Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-05-29
Physics
High Energy Physics
High Energy Physics - Phenomenology
elsart style, 11 pages, 2 eps figures, submitted do publication
Scientific paper
In this paper, we indicate the theoretical possibility of using the decay of polarized muons at rest as a source of the transversely polarized electron antineutrino beam. Such a beam can be used to probe new effects beyond standard model. We mean here new tests concerning CP violation, Lorentz structure and chirality structure of the charged current weak interactions. The main goal is to show how the energy and angular distribution of the electron antineutrinos in the muon rest frame depends on the transverse components of the antineutrino beam polarization. Our analysis is model-independent and consistent with the current upper limits on the non-standard couplings. The results are presented in a limit of infinitesimally small mass for all particles produced in the decay.
Ciechanowicz S.
Misiaszek M.
Sobków Wieslaw
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