Superscaling predictions for neutral current quasielastic neutrino-nucleus scattering

The application of superscaling ideas to predict neutral-current (NC) quasielastic (QE) neutrino cross sections is investigated. The relativistic impulse approximation (RIA) using the same relativistic mean field potential (RMF) for both initial and final nucleons - a model that reproduces the exper...

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Bibliographic Details
Published in:Physical review letters 2008-02, Vol.100 (5), p.052502-052502, Article 052502
Main Authors: Martínez, M C, Caballero, J A, Donnelly, T W, Udías, J M
Format: Article
Language:English
Subjects:
CROSS SECTIONS
IMPULSE APPROXIMATION
MEAN-FIELD THEORY
NEUTRAL CURRENTS
NEUTRINOS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
POTENTIALS
QUASI-ELASTIC SCATTERING
RELATIVISTIC RANGE
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Summary:The application of superscaling ideas to predict neutral-current (NC) quasielastic (QE) neutrino cross sections is investigated. The relativistic impulse approximation (RIA) using the same relativistic mean field potential (RMF) for both initial and final nucleons - a model that reproduces the experimental (e,e(')) scaling function - is used to illustrate our findings. While NC reactions are apparently not well suited for scaling analyses, to a large extent, the RIA-RMF predictions do exhibit superscaling. Independence of the scaled response on the nuclear species is very well fulfilled. The RIA-RMF NC superscaling function is in good agreement with the experimental (e,e(')) one. The idea that electroweak processes can be described with a universal scaling function, provided that mild restrictions on the kinematics are assumed, is shown to be valid.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.100.052502