Abstract
With the Fréjus detector we studied four astrophysical point-like sources by using\(v_e (\bar v_e )\) and\(v_\mu (\bar v_\mu )\) interactions in the detector and\(v_\mu (\bar v_\mu )\) interactions in the surrounding rock. No excess of events was found. Therefore upper limits of neutrino fluxes and source luminositics are quoted. These limits confirm results from other experiments. In addition new limits are presented for spectral indices above 3.
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Supported by the BMFT, FRG, under contact number 55AC14P
Supported by the BMFT, FRG, under contract number 55WT84P
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Fréjus Collaboration., Berger, C., Fröhlich, M. et al. A search for high energy neutrinos from SN 1987A, the Carb, Hercules X-1, and Cygnus X-3 with the Fréjus detector. Z. Phys. C - Particles and Fields 48, 221–226 (1990). https://doi.org/10.1007/BF01554469
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DOI: https://doi.org/10.1007/BF01554469