Friday, February 3, 2012

1202.0248 (John Ellis et al.)

Prospective Constraints on Neutrino Masses from a Core-Collapse Supernova    [PDF]

John Ellis, Hans-Thomas Janka, Nikolaos E. Mavromatos, Alexander S. Sakharov, Edward K. G. Sarkisyan
We discuss the prospects for improved upper limits on neutrino masses that may be provided by a core-collapse supernova explosion in our galaxy, if it exhibits time variations in the neutrino emissions on the scale of a few milliseconds as suggested by recent two-dimensional simulations. Analyzing simulations of such neutrino emissions using the wavelet technique adopted in [1], we find that an upper limit m_nu ~ 0.14 eV could be established at the 95% confidence level if the time variations in emissions were to be preserved during neutrino propagation to the Earth.
View original: http://arxiv.org/abs/1202.0248

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