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RICHARD SALDANHA IDENTIFICATION OF ... - KICP Workshops

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Underground Argon Measurement<br />

Low background LAr<br />

detector was operated<br />

underground at KURF with<br />

both atmospheric and<br />

underground argon<br />

arXiv:1204.60111 [physics.ins-det]<br />

Underground<br />

Argon<br />

Atmospheric<br />

Argon<br />

39 Ar Depletion<br />

Factor<br />

Total Rate<br />

[mBq/100 keV]<br />

1.87 +/- 0.06<br />

108.8 +/- 0.4<br />

Estimated<br />

Background argon data at KURF. Rate<br />

[mBq/100 keV]<br />

1.5 +/- 0.2<br />

* +** ,** -** .** /***<br />

!"#$%&'(#)<br />

Background<br />

Subtracted Rate<br />

[mBq/100 keV]<br />

1.71 +/- 0.05 % < 0.65 % (95 CL)<br />

012#'345'(#)6<br />

7+<br />

/*<br />

/*<br />

7, /*<br />

78<br />

/*<br />

/*<br />

79<br />

7-<br />

!"#$%&:;

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