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Neutrino versus antineutrino cross sections and CP violation

Abstract : We discuss the nuclear interactions of neutrinos versus those of antineutrinos, a relevant comparison for CP violation experiments in the neutrino sector. We consider the MiniBooNE quasielastic-like double differential neutrinos and antineutrinos cross sections which are flux dependent and hence specific to the MiniBooNE set-up. We combine them introducing their sum and their difference. We show that the last combination can bring a general information, which can be exploited in other experiments, on the nuclear matrix elements of the axial vector interference term. Our theoretical model reproduces well the two cross sections combinations. This confirms the need for a sizeable multinucleon component in particular in the interference term.
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http://hal.in2p3.fr/in2p3-01128709
Contributor : Dominique Girod <>
Submitted on : Tuesday, March 10, 2015 - 11:35:12 AM
Last modification on : Thursday, June 17, 2021 - 3:19:03 PM

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M. Ericson, M. Martini. Neutrino versus antineutrino cross sections and CP violation. Physical Review C, American Physical Society, 2015, 91, pp.035501. ⟨10.1103/PhysRevC.91.035501⟩. ⟨in2p3-01128709⟩

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