Speaker
Description
The nonzero neutrino masses open a door for neutrino electromagnetic interactions [1]. We study how these interactions may manifest themselves in elastic neutrino-nucleon scattering processes. Following our approach developed for the case of elastic neutrino-electron [2] and neutrino-proton [3-5] collisions, in our formalism we account for possible electromagnetic form factors of massive neutrinos: the charge, magnetic, electric, and anapole form factors of both diagonal and transition types. Considering Dirac neutrinos, we assume the neutrino beam arriving at the target to have arbitrary spin polarization due to effects of neutrino spin oscillations. When treating the nucleon electromagnetic vertex, we take into account not only charge and magnetic form factors of a nucleon, but also its electric and anapole form factors. We numerically examine how the effects of the neutrino electromagnetic properties (in particular, charge radii and magnetic moments) and the admixture of right-handed neutrinos can influence the differential cross section of elastic neutrino-nucleon scattering.
[1] C. Giunti, A. Studenikin, Rev. Mod. Phys. 87, 531 (2015), arXiv:1403.6344.
[2] K. Kouzakov, A. Studenikin, Phys. Rev. D 96, 099904 (2017), arXiv:1703.00401.
[3] K. Kouzakov, F. Lazarev, A. Studenikin, PoS(ICHEP2020) 205 (2020).
[4] K. Kouzakov, F. Lazarev, A. Studenikin, J. Phys.: Conf. Ser. 2156, 012225 (2021).
[5] K. Kouzakov, F. Lazarev, A. Studenikin, Phys. Atom. Nucl. 86, 407 (2023).
