5 papers · 1 filter
Flavor Matters, but Matter Flavors: Matter Effects on Flavor Composition of Astrophysical Neutrinos
P. S. Bhupal Dev, Sudip Jana, Yago Porto
We show that high-energy astrophysical neutrinos produced in the cores of heavily obscured active galactic nuclei (AGNs) can undergo strong matter effects, thus significantly influ…
Signatures of quasi-Dirac neutrinos in diffuse high-energy astrophysical neutrino data
Kiara Carloni, Yago Porto, Carlos A. Argüelles +2
Although the sources of astrophysical neutrinos are still unknown, they are believed to be produced by a population of sources in the distant universe. Measurements of the diffuse,…
Slaying Axion-Like Particles via Gravitational Waves and Primordial Black Holes from Supercooled Phase Transition
Angela Conaci, Luigi Delle Rose, P. S. Bhupal Dev +1
We study the formation of primordial black holes (PBHs) from density fluctuations due to supercooled phase transitions (PTs) triggered in an axion-like particle (ALP) model. We fin…
Mass Reconstruction of Heavy Neutral Leptons from Stopped Mesons
Gustavo F. S. Alves, P. S. Bhupal Dev, Kevin J. Kelly +1
Heavy neutral leptons (HNLs), depending on their mass and mixing, can be efficiently produced in meson decays from the target or absorber in short- to medium-baseline accelerator n…
Old neutron stars as a new probe of relic neutrinos and sterile neutrino dark matter
Saurav Das, P. S. Bhupal Dev, Takuya Okawa +1
We study the kinetic cooling (heating) of old neutron stars due to coherent scattering with relic neutrinos (sterile neutrino dark matter) via Standard Model neutral-current intera…