Abstract
A new Super-Kamiokande search for supernova relic neutrinos was conducted using 2853 live days of data. Sensitivity is now greatly improved compared to the 2003 Super-Kamiokande result, which placed a flux limit near many theoretical predictions. This more detailed analysis includes a variety of improvements such as increased efficiency, a lower energy threshold, and an expanded data set. New combined upper limits on supernova relic neutrino flux are between 2.8 and 3.1ν ̄ecm -2s -1>16MeV total positron energy (17.3MeV E ν).
| Original language | English |
|---|---|
| Article number | 052007 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 85 |
| Issue number | 5 |
| DOIs | |
| State | Published - Mar 22 2012 |
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