a superhard gluon distribution at the initial scale. [S0556-2821(99)02813-1].
Country: EUA
Editor: American Physical Soc
Citation: Physical Review D. American Physical Soc, v. 60, n. 3, 1999.
Rights: aberto
Date Issue: 1999
Appears in Collections:Unicamp - Artigos e Outros Documentos

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