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Title: Cosmogenic-neutron activation of TeO 2 and implications for neutrinoless double- β decay experiments

Journal Article · · Physical Review C, Nuclear Physics
 [1];  [2];  [3];  [4];  [5];  [6]
  1. Univ. of California, Berkeley, CA (United States). Dept. of Nuclear Engineering
  2. Univ. of California, Berkeley, CA (United States). Dept. of Nuclear Engineering; Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  5. Univ. of California, Berkeley, CA (United States). Dept. of Nuclear Engineering; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  6. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Flux-averaged cross sections for cosmogenic-neutron activation of natural tellurium were measured using a neutron beam containing neutrons of kinetic energies up to ~800 MeV, and having an energy spectrum similar to that of cosmic-ray neutrons at sea-level. Analysis of the radioisotopes produced reveals that 110mAg will be a dominant contributor to the cosmogenic-activation background in experiments searching for neutrinoless double-beta decay of 130Te, such as CUORE and SNO+. Here, an estimate of the cosmogenic-activation background in the CUORE experiment has been obtained using the results of this measurement and cross-section measurements of proton activation of tellurium. Additionally, the measured cross sections in this work are also compared with results from semi-empirical cross-section calculations.

Research Organization:
University of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Contributing Organization:
Nuclear Science and Security Consortium
Grant/Contract Number:
NA0000979; AC52-07NA27344
OSTI ID:
1454510
Alternate ID(s):
OSTI ID: 1213273
Journal Information:
Physical Review C, Nuclear Physics, Vol. 92, Issue 2; ISSN 0556-2813
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

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Cited By (6)

Measurement of the two-neutrino double-beta decay half-life of $$^{130}$$ 130 Te with the CUORE-0 experiment journal January 2017
The projected background for the CUORE experiment journal August 2017
CUORE sensitivity to $$0\nu \beta \beta $$ 0 ν β β decay journal August 2017
Cosmogenic activation of materials conference January 2005
Cosmogenic activation of materials
  • Cebrián, S.
  • LOW RADIOACTIVITY TECHNIQUES 2013 (LRT 2013): Proceedings of the IV International Workshop in Low Radioactivity Techniques, AIP Conference Proceedings https://doi.org/10.1063/1.4818094
conference January 2013
Low background techniques in bolometers for double-beta decay search text January 2017

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