662 research outputs found

    Searching for BSM neutrino interactions in dark matter detectors

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    Neutrino interactions beyond the Standard Model (BSM) are theoretically well motivated and have an important impact on the future precision measurement of neutrino oscillation. In this work, we study the sensitivity of a multi-ton-scale liquid Xenon dark matter detector equipped with an intense radiative neutrino source to various BSM neutrino-electron interactions. We consider the conventional Non-Standard Interactions (NSIs), other more generalized four-fermion interactions including scalar and tensor forms, and light-boson mediated interactions. The work shows that with realistic experimental setups, one can achieve unprecedented sensitivity to these BSM neutrino-electron interactions.Comment: fig. 7 added, matches the published versio

    Probing Active to Sterile Neutrino Oscillations in the LENS Detector

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    Sterile neutrino conversion in meter scale baselines can be sensitively probed using monoenergetic, sub-MeV, flavor pure e-neutrinos from an artificial MCi source and the unique technology of LENS designed to oberve the low energy solar neutrino spectrum via tagged CC e-neutrino capture in 115-In. Active-sterile oscillations can be directly observed in the granular LENS detector itself to critically test and extend resuls of short baseline accelerator and reactor experiments.Comment: 4pages, 4 figures, text and figure change

    Combining dark matter detectors and electron-capture sources to hunt for new physics in the neutrino sector

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    In this letter we point out the possibility to study new physics in the neutrino sector using dark matter detectors based on liquid xenon. These are characterized by very good spatial resolution and extremely low thresholds for electron recoil energies. When combined with a radioactive νe\nu_e source, both features in combination allow for a very competitive sensitivity to neutrino magnetic moments and sterile neutrino oscillations. We find that, for realistic values of detector size and source strength, the bound on the neutrino magnetic moment can be improved by an order of magnitude with respect to the present value. Regarding sterile neutrino searches, we find that most of the gallium anomaly could be explored at the 95% confidence level just using shape information.Comment: 5 pages, 2 figures. Minor modifications, references added. Version accepted for publication in JHE

    CLEO Dalitz plot results

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    Present and future contributions of the CLEO experiment to the study of DD Dalitz plots are presented. Such Dalitz plots can be of help in determining weak phases from B→DKB \to D K decays.Comment: 4 pages, 6 figures, presented at Beauty 2005, Assisi, Italy, June 20-24, 2005, on behalf of CLEO Collaboration, one reference adde
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