Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2001-04-16
Phys.Rev.Lett.87:071803,2001
Physics
High Energy Physics
High Energy Physics - Experiment
4 pages, 4 figures, 2 tables. Submitted to Physics Review Letters
Scientific paper
10.1103/PhysRevLett.87.071803
The NuTeV experiment at Fermilab has used a sign-selected neutrino beam to perform a search for the lepton number violating process nu_mu-bar e^- -> mu^- nu_e-bar, and to measure the cross-section of the Standard Model inverse muon decay process nu_mu e^- -> mu^- nu_e. NuTeV measures the inverse muon decay asymptotic cross-section sigma/E to be 13.8 +/- 1.2 +/- 1.4 x 10^-42 cm^2/GeV. The experiment also observes no evidence for lepton number violation and places one of the most restrictive limits on the LNV/IMD cross-section ratio at < 1.7% at 90% C.L. for V-A couplings and < 0.6% for scalar couplings.
Formaggio Joseph A.
NuTeV Collaboration
Yu Jaejun
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