Published January 1, 2010
| Version v1
Journal article
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Constraints on nonstandard neutrino interactions and unparticle physics with (v) over bar (e)-e(-) scattering at the Kuo-Sheng nuclear power reactor
Creators
- 1. Acad Sinica, Inst Phys, Taipei 11529, Taiwan
- 2. Middle E Tech Univ, Dept Phys, TR-06531 Ankara, Turkey
- 3. Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
- 4. Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China
Description
Neutrino-electron scatterings are purely leptonic processes with robust standard model (SM) predictions. Their measurements can therefore provide constraints to physics beyond SM. The (nu) over bar (e) - e data taken at the Kuo-Sheng Reactor Neutrino Laboratory were used to probe two scenarios: nonstandard neutrino interactions (NSI) and unparticle physics. New constraints were placed on the NSI parameters (epsilon(eL)(ee), epsilon(eR)(ee) ), (epsilon(eL)(e mu), epsilon(eR)(e mu)), and (epsilon(eL)(e tau), epsilon(eR)(e tau)) for the nonuniversal and flavor-changing channels, respectively, as well as to the coupling constants for scalar (lambda(0)) and vector (lambda(1)) unparticles to the neutrinos and electrons.
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