Sensitive germanium thermistors for cryogenic thermal detector of Tokyo dark matter search programme

Wataru Ootani, Yutaka Ito, Keiji Nishigaki, Yasuhiro Kishimoto, Makoto Minowa, Youiti Ootuka

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Sensitive n-type and p-type germanium thermistors were fabricated by the melt doping technique and by the neutron transmutation doping (NTD) technique, respectively, aiming at the use for cryogenic thermal detector, or bolometer of Tokyo dark matter search programme. We report on the measurements of the sensitivities of these thermistors. In particular, the p-type thermistors are sensitive enough to scale up our existing prototype LiF bolometer and realize a multiple array of the bolometers with the total absorber mass of about 1 kg.

Original languageEnglish
Pages (from-to)534-538
Number of pages5
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume372
Issue number3
DOIs
Publication statusPublished - 1996 Apr 1
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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