Design and characterization of AmLi neutron sources for the LZ experiment

A. B. M. R. Sazzad; J. Busenitz; A. Piepke; S. Poudel; H. Trewin; A. LeViness

doi:10.1088/1748-0221/18/05/P05006

Design and characterization of AmLi neutron sources for the LZ experiment

Instrumentation and Detectors 2023-05-09 v2 High Energy Physics - Experiment

Authors: A. B. M. R. Sazzad , J. Busenitz , A. Piepke , S. Poudel , H. Trewin , A. LeViness

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Abstract

In this paper we describe the development, testing, and characterization of three low-emission rate AmLi neutron sources. The sources are used to calibrate the nuclear recoil response of the LUX-ZEPLIN (LZ) dark matter experiment. The sources' neutron emission rate was measured using $^{3}$ He proportional tubes. The sources' gamma emissions were characterized using a high-purity germanium (HPGe) detector. Source-validated GEANT4 Monte Carlo simulations allowed to calibrate the Ge and neutron detector responses.

Keywords

amli neutron sources lz experiment neutron emission rate gamma characterization geant4 simulation dark matter calibration

Cite

@article{arxiv.2302.01444,
  title  = {Design and characterization of AmLi neutron sources for the LZ experiment},
  author = {A. B. M. R. Sazzad and J. Busenitz and A. Piepke and S. Poudel and H. Trewin and A. LeViness},
  journal= {arXiv preprint arXiv:2302.01444},
  year   = {2023}
}

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20 pages, 13 figures, 4 tables, revised manuscripts after accommodating the reviewer's comments

Design and characterization of AmLi neutron sources for the LZ experiment

Abstract

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