Neutron Beam Tests of Barium Fluoride Crystal for Dark Matter Direct Detection
Cong Guo, Xinhua Ma, Zhimin Wang, Jie Bao, Changjiang Dai, Mengyun, Guan, Jinchang Liu, Zuhao Li, Jie Ren, Xichao Ruan, Changgen Yang, Zeyuan Yu,, Weili Zhong
TL;DR
This study evaluates Barium Fluoride (BaF2) crystal's potential for dark matter detection by analyzing nuclear recoils, quenching factors, and event discrimination capabilities using mono-energetic neutron beams.
Contribution
It provides new experimental data on nuclear recoil spectra, quenching factors, and discrimination ability of BaF2 for dark matter detection.
Findings
Nuclear recoil energy spectra characterized
Quenching factors for elastic neutron scattering measured
Discrimination between neutron inelastic events and gamma events demonstrated
Abstract
In order to test the capabilities of Barium Fluoride (BaF2) Crystal for dark matter direct detection, nuclear recoils are studied with mono-energetic neutron beam. The energy spectra of nuclear recoils, quenching factors for elastic scattering neutrons and discrimination capability between neutron inelastic scattering events and {\gamma} events are obtained for various recoil energies of the F content in BaF2.
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