Possible Solution to the Gallium Anomaly? Nuclear Transition Densities

D. Castillo, D. Frycz, J. Menéndez

The gallium anomaly, a 20% deficit in the measured ${\nu }_e$ captures on ${}^{71}$Ga, remains unexplained. A recent work [Phys. Rev. Lett. 137, 131805 (2026), arXiv:2512.20560] has propo…