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APS Neutrino Study: Report of the Neutrino Astrophysics and Cosmology Working Group
Steve W. Barwick, John F. Beacom, Vince Cianciolo +11
In 2002, Ray Davis and Masatoshi Koshiba were awarded the Nobel Prize in Physics ``for pioneering contributions to astrophysics, in particular for the detection of cosmic neutrinos…
The Neutrino Factory and Beta Beam Experiments and Development
C. Albright, V. Barger, J. Beacom +13
The long-term prospects for fully exploring three-flavor mixing in the neutrino sector depend upon an ongoing and increased investment in the appropriate accelerator R&D. Two new c…
Gamma-Ray Constraint on Galactic Positron Production by MeV Dark Matter
John F. Beacom, Nicole F. Bell, Gianfranco Bertone
The Galactic positrons, as observed by their annihilation gamma-ray line at 0.511 MeV, are difficult to account for with astrophysical sources. It has been proposed that they are p…
Shower Power: Isolating the Prompt Atmospheric Neutrino Flux Using Electron Neutrinos
John F. Beacom, Julián Candia
At high energies, the very steep decrease of the conventional atmospheric component of the neutrino spectrum should allow the emergence of even small and isotropic components of th…
Neutrinoless Universe
John F. Beacom, Nicole F. Bell, Scott Dodelson
We consider the consequences for the relic neutrino abundance if extra neutrino interactions are allowed, e.g., the coupling of neutrinos to a light (compared to ) boson. For…
Angular Correlations of the MeV Cosmic Gamma Ray Background
Pengjie Zhang, John F. Beacom
The measured cosmic gamma ray background (CGB) spectrum at MeV energies is in reasonable agreement with the predicted contribution from type Ia supernovae (SNIa). But the character…