http://arxiv.org/abs/2208.05193
In this article, as an extension of our study on the angular distribution of the recoil flux of WIMP-scattered target nuclei, we demonstrate a possibility of determining the mass of incident halo WIMPs by using or combining “ridge-crater” structures of the angular recoil-energy spectra with different target nuclei observed in directional direct Dark Matter detection experiments. Our simulation results show that, for a WIMP mass of only a few tens GeV, the stereoscopic angular recoil-flux distributions of both of light and heavy target nuclei would have a (longitudinally) “ridge-like” structure. However, once the WIMP mass is as heavy as a few hundreds GeV, the angular recoil-flux distributions of heavy target nuclei would in contrast show a (latitudinally) “crater-like” structure.
C. Shan
Thu, 11 Aug 22
32/68
Comments: 6 pages, 2 figures; for readers’ reference, simulation results for several frequently used target nuclei are demonstrated in animation on and downloadable from our online (interactive) webpage (this http URL). arXiv admin note: substantial text overlap with arXiv:2203.05805