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  1. Vor 3 Tagen · View PDF HTML (experimental) Abstract: A core-collapse supernova (SN) releases almost all of its energy in the form of neutrinos, which provide a unique opportunity to probe the working machinery of a SN. These sites are prone to neutrino-neutrino refractive effects, which can lead to fascinating collective flavour oscillations among neutrinos ...

  2. Vor 4 Tagen · The origin of the high-energy astrophysical neutrinos discovered by IceCube remains largely unknown. Multimessenger studies have indicated that the majority of these neutrinos come from gamma-ray-dark sources. Choked-jet supernovae (cjSNe), which are supernovae powered by relativistic jets stalled in stellar materials, may lead to neutrino emission via photohadronic interactions while the ...

  3. Vor 11 Stunden · Due to this, in the B-L model, the neutrinos couple to the scalar sector; particularly, the RH ones couple strongly to the singlet scalar. 2.5 Fermion eigenstates. It is appropriate to mention that the last two terms in Eq. contain the Dirac and the Majorana mass terms for the neutrinos, respectively. To extract the neutrino masses, we have to ...

  4. Vor 2 Tagen · Cosmic tau neutrinos uncovered. An image-scouring AI model assists researchers in finding signatures of the most elusive variety of neutrino. It took two years for researchers using the vast IceCube Neutrino Observatory to uncover a population of the chargeless, featherweight particles that originated beyond the solar system.

  5. Vor 5 Tagen · The group is involved in understanding questions regarding the scale and nature neutrino mass and the origins of the matter/anti-matter asymmetry in the universe. It is involved in particles from terrestrial sources and from the cosmos.

  6. Vor 5 Tagen · Proton Effective Charge Depends on Neutron Population. Experiments comparing neutron-rich cadmium with previous data on a neutron-poor version prove that a key parameter in nuclear calculations depends on the neutron-to-proton ratio. When calculating properties of heavy nuclei, theorists often focus on a subset of the nucleons (protons and ...