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Relativistic effects in two-particle emission for electron and neutrino reactions

 

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Opened Access Relativistic effects in two-particle emission for electron and neutrino reactions
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Autor: Ruiz Simo, I.
Albertus, C.
Amaro, J. E.
Barbaro, M. B.
Caballero Carretero, Juan Antonio
Donnelly, T. W.
Departamento: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Fecha: 2004-08-18
Publicado en: Physical Review D - Particles, Fields, Gravitation and Cosmology, 90 (3), 033012-1-033012-23.
Tipo de documento: Artículo
Resumen: Two-particle two-hole contributions to electroweak response functions are computed in a fully relativistic Fermi gas, assuming that the electroweak current matrix elements are independent of the kinematics. We analyze the genuine kinematical and relativistic effects before including a realistic meson-exchange current operator. This allows one to study the mathematical properties of the nontrivial seven-dimensional integrals appearing in the calculation and to design an optimal numerical procedure to reduce the computation time. This is required for practical applications to charged-current neutrino scattering experiments, in which an additional integral over the neutrino flux is performed. Finally, we examine the viability of this model to compute the electroweak two-particle–two-hole response functions.
Cita: Ruiz Simo, I., Albertus, C., Amaro, J.E., Barbaro, M.B., Caballero Carretero, J.A. y Donnelly, T.W. (2004). Relativistic effects in two-particle emission for electron and neutrino reactions. Physical Review D - Particles, Fields, Gravitation and Cosmology, 90 (3), 033012-1-033012-23.
Tamaño: 1.594Mb
Formato: PDF

URI: http://hdl.handle.net/11441/62586

DOI: 10.1103/PhysRevD.90.033012

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