Abstract
Recent neutron beam tests of a prototype detector to search for weakly interacting massive particles in the Galactic Halo are presented. The detector is an optically imaged time-projection chamber using various low-pressure gas mixtures. This technique potentially offers significant advantages for the detection of galactic dark matter in that it measures both the energy and direction of the nuclear recoil. In this paper we present measurements of ranges of neutron-induced nuclear recoils in different target gasses which are then used to determine the sensitivity of the device in a dark matter search. We also demonstrate the ability to accurately determine the direction of the recoil which can be used to discriminate signal from background using the expected diurnal modulation in the average recoil direction, which is unique to particle dark matter interactions.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
