Observation of muon pairs in neutrino interactions at Serpukhov 70 GeV accelarator期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Observation of muon pairs in neutrino interactions at Serpukhov 70 GeV accelarator

Authors:	A.E. Asratyan V.Sh. Epstein E.A. Grigoriev N.V. Kalganov V.S. Kaftanov V.D. Khovansky Yu.G. Kornelyuk M.A. Kubantsev I.P. Maksimov A.N. Rozanov M.S. Ryabinin V.M. Serezhin V.V. Shamanov V.G. Shevchenko V.A. Smotryaev I.S. Trostin A.A. Zaytsev S.A. Zeldovich Ya.A. Zudin

Affiliation:	Institute for Theoretical and Experimental Physics, Moscow, USSR;Institute for High Energy Physics, Serpukhov, USSR

Abstract:	A search for dimuons produced in a spark chamber experiment in neutrino and antineutrino beams of the Serpukhov accelerator is reported. The clear dimuon signal has been observed in vN interactions. R_v = N(2ω)/N(1ω)? (6.2 ± 1.7) × 10^?3 in the energy interval 7.5 ÷ 30 GeV. From antineutrino data we conclude that in the same energy range $R_{v} ? 1.1. × 10^{?2} (90% C.L.)$ .

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