Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-01-10
Phys.Rev.D64:073011,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
36 pages Latex file, with 13 postscript figures; important improvements in the analysis and more detailed presentation of resu
Scientific paper
10.1103/PhysRevD.64.073011
Signatures of neutrino and antineutrino signals from stellar collapse in heavy water detectors are contrasted with those in water detectors. The effects of mixing, especially due to the highly dense matter in the supernova core, are studied. The mixing parameters used are those sets allowed by current understanding of available neutrino data: from solar, atmospheric and laboratory neutrino experiments. Signals at a heavy water detector, especially the dominant charged current reactions on deuteron, are very sensitive to some of these sets of allowed mixing parameters. Theoretical uncertainties on supernova neutrino spectra notwithstanding, a combination of supernova measurements with water and heavy water detectors may be able to distinguish many of these mixing possibilities and thus help in ruling out many of them.
Dutta Gautam
Indumathi D.
Murthy M. V. N.
Rajasekaran Guruswamy
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