DocumentCode :
1819240
Title :
Radiation monitoring with diamond sensors in BABAR
Author :
Edwards, A.J. ; Brau, B. ; Bruinsma, M. ; Burchat, P. ; Kagan, H. ; Kass, R. ; Kirkby, D. ; Petersen, B.A. ; Zoeller, M.
Author_Institution :
Stanford Univ., CA, USA
Volume :
1
fYear :
2003
fDate :
19-25 Oct. 2003
Firstpage :
83
Abstract :
In order to safeguard the silicon vertex tracker in the BABAR detector from excessive radiation damage, cumulative dose and instantaneous dose rates are continuously monitored. As an upgrade to the current radiation monitoring system which uses silicon PIN-diodes, we are examining the possible use of single-crystal and/or polycrystalline chemical vapor deposition (CVD) diamonds. The radiation responses of several CVD diamonds have been tested on time scales from tens of nanoseconds to thousands of seconds in order to determine their integrity in monitoring accumulated dose and their response to large sudden changes in dose rates. Two polycrystalline CVD diamonds have been installed near the silicon vertex tracker near existing silicon PIN-diodes for comparative studies. CVD diamond radiation sensors have also been tested using 60Co and in various magnetic field configurations.
Keywords :
CVD coatings; diamond; dosimetry; gamma-ray detection; position sensitive particle detectors; radiation monitoring; silicon radiation detectors; BABAR; C; Si; Si vertex tracker; cumulative dose; diamond sensors; excessive radiation damage; instantaneous dose rates; radiation monitoring; Charge coupled devices; Chemical sensors; Current measurement; Diodes; Electron beams; Leakage current; Positrons; Radiation monitoring; Silicon; Temperature;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Nuclear Science Symposium Conference Record, 2003 IEEE
ISSN :
1082-3654
Print_ISBN :
0-7803-8257-9
Type :
conf
DOI :
10.1109/NSSMIC.2003.1352003
Filename :
1352003
Link To Document :
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