A massive thermal detector for alpha and gamma spectroscopy

被引：39

作者：

Alessandrello, A

Brofferio, C

Cremonesi, O

Fiorini, E

Giuliani, A

Nucciotti, A

Pavan, M

Pirro, S

Pessina, G

Parmeggiano, S

Previtali, E

Vanzini, M

Zanotti, L

Coccia, E

Fafone, V

Bucci, C

Rotilio, A

机构：

[1] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[2] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

[3] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[4] Ist Nazl Fis Nucl, Sez Roma 2, I-00133 Rome, Italy

[5] Lab Nazl Gran Sasso, I-67010 Assergi, Aquila, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2000年 / 440卷 / 02期

关键词：

gamma spectroscopy; alpha spectroscopy; cryogenic detectors;

D O I：

10.1016/S0168-9002(99)00928-6

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A massive bolometer with a 760 g TeO2 crystal as energy absorber, the largest employed underground, has been realized and operated in the Gran Sasso Underground Laboratory for gamma- and alpha-ray spectroscopy. A new system of mechanical suspensions was implemented to reduce vibration and thermal noise, and special care was put to the read-out electronics. As a consequence the FWHM resolution for high-energy gamma-rays became comparable to that of Germanium diodes. The 4.2 keV average FWHM resolution for the 5407 keV line is the best ever obtained for alpha particles with any type of detector. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：397 / 402

页数：6

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