2022
DOI: 10.1103/physrevd.105.082004
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Cosmogenic production of Ar37 in the context of the LUX-ZEPLIN experiment

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Cited by 6 publications
(4 citation statements)
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“…The 37 Ar and 127 Xe initial rates are consistent with expectation from above-ground cosmogenic activation (see Refs. [12,58]) and the subsequent rates are consistent with exponential decay at the expected half-lives (see Ref. [12]).…”
Section: Discussionsupporting
confidence: 71%
See 1 more Smart Citation
“…The 37 Ar and 127 Xe initial rates are consistent with expectation from above-ground cosmogenic activation (see Refs. [12,58]) and the subsequent rates are consistent with exponential decay at the expected half-lives (see Ref. [12]).…”
Section: Discussionsupporting
confidence: 71%
“…Given the significant rate of ER backgrounds in the ER signal region of {S1c, log 10 S2c}, the inclusion of time potentially allows for increased sensitivity. Specifically, the rates of the 37 Ar and 127 Xe components are modeled as exponentially falling with their 35.0 d and 36.3 d half-lives, respectively [56][57][58]. The 37 Ar and 127 Xe initial rates are consistent with expectation from above-ground cosmogenic activation (see Refs.…”
Section: Discussionmentioning
confidence: 86%
“…However, purification to very high levels has already been demonstrated in dark matter [63,96,136,137] and neutrinoless double-beta decay experiments [138]. Cosmogenically-produced 37 Ar decays away quickly [139], and purity levels achieved for 85 Kr are already sufficient for the next-generation detector discussed here. Further advantages of xenon are obtained through its high charge number Z, mass number A, and density; these allow for self-shielding of gamma-ray and neutron backgrounds, which will multiply-scatter, especially in the outer limits of the fiducial volume (FV).…”
Section: Xenon As a Detector Mediummentioning
confidence: 88%
“…Thus, the 137 Xe induced background strongly depends on the muon rate at the experimental site. Short-lived cosmogenic isotopes such as 37 Ar are of little concern for the anticipated experiment [139].…”
Section: Intrinsic Background Mitigationmentioning
confidence: 99%