Physics
Scientific paper
Oct 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..osf.1p012w&link_type=abstract
American Physical Society, Ohio Section Fall Meeting in conjunction with , abstract #1P.012
Physics
Scientific paper
The interest in a neutrino magnetic moment(NMM) is due to the importance of neutrinos in the dynamics of stellar processes and in the solar neutrino problem. A proposed project with artificial tritium antineutrino source plans to probe NMM at the level of μ_ν ˜0.03ot10-10μ_B. The silicon detector we are using for cryogenic dark matter searching(CDMS), which has 1KeV recoil energy threshold, is good candidate for NMM measurement. The electron hole pairs created by deposited recoil energy from antineutrino electron scattering emit acoustic phonons when they are accelerated in external electrical field. The acoustic phonons are collected with superconducting transition edge sensors, which have SQUID output reading systems. By opearting CDMS detector in a strong external electrical field, the original deposited recoil energy can be amplified with a thermal gain, and the actual recoil energy threshold can be lowered to 10eV. In this poster, we will present the detector configuration for NMM, first test results of the detector at high voltage bias, and give the thermal gain relation with voltage.
Akerib Daniel S.
Driscoll Daniel
Gaitskell Richard J.
Kamat Sharmila
Perera Thushara
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