A preliminary unexpected result of investigations on superconductors as absorbers for composite bolometers is reported. The investigation is intended to evaluate the feasibility of a rhenium high resolution bolometer to study the beta-decay spectrum of Re-187 and set a limit to the antineutrino mass. Re-187, being the nuclide with the lowest known Q-value for beta-decay is best suited for this purpose. The experimental results show that around 100 mK the heat capacity and the thermalization time in superconducting rhenium are increased by a weak magnetic field. This last effect was unexpected and it is so far unexplained.
机构:
Univ Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, JapanUniv Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, Japan
Damayanthi, R. M. Thushara
Ohno, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, JapanUniv Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, Japan
Ohno, M.
Hatakeyama, S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, JapanUniv Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, Japan
Hatakeyama, S.
Takahashi, H.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, JapanUniv Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, Japan
Takahashi, H.
Otani, C.
论文数: 0引用数: 0
h-index: 0
机构:
RIKEN, Wako, Saitama 3510198, JapanUniv Tokyo, Dept Nucl Engn & Management, Grad Sch Engn, Tokyo 1138656, Japan