We report on the measurement of the specific activity of 39Ar in natural argon. The measurement was performed with a 2.3-l two-phase (liquid and gas) argon drift chamber. The detector was developed by the WARP Collaboration as a prototype detector for WIMP Dark Matter searches with argon as a target. The detector was operated for more than two years at Laboratori Nazionali del Gran Sasso, Italy, at a depth of 3400m w.e. The specific activity measured for 39Ar is 1:01 +/- 0:02(stat) +/- 0:08(syst) Bq per kg of natAr.
Measurement of the specific activity of Ar-39 in natural Argon
CAVANNA, FLAVIO
2007-01-01
Abstract
We report on the measurement of the specific activity of 39Ar in natural argon. The measurement was performed with a 2.3-l two-phase (liquid and gas) argon drift chamber. The detector was developed by the WARP Collaboration as a prototype detector for WIMP Dark Matter searches with argon as a target. The detector was operated for more than two years at Laboratori Nazionali del Gran Sasso, Italy, at a depth of 3400m w.e. The specific activity measured for 39Ar is 1:01 +/- 0:02(stat) +/- 0:08(syst) Bq per kg of natAr.File in questo prodotto:
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