Scintillation yield and time dependence from electronic and nuclear recoils in liquid neon

Abstract

We have performed measurements of scintillation light in liquid neon, observing a signal yield in our detector as high as (3.5 $\pm$ 0.4) photoelectrons/keV. We measure pulse shape discrimination efficiency between electronic and nuclear recoils in liquid neon from 50 and 300 keV nuclear recoil energy. We also measure the \leff\, parameter in liquid neon between 30 and 370 keV nuclear recoil energy, observing an average \leff$=0.24$ above 50 keV. We observe a dependence of the scintillation time distribution and signal yield on the pressure and temperature of the liquid neon.

18 pages, 23 figures, v2 updated to reflect published version

References in corpus (7)

• First results from a Dark Matter search with liquid Argon at 87 K in the Gran Sasso Underground Laboratory
• New Measurement of the Scintillation Efficiency of Low-Energy Nuclear Recoils in Liquid Xenon
• A Model of Nuclear Recoil Scintillation Efficiency in Noble Liquids
• Nuclear recoil energy scale in liquid xenon with application to the direct detection of dark matter
• Measurement of the response of heat-and-ionization germanium detectors to nuclear recoils
• Scintillation of liquid neon from electronic and nuclear recoils
• Demonstration of photomultiplier tube operation at 29 K

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• ALETHEIA: Hunting for Low-mass Dark Matter with Liquid Helium TPCs
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• Optimised neutron yield calculations from ($\alpha ,n$) reactions with the modified SOURCES4 code
• On the speed of sound and heat capacity of liquid neon in the subcritical region
• Sub-Penning gas mixtures: new possibilities for ton- to kiloton-scale time projection chambers