Comments on "On the Dirac-Majorana neutrinos distinction in four-body decays" (arXiv:2305.14140 [hep-ph], Phys. Rev. D 109, no.3, 033005 (2024))

C. S. Kim, M. V. N. Murthy, Dibyakrupa Sahoo

In arXiv:2305.14140 [hep-ph] the authors analyze the radiative leptonic decay ${\ell }^{-}\to {\nu }_{\ell }{\overline{\nu }}_{{\ell }^{\prime }}{\ell }^{\prime -}\gamma$ to distinguish between Dirac and Maj…