Spontaneous wash-in leptogenesis in Type II Seesaw with Majoron pNGB background enables baryon asymmetry generation alongside dark matter cogenesis for specific v_T, v_sigma and m_j ranges.
Cosmic neutrino background search experiments as decaying dark matter detectors
3 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We investigate the possibility that particles that are long-lived on cosmological scales, making up part or all of the dark matter, decay to neutrinos that have present-day energies around an eV. The neutrinos from these decays can potentially be visible at experiments that hope to directly observe the cosmic neutrino background through neutrino capture on tritium, such as PTOLEMY. In the context of a simple model that can realize such decays, we discuss the allowed signatures at a PTOLEMY-like experiment given current cosmological constraints.
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Steep matter-density gradients in neutron stars can produce neutrino-antineutrino pairs analogous to the Schwinger effect.
The KM3NeT neutrino event may be a primordial neutrino from relic particle decay or annihilation near recombination, yielding a narrow spectral peak that evades broad power-law constraints from other telescopes.
citing papers explorer
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Type II Seesaw Leptogenesis in a Majoron background
Spontaneous wash-in leptogenesis in Type II Seesaw with Majoron pNGB background enables baryon asymmetry generation alongside dark matter cogenesis for specific v_T, v_sigma and m_j ranges.
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Gradient-Produced Neutrinos
Steep matter-density gradients in neutron stars can produce neutrino-antineutrino pairs analogous to the Schwinger effect.
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The KM3NeT event: a primordial high energy neutrino?
The KM3NeT neutrino event may be a primordial neutrino from relic particle decay or annihilation near recombination, yielding a narrow spectral peak that evades broad power-law constraints from other telescopes.