Q(beta)-measurements with a total absorption detector composed of through-hole HPGe detector and anti-Compton BGO detector
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Volume 606 Issue 3
Page 484-489
published_at 2009-07-21
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| File | |
| Title ( eng ) |
Q(beta)-measurements with a total absorption detector composed of through-hole HPGe detector and anti-Compton BGO detector
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| Creator |
Hayashi Hiroaki
Shibata Michihiro
Miyazaki Itaru
Suematsu Osamu
Kojima Yasuaki
Kawade Kiyoshi
Taniguchi Akihiro
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| Source Title |
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
|
| Volume | 606 |
| Issue | 3 |
| Start Page | 484 |
| End Page | 489 |
| Abstract |
A total absorption detector, which is composed of a through-hole type HPGe detector coupled with a surrounding annular anti-Compton BGO detector, has been developed for beta(-)-decay energy (Q(beta)) measurements of nuclei far off from the P-stability line. This detector can measure radiations with an almost 4 pi solid angle by putting radioactive sources in the middle of the HPGe detector and also can suppress the scattered photons with the anti-Compton BGO scintillation detector. The systematic uncertainty was determined to be 30 keV by measuring 19 nuclei having Q(beta)s between 3 and 8 MeV by means of conventional square-root plot analysis. The Q(beta)'s of mass-separated fission products La-147 and La-148 were successfully determined to be 5366(40) and 7732(70) keV, respectively.
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| Keywords |
Q(beta)
Total absorption detector
HPGe detector
Anti-Compton BGO scintillator
U-235(n,F)
La-147
La-148
On-line mass separator
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| NDC |
Physics [ 420 ]
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| Language |
eng
|
| Resource Type | journal article |
| Publisher |
Elsevier Science BV
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| Date of Issued | 2009-07-21 |
| Rights |
Copyright (c) 2009 Elsevier B. V.
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| Publish Type | Author’s Original |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0168-9002
[DOI] 10.1016/j.nima.2009.04.047
[NCID] AA10529991
[DOI] http://dx.doi.org/10.1016/j.nima.2009.04.047
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