Authors:
S. Aggarwal Bhabha Atomic Research Centre Fuel Chemistry Divistion Trombay 400 085 Bombay (India)

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R. Duggal Bhabha Atomic Research Centre Fuel Chemistry Divistion Trombay 400 085 Bombay (India)

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P. Shah Bhabha Atomic Research Centre Fuel Chemistry Divistion Trombay 400 085 Bombay (India)

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R. Rao Bhabha Atomic Research Centre Fuel Chemistry Divistion Trombay 400 085 Bombay (India)

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H. Jain Bhabha Atomic Research Centre Fuel Chemistry Divistion Trombay 400 085 Bombay (India)

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Abstract  

Experimental evaluation of a commonly used silicon surface barrier detector and of the recently introduced passivated ion implanted detector for alpha spectrometry is reported in terms of FWHM, peak to valley ratio, tail parameter and % tail contribution per unit alpha activity ratio using electrodeposited sources of plutonium prepared on platinum backing material. For this purpose, detectors of nearly the same diameter were employed (100 mm2 silicon surface barrier detector with a diamater of 1.13 cm and 80 mm2 passivated ion implanted silicon detector with a diameter of 1.01 cm). It is shown that the recently introduced passivated ion implanted detectors give smaller tailing effects. But there is no significant difference between the two detectors used in the present work w.r.t. FWHM and peak to valley ratios. Further, it is observed that the peak to valley ratio can be used to get an idea about240Pu/239Pu and241Am/238Pu alpha-activity ratios in the sample.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)