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hep-ph2026
Open system approach to neutrinos propagating in an ultralight scalar background
Lua F. T. Airoldi, Gustavo F. S. Alves, Pedro A. N. Machado +1
We examine decoherence in neutrino oscillations induced by an ultralight scalar field coupled to neutrinos. The scalar induces time- and position-dependent shifts in the neutrino m…
hep-ph2025
Could a Primordial Black Hole Explosion Explain the extremely high-energy KM3NeT neutrino Event?
Lua F. T. Airoldi, Gustavo F. S. Alves, Yuber F. Perez-Gonzalez +2
A black hole is expected to end its lifetime in a cataclysmic runaway burst of Hawking radiation, emitting all Standard Model particles with ultra-high energies. Thus, the explosio…