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Momentum space saturation model for deep inelastic scattering and single inclusive hadron production

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Momentum space saturation model for deep inelastic scattering and single inclusive hadron production

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Título Momentum space saturation model for deep inelastic scattering and single inclusive hadron production
Autor Basso, Eduardo Andre Flach
Gay Ducati, Maria Beatriz
Oliveira, Emmanuel Gräve de
Abstract We show how the Santana Amaral-Gay Ducati-Betemps-Soyez (AGBS) model, originally developed for deep inelastic scattering applied to HERA data on the proton structure function, can also describe the RHIC data on single inclusive hadron yield for d þ Au and p þ p collisions through a new simultaneous fit. The single inclusive hadron production is modeled through the color glass condensate, which uses the quark (and gluon) condensate amplitudes in momentum space. The AGBS model is also a momentum space model based on the asymptotic solutions of the Balitsky-Kovchegov equation, although a different definition of the Fourier transform is used. This aspect is overcome, and a description entirely in transverse momentum of both processes arises for the first time. The small difference between the simultaneous fit and the one for HERA data alone suggests that the AGBS model describes very well both kinds of processes and thus emerges as a good tool to investigate the inclusive hadron production data.We use this model for predictions at LHC energies, which agrees very well with available experimental data.
Contido em Physical review. D, Particles, fields, gravitation, and cosmology. College Park. Vol. 84, no. 3 (Aug. 2011), 034024, 8 p.
Assunto Cromodinamica quantica
Espalhamento inelastico profundo
Fisica de particulas elementares e campos
Modelo de cor
Produção de hádrons
Origem Estrangeiro
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/116200
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