Calibration of a Liquid Xenon Detector with Kr-83m

L. W. Kastens; S. B. Cahn; A. Manzur; D. N. McKinsey

doi:10.1103/PhysRevC.80.045809

Calibration of a Liquid Xenon Detector with Kr-83m

Instrumentation and Detectors 2009-12-11 v2 Instrumentation and Methods for Astrophysics High Energy Physics - Experiment

Authors: L. W. Kastens , S. B. Cahn , A. Manzur , D. N. McKinsey

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Abstract

We report the preparation of a Kr-83m source and its subsequent use in calibrating a liquid xenon detector. Kr-83m atoms were produced through the decay of Rb-83 atoms trapped in zeolite molecular sieve and were then introduced into liquid xenon. Decaying Kr-83m nuclei were detected through liquid xenon scintillation. Conversion electrons with energies of 9.4 keV and 32.1 keV from the decay of Kr-83m were both observed. This calibration source will allow the characterization of the scintillation and ionization response of noble liquid detectors at low energies, highly valuable for the search for WIMP dark matter. Kr-83m may also be useful for measuring fluid flow dynamics, both to understand purification in noble liquid-based particle detectors, as well as for studies of classical and quantum turbulence in superfluid helium.

Keywords

Kr-83m calibration source liquid xenon detector WIMP dark matter conversion electrons noble liquid detectors fluid flow dynamics

Cite

@article{arxiv.0905.1766,
  title  = {Calibration of a Liquid Xenon Detector with Kr-83m},
  author = {L. W. Kastens and S. B. Cahn and A. Manzur and D. N. McKinsey},
  journal= {arXiv preprint arXiv:0905.1766},
  year   = {2009}
}

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Calibration of a Liquid Xenon Detector with Kr-83m

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