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Aynutdinov, V.; Balkanov, V.; Belolaptikov, I.; Bezrukov, L.; Borschov, D.; Budnev, N.; Chensky, A.; Danilchenko, I.; Davidov, Ya; Domogatsky, G.; Doroshenko, A.; Dyachok, A.; Dzhilkibaev, Zh.-A.; Fialkovsky, S.; Gaponenko, O.; Gress, O.; Gress, T.; Grishin, O.; Klabukov, A.; Klimov, A.; Klimushin, S.; Konischev, K.; Koshechkin, A.; Kuzmichev, L.; Kulepov, V.; Lubsandorzhiev, B.; Mikheyev, S.; Mikolajski, T.; Milenin, M.; Mirgazov, R.; Osipova, E.; Pavlov, A.; Pan’kov, G.; Pan’kov, L.; Panfilov, A.; Parfenov, Yu; Petukhov, D.; Pliskovsky, E.; Pokhil, P.; Poleschuk, V.; Popova, E.; Prosin, V.; Rozanov, M.; Rubtzov, V.; Semeney, Yu; Shaibonov, B.; Shirokov, A.; Spiering, Ch; Tarashansky, B.; Vasiliev, R.; Vyatchin, E.; Wischnewski, R.; Yashin, I.; Zhukov, V.
Astroparticle physics, 03/2006, Letnik: 25, Številka: 2Journal Article
We present the results of a search for high-energy extraterrestrial neutrinos with the Baikal underwater Cherenkov detector NT200, based on data taken in 1998–2003. Upper limits on the diffuse fluxes of ν e + ν μ + ν τ , predicted by several models of AGN-like neutrino sources, are derived. For an E −2 behavior of the neutrino spectrum, our limit is E 2 Φ ν ( E) < 8.1 × 10 −7 cm −2 s −1 sr −1 GeV over an neutrino energy range 2 × 10 4–5 × 10 7 GeV. The upper limit on the resonant ν ¯ e diffuse flux is Φ ν ¯ e < 3.3 × 10 - 20 cm - 2 s - 1 sr - 1 GeV - 1 .
