Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-01-03
Phys.Rev.D72:092001,2005
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, 9 figures
Scientific paper
10.1103/PhysRevD.72.092001
The question of the existence of light sterile neutrinos is of great interest in many areas of particle physics, astrophysics, and cosmology. Furthermore, should the MiniBooNE experiment at Fermilab confirm the LSND oscillation signal, then new measurements are required to identify the mechanism responsible for these oscillations. Possibilities include sterile neutrinos, CP or CPT violation, variable mass neutrinos, Lorentz violation, and extra dimensions. In this paper, we consider an experiment at a stopped pion neutrino source to determine if active-sterile neutrino oscillations with delta-m greater than 0.1 eV2 can account for the signal. By exploiting stopped pi+ decay to produce a monoenergetic nu_mu source, and measuring the rate of the neutral current reaction nu_x + 12C -> nu_x +12C* as a function of distance from the source, we show that a convincing test for active-sterile neutrino oscillations can be performed.
de Water G. Van R.
Garvey Gerald T.
Green Adam
Green Ch.
Louis W. C.
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