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Development of a Kr-83m source for the calibration of the CENNS-10 liquid argon detector

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Akimov, D. / An, P. / Awe, C. / Barbeau, P. S. / Becker, B. / Belov, V / Bernardi, I / Blackston, M. A. / Blokland, L. / Bolozdynya, A. / Cabrera-Palmer, B. / Chen, N. / Chernyak, D. / Conley, E. / Daughhetee, J. / Coello, M. del Valle / Detwiler, J. A. / Durand, M. R. / Efremenko, Y. / Elliott, S. R. / Fabris, L. / Febbraro, M. / Fox, W. / Galindo-Uribarri, A. / Rosso, A. Gallo / Green, M. P. / Hansen, K. S. / Heath, M. R. / Hedges, S. / Hughes, M. / Johnson, T. / Khromov, A. / Konovalov, A. / Kozlova, E. / Kumpan, A. / Li, L. / Librande, J. T. / Link, J. M. / Liu, J. / Mann, K. / Markoff, D. M. / McGoldrick, O. / Mueller, P. E. / Newby, J. / Parno, D. S. / Penttila, S. / Pershey, D. / Radford, D. / Rapp, R. / Ray, H. / Raybern, J. / Razuvaeva, O. / Reyna, D. / Rich, G. C. / Rudik, D. / Runge, J. / Salvat, D. J. / Scholberg, K. / Shakirov, A. / Simakov, G. / Sinev, G. / Snow, W. M. / Sosnovtsev, V / Suh, B. / Tayloe, R. / Tellez-Giron-Flores, K. / Thornton, R. T. / Tolstukhin, I / Vanderwerp, J. / Varner, R. L. / Venkataraman, R. / Virtue, C. J. / Visser, G. / Wiseman, C. / Wongjirad, T. / Yang, J. / Yen, Y-R / Yoo, Jongheeresearcher / Yu, C-H / Zettlemoyer, J.
We report on the preparation of and calibration measurements with a Kr-83m source for the CENNS-10 liquid argon detector. Kr-83m atoms generated in the decay of a Rb-83 source were introduced into the detector via injection into the Ar circulation loop. Scintillation light arising from the 9.4 keV and 32.1 keV conversion electrons in the decay of Kr-83m in the detector volume were then observed. This calibration source allows the characterization of the low-energy response of the CENNS-10 detector and is applicable to other low-energy-threshold detectors. The energy resolution of the detector was measured to be 9% at the total Kr-83m decay energy of 41.5 keV. We performed an analysis to separately calibrate the detector using the two conversion electrons at 9.4 keV and 32.1 keV.
Publisher
IOP PUBLISHING LTD
Issue Date
2021-04
Language
English
Article Type
Article
Citation

JOURNAL OF INSTRUMENTATION, v.16, no.4

ISSN
1748-0221
DOI
10.1088/1748-0221/16/04/P04002
URI
http://hdl.handle.net/10203/282801
Appears in Collection
PH-Journal Papers(저널논문)
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