Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-07-19
Phys.Lett. B497 (2001) 49-54
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 4 figures, numerical estimates are improved
Scientific paper
10.1016/S0370-2693(00)01305-8
Explicit formulas which describe muon pair production in reaction $\gamma\nu \to \mu^+ \mu^- \nu$ through neutrino magnetic moment are obtained and used to derive in the leading approximation cross section of muon pair production in $\nu N$-scattering due to neutrino magnetic moment. This cross section appears to be proportional to $\log^4 E_{\nu}$. Comparison with experimental data on tridents production provides an upper bound $\mu_{\nu_{\mu}} < 4*10^{-8} \mu_B$, which is approximately two orders of magnitude weaker than that from $\nu_{\mu}e$ elastic scattering data.
Gaidaenko I. V.
Novikov Vladimir A.
Vysotsky M. I.
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