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Neutrinoless double beta decay with82SeF6 and direct ion imaging

Journal Article · · Journal of Instrumentation
 [1];  [2];  [3];  [4];  [2];  [2]
  1. Univ. of Texas, Arlington, TX (United States); University of Texas at Arlington
  2. Univ. of Texas, Arlington, TX (United States)
  3. Univ. of Texas, Arlington, TX (United States); Instituto de Física Corpuscular (IFIC), Valencia (Spain); Consejo Superior de Investigaciones Cientificas (CSIC), Madrid (Spain); Universitat de València, (Spain)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Here, we present a new neutrinoless double beta decay concept: the high pressure selenium hexafluoride gas time projection chamber. A promising new detection technique is outlined which combines techniques pioneered in high pressure xenon gas, such as topological discrimination, with the high Q-value afforded by the double beta decay isotope 82Se. The lack of free electrons in SeF6 mandates the use of an ion TPC. The microphysics of ion production and drift, which have many nuances, are explored. Background estimates are presented, suggesting that such a detector may achieve background indices of better than 1 count per ton per year in the region of interest at the 100 kg scale, and still better at the ton-scale.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of Texas, Arlington, TX (United States)
Sponsoring Organization:
Consejo Nacional de Ciencia y Tecnología (CONACYT); European Union (EU); Generalitat Valenciana; Ministry of Economy and Competitiveness (MINECO); USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
AC02-05CH11231; SC0017721
OSTI ID:
1908630
Alternate ID(s):
OSTI ID: 22885064
Journal Information:
Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 03 Vol. 13; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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