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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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Author: Ruiz Simo, I.
Albertus, C.
Amaro, J. E.
Barbaro, M. B.
Caballero Carretero, Juan Antonio
Donnelly, T. W.
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2004-08-18
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology, 90 (3), 033012-1-033012-23.
Document type: Article
Abstract: 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.
Cite: 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.
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URI: http://hdl.handle.net/11441/62586

DOI: 10.1103/PhysRevD.90.033012

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