A mult-strip low threshold germanium detector for investigation of rare processes
✍ Scribed by A.G. Beda
- Book ID
- 103854237
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 212 KB
- Volume
- 531
- Category
- Article
- ISSN
- 0168-9002
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✦ Synopsis
A construction of low threshold (E thr o200 eV) germanium detector with mass of several hundred grams is proposed. The detector having such characteristics are needed for investigation of rare processes like neutrino-electron scattering, coherent scattering of neutrino by nuclei and search for Dark Matter. HPGe detectors being used presently for such investigations have energy threshold about 2 keV for mass near 1-2 kg. A design of new type of germanium detector is suggested. The multi-strip configuration of anode of this detector provides significant decreasing of capacitance and leakage current of each strip-detector providing high-energy resolution (and low threshold) for each strip. On the other hand, multi-strip anode configuration provides large fiducial volume of such detector and thereby significant increasing of detector mass (by more than two orders of magnitude as compared with mass of X-ray germanium detectors having analogous energy resolution).