Spin asymmetries in quasielastic charged current neutrino-nucleon scattering

Abstract

The work concerns the quasielastic charged current neutrino-neutron and antineutrino-proton interactions. Single, double, and triple spin asymmetries are computed and analyzed. The spin asymmetries are sensitive to the axial form factor of the nucleon. In particular, the target-recoil double spin asymmetry and the lepton-target-recoil triple spin asymmetry depend strongly on the axial form factor of the nucleon. Indeed, the sign and shape of these components depend on the axial mass parameter. All the asymmetries, except the lepton polarization, are observables well suited to study the nonstandard interactions described by the second class current contribution.

arXiv comment36 pages, 16 figures, 3 Appendixes

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Cited by in corpus (4)

• Tau Neutrinos in the Next Decade: from GeV to EeV
• Quasielastic production of polarized $\tau$ leptons in ${\nu }_{\tau }$ and ${\bar{\nu }}_{\tau }$ scattering from nucleons
• Axial and pseudoscalar form factors from charged current quasielastic neutrino-nucleon scattering
• Model dependence of the polarization asymmetries in weak pion production off the nucleon