Abstract

A search for the supernova burst neutrinos was conducted using data from the Super-Kaimokande (SK) detector. We used the data set of SK taken from May 1996 to July 2001 (SK-I) and from December 2002 to October 2005 (SK-II). There is no evidence of such a supernova explosions during the data period. The preliminary 90% C.L. upper limit on the rate of supernova explosions out to distances of 100 kiloparsecs is found to be −1 . In addition of the 4.26 yearʼs worth of data from Kamiokande-II and III, the limit on the rate of supernova explosions within our galaxy is determined to be −1 .

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