Neutral current quasielastic (anti)neutrino scattering beyond the Fermi gas model at MiniBooNE and BNL kinematics



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Ivanov, M. V. and Antonov, A. N. and Bárbaro, M. B. and Giusti, C. and Meucci, A. and Caballero, J. A. and González Jiménez, A. and Moya de Guerra, Elvira and Udías Moinelo, José Manuel (2015) Neutral current quasielastic (anti)neutrino scattering beyond the Fermi gas model at MiniBooNE and BNL kinematics. Physical Review C, 91 (3). ISSN 0556-2813

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Neutral current quasielastic ( anti) neutrino scattering cross sections on a C-12 target are analyzed using a realistic spectral function S( p, E) that gives a scaling function in accordance with the ( e, e') scattering data. The spectral function accounts for the nucleon- nucleon ( NN) correlations by using natural orbitals from the Jastrow correlation method and has a realistic energy dependence. The standard value of the axial mass MA = 1.032 GeV is used in all calculations. The effect of the final- state interaction on the spectral and scaling functions, as well as on the cross sections, is accounted for. A comparison of the calculations with the empirical data of the MiniBooNE and BNL experiments is performed. Our results are analyzed in comparison with those when NN correlations are not included and, also, with results from other theoretical approaches, such as the relativistic Fermi gas, the relativistic mean field, and the relativistic Green's function, as well as with the SuperScaling Approach based on the analysis of quasielastic electron scattering.

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©2015 American Physical Society. This work was partially supported by Spanish DGI and FEDER funds (Grant Nos. FIS2011-28738-C02-01 and FPA2013 41267), by the Junta de Andalucia, by the Spanish Consolider-Ingenio 2000 program CPAN (Grant No. CSD2007 00042), by the Campus of Excellence International (CEI) of the Moncloa project (Madrid) and Andalucia Tech, and by the Istituto Nazionale di Fisica Nucleare under Contract MANYBODY, as well as by the Bulgarian National Science Fund under Contract Nos. DFNI-T02/19 and DFNIE02/6. M.V.I. is grateful for the warm hospitality given by the UCM and for financial support during his stay there from the SiNuRSE action within the ENSAR European project. A.N.A. acknowledges financial support from the Universidad de Sevilla under the Program “IV Plan Propio de Investigación. Movilidad de Investigadores.” R.G.J. acknowledges financial help from VPPI-US (Universidad de Sevilla).

Uncontrolled Keywords:Electron-nucleus scattering; Relativistic mean-field; Meson-exchange currents; Cross-sections; Proton; Strangeness; Oscillation; Neutrinos
Subjects:Sciences > Physics > Nuclear physics
ID Code:30039
Deposited On:26 May 2015 07:36
Last Modified:10 Dec 2018 14:57

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