Trimuon production in \nuN-scattering as a probe of massive neutrinos |
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| Authors: | M Flanz W Rodejohann K Zuber |
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| Institution: | Lehrstuhl für Theoretische Physik III, Universit?t Dortmund, Otto-Hahn Strasse 4, 44221 Dortmund, Germany, DE
Lehrstuhl für Experimentelle Physik IV, Universit?t Dortmund, Otto-Hahn Strasse 4, 44221 Dortmund, Germany, DE
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| Abstract: | The lepton–number violating process \nu_\mu is studied for the first time in connection with Majorana neutrino masses of the second generation. The sensitivity for light
and heavy Majorana neutrinos is investigated. The ratio with respect to the standard model charged current process is improved
by some orders of magnitude if compared to previously discussed Majorana induced processes. Non–observation of this process in previous experiments allows to demand the effective mass to be GeV, being more stringent than previously discussed direct bounds, however still unnaturally high. Therefore, in the forseeable
future, indirect bounds on effective masses other than \mbox{} will be more stringent.
Received: 16 February 2000 / Revised version: 11 April 2000 / Published online: 6 July 2000 |
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