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Title: Neutron Spallation Measurements And Impacts On Low Background Experiments

Ultra-low background experiments, such as neutrinoless double beta decay, carried out deep underground to escape cosmic ray backgrounds can nonetheless be limited in sensitivity by cosmogenically induced signals. This limit can either be produced directly during operation from cosmic muon events in the detector volume, or can be produced by radioactive decay of cosmogenically generated radionuclides created while the detector materials were above ground. An accurate knowledge of the production of the latter source of background is of paramount importance in order to be able to interpret the results of low-background experiments.
Authors:
; ;
Publication Date:
OSTI Identifier:
1214076
Report Number(s):
PNNL-SA-101429
KB0401022
DOE Contract Number:
AC05-76RL01830
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. C, Nuclear Physics, 90(3):Article No. 034607
Research Org:
Pacific Northwest National Laboratory (PNNL), Richland, WA (US)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
neutron detection; ship effect; low background experiments; neutrinoless double beta decay