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On the hidden charm state at 3872 MeV
Sandip Pakvasa, Mahiko Suzuki
We discuss some puzzling aspects of the narrow hidden charm resonance that was recently discovered by the Belle Collaboration at mass 3872 MeV. In order to determine its quantum nu…
Sensitivity to and in the Decaying Astrophysical Neutrino Scenario
John F. Beacom, Nicole F. Bell, Dan Hooper +2
We have previously shown that the decay of high-energy neutrinos from distant astrophysical sources would be revealed by flavor ratios that deviate strongly from the $ϕ_{ν_e}:ϕ_{ν_…
Pseudo-Dirac Neutrinos, a Challenge for Neutrino Telescopes
John F. Beacom, Nicole F. Bell, Dan Hooper +3
Neutrinos may be pseudo-Dirac states, such that each generation is actually composed of two maximally-mixed Majorana neutrinos separated by a tiny mass difference. The usual active…
Comment on the new resonances
Thomas E. Browder, Sandip Pakvasa, Alexey A. Petrov
We propose an explanation of the new resonances observed in decays. We suggest that the data can be explained by the mixing of conventional p-wave excited …
Measuring Flavor Ratios of High-Energy Astrophysical Neutrinos
John F. Beacom, Nicole F. Bell, Dan Hooper +2
We discuss the prospects for next generation neutrino telescopes, such as IceCube, to measure the flavor ratios of high-energy astrophysical neutrinos. The expected flavor ratios a…
Neutrino Decays and Neutrino Telescopes
S. Pakvasa
It is shown how deviations of neutrino flavor mix from the canonical 1 : 1 : 1 in high energy astrophysical neutrinos can provide evidence for neutrino decays with lifetimes as lon…