Effect of the charged-lepton's mass on the quasielastic neutrino cross sections

Abstract

Martini et al. [Phys. Rev. C 94, 015501 (2016)] recently observed that when the produced-lepton's mass plays an important role, the charged-current quasielastic cross section for muon neutrinos can be higher than that for electron neutrinos. Here I argue that this effect appears solely in the theoretical descriptions of nuclear effects in which nucleon knockout requires the energy and momentum transfers to lie in a narrow range of the kinematically allowed values.

arXiv comment3 pages, 2 figures, ancillary file, the title and text have been modified to conform to the style of Phys. Rev. C

References in corpus (4)

• A unified approach for nucleon knock-out, coherent and incoherent pion production in neutrino interactions with nuclei
• Neutrino quasielastic interaction and nuclear dynamics
• Electron-neutrino scattering off nuclei from two different theoretical perspectives
• Analysis of the Q^2-dependence of charged-current quasielastic processes in neutrino-nucleus interactions

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• Hyperon production in quasielastic ${\bar{\nu }}_{\tau }-$nucleon scattering
• Phase space of electron- and muon-neutrino and antineutrino scattering off nuclei
• Theory of QED radiative corrections to neutrino scattering at accelerator energies
• A New Generation of Neutrino Cross Section Experiments: Challenges and Opportunities