Measurement of the Spectral Shape of the beta-Decay of Xe-137 to the Ground State of Cs-137 in EXO-200 and Comparison with Theory

S. Al Kharusi; G. Anton; Badhrees; P. S. Barbeau; D. Beck; Belov; T. Bhatta; M. Breidenbach; T. Brunner; G. F. Cao; W. R. Cen; C. Chambers; B. Cleveland; M. Coon; A. Craycraft; T. Daniels; L. Darroch; S. J. Daugherty; J. Davis; S. Delaquis; A. Der Mesrobian-Kabakian; R. DeVoe; J. Dilling; A. Dolgolenko; M. J. Dolinski; J. Echevers; W. Fairbank; D. Fairbank; J. Farine; S. Feyzbakhsh; P. Fierlinger; D. Fudenberg; P. Gautam; R. Gornea; G. Gratta; C. Hall; E. Hansen; J. Hoessl; P. Hufschmidt; M. Hughes; A. Iverson; A. Jamil; C. Jessiman; M. J. Jewell; A. Johnson; A. Karelin; L. J. Kaufman; T. Koffas; J. Kostensalo; R. Krucken; A. Kuchenkov; K. S. Kumar; Y. Lan; A. Larson; B. G. Lenardo; D. S. Leonard; G. S. Li; S. Li; Z. Li; C. Licciardi; Y. H. Lin; R. MacLellan; T. McElroy; T. Michel; B. Mong; D. C. Moore; K. Murray; P. Nakarmi; O. Njoya; O. Nusair; A. Odian; Ostrovskiy; A. Piepke; A. Pocar; F. Retiere; A. L. Robinson; P. C. Rowson; D. Ruddell; J. Runge; S. Schmidt; D. Sinclair; K. Skarpaas; A. K. Soma; Stekhanov; J. Suhonen; M. Tarka; S. Thibado; J. Todd; T. Tolba; T. Totev; R. Tsang; B. Veenstra; V. Veeraraghavan; P. Vogel; J-L Vuilleumier; M. Wagenpfeil; J. Watkins; M. Weber; L. J. Wen; U. Wichoski; G. Wrede; S. X. Wu; Q. Xia; D. R. Yahne; L. Yang; Y-R Yen; O. Ya Zeldovich; T. Ziegler; EXO-200 Collaboration; I. Badhrees

doi:10.1103/PhysRevLett.124.232502

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Measurement of the Spectral Shape of the beta-Decay of Xe-137 to the Ground State of Cs-137 in EXO-200 and Comparison with Theory

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Measurement of the Spectral Shape of the beta-Decay of Xe-137 to the Ground State of Cs-137 in EXO-200 and Comparison with Theory

S. Al Kharusi, G. Anton, Badhrees, P. S. Barbeau, D. Beck, Belov, T. Bhatta, M. Breidenbach, T. Brunner, G. F. Cao, …

Physical review letters, Vol.124(23)

12/06/2020

DOI: https://doi.org/10.1103/PhysRevLett.124.232502

PMID: 32603173

Abstract

Physical Sciences

Physics

Physics, Multidisciplinary

Science & Technology

We report on a comparison between the theoretically predicted and experimentally measured spectra of the first-forbidden nonunique beta-decay transition Xe-137(7/2(-)) -> Cs-137(7/2(+)). The experimental data were acquired by the EXO-200 experiment during a deployment of an AmBe neutron source. The ultralow background environment of EXO-200, together with dedicated source deployment and analysis procedures, allowed for collection of a pure sample of the decays, with an estimated signal to background ratio of more than 99 to 1 in the energy range from 1075 to 4175 keV. In addition to providing a rare and accurate measurement of the first-forbidden nonunique beta-decay shape, this work constitutes a novel test of the calculated electron spectral shapes in the context of the reactor antineutrino anomaly and spectral bump.

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Title: Measurement of the Spectral Shape of the beta-Decay of Xe-137 to the Ground State of Cs-137 in EXO-200 and Comparison with Theory
Creators - without role: S. Al Kharusi - McGill University
G. Anton - Friedrich-Alexander-Universität Erlangen-Nürnberg
Badhrees - Carleton University
P. S. Barbeau - Duke University
D. Beck - University of Illinois Urbana-Champaign
Belov - Kurchatov Institute
T. Bhatta - University of South Dakota
M. Breidenbach - Menlo School
T. Brunner - McGill University
G. F. Cao - Inst High Energy Phys, Beijing 100049, Peoples R China
W. R. Cen - Inst High Energy Phys, Beijing 100049, Peoples R China
C. Chambers - McGill University
B. Cleveland - Laurentian University
M. Coon - University of Illinois Urbana-Champaign
A. Craycraft - Colorado State University
T. Daniels - University of North Carolina Wilmington
L. Darroch - McGill University
S. J. Daugherty - Indiana University
J. Davis - Menlo School
S. Delaquis - Menlo School
A. Der Mesrobian-Kabakian - Laurentian University
R. DeVoe - Stanford University
J. Dilling - TRIUMF
A. Dolgolenko - Kurchatov Institute
M. J. Dolinski - Drexel University
J. Echevers - University of Illinois Urbana-Champaign
W. Fairbank - Colorado State University
D. Fairbank - Colorado State University
J. Farine - Laurentian University
S. Feyzbakhsh - University of Massachusetts Amherst
P. Fierlinger - Tech Univ Munich, Phys Dept, D-80805 Garching, Germany
D. Fudenberg - Stanford University
P. Gautam - Drexel University
R. Gornea - Carleton University
G. Gratta - Stanford University
C. Hall - Univ Maryland, Phys Dept, College Pk, MD 20742 USA
E. Hansen - Drexel University
J. Hoessl - Friedrich-Alexander-Universität Erlangen-Nürnberg
P. Hufschmidt - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Hughes - University of Alabama
A. Iverson - Colorado State University
A. Jamil - Yale University
C. Jessiman - Carleton University
M. J. Jewell - Stanford University
A. Johnson - Menlo School
A. Karelin - Kurchatov Institute
L. J. Kaufman - Menlo School
T. Koffas - Carleton University
J. Kostensalo - University of Jyväskylä
R. Krucken - TRIUMF
A. Kuchenkov - Kurchatov Institute
K. S. Kumar - University of Massachusetts Amherst
Y. Lan - TRIUMF
A. Larson - University of South Dakota
B. G. Lenardo - Stanford University
D. S. Leonard - Ibs
G. S. Li - Stanford University
S. Li - University of Illinois Urbana-Champaign
Z. Li - Yale University
C. Licciardi - Laurentian University
Y. H. Lin - Drexel University
R. MacLellan - University of South Dakota
T. McElroy - McGill University
T. Michel - Friedrich-Alexander-Universität Erlangen-Nürnberg
B. Mong - Menlo School
D. C. Moore - Yale University
K. Murray - McGill University
P. Nakarmi - University of Alabama
O. Njoya - Stony Brook University
O. Nusair - University of Alabama
A. Odian - Menlo School
Ostrovskiy - University of Alabama
A. Piepke - University of Alabama
A. Pocar - University of Massachusetts Amherst
F. Retiere - TRIUMF
A. L. Robinson - Laurentian University
P. C. Rowson - Menlo School
D. Ruddell - University of North Carolina Wilmington
J. Runge - Duke University
S. Schmidt - Friedrich-Alexander-Universität Erlangen-Nürnberg
D. Sinclair - Carleton University
K. Skarpaas - Menlo School
A. K. Soma - Drexel University
Stekhanov - Kurchatov Institute
J. Suhonen - University of Jyväskylä
M. Tarka - University of Massachusetts Amherst
S. Thibado - University of Massachusetts Amherst
J. Todd - Colorado State University
T. Tolba - Inst High Energy Phys, Beijing 100049, Peoples R China
T. Totev - McGill University
R. Tsang - University of Alabama
B. Veenstra - Carleton University
V. Veeraraghavan - University of Alabama
P. Vogel - California Institute of Technology
J-L Vuilleumier - University of Bern
M. Wagenpfeil - Friedrich-Alexander-Universität Erlangen-Nürnberg
J. Watkins - Carleton University
M. Weber - Stanford University
L. J. Wen - Inst High Energy Phys, Beijing 100049, Peoples R China
U. Wichoski - Laurentian University
G. Wrede - Friedrich-Alexander-Universität Erlangen-Nürnberg
S. X. Wu - Stanford University
Q. Xia - Yale University
D. R. Yahne - Colorado State University
L. Yang - Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA
Y-R Yen - Drexel University
O. Ya Zeldovich - Kurchatov Institute
T. Ziegler - Friedrich-Alexander-Universität Erlangen-Nürnberg
EXO-200 Collaboration
I. Badhrees - King Abdulaziz City for Science & Technology
Publication Details: Physical review letters, Vol.124(23)
Publisher: Amer Physical Soc
Number of pages: 7
Grant note: IBS in Korea NSERC in Canada; Natural Sciences and Engineering Research Council of Canada (NSERC) CAS in China 318043 / Academy of Finland; Research Council of Finland ISTCP in China DFG in Germany; German Research Foundation (DFG) NSF in the United States; National Science Foundation (NSF) 18-02-00550 / RFBR in Russia; Russian Foundation for Basic Research (RFBR) Jenny and Antti Wihuri Foundation DOE in the United States; United States Department of Energy (DOE)
Identifiers: 9918995908331
Academic Unit: King Abdulaziz City for Science & Technology
Language: English
Resource Type: Journal article