Bulletin of the American Physical Society
APS April Meeting 2016
Volume 61, Number 6
Saturday–Tuesday, April 16–19, 2016; Salt Lake City, Utah
Session R2: Dark Matter Beyond WIMPsInvited
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Sponsoring Units: DPF DAP Chair: JoAnne Hewett, Stanford University Room: Ballroom A |
Monday, April 18, 2016 10:45AM - 11:21AM |
R2.00001: Beyond the WIMP paradigm: Asymmetric DM and Self interacting DM Invited Speaker: Kathryn Zurek The search for dark matter over the last three decades has been largely focused on WIMPs. As the sensitivity of experiments searching for the WIMP cuts deep into favored parameter space, theorists and experimentalists are increasingly focusing attention on other well-motivated candidates. We overview several classes of well-motivated theories for dark matter beyond the WIMP, and discuss how new experimental techniques are being devised to search for these candidates. [Preview Abstract] |
Monday, April 18, 2016 11:21AM - 11:57AM |
R2.00002: Searching for Dark-Matter Axions. Invited Speaker: Leslie Rosenberg The axion is a hypothetical elementary particle arising in the 1970's from an elegant solution to the Strong CP problem in Quantum Chromo Dynamics. Light QCD axions (masses \textless 10$^{\mathrm{-3}}$ eV/c$^{\mathrm{2}})$ would have extraordinarily feeble interactions with normal matter and radiation, and these axions have the properties of an ideal dark-matter candidate. Axions have been searched for since their inception. However, light axions constituting dark matter are so feebly coupled that it is only recently that detection technology has advanced to where such axions might be detected. Several large searches are in the construction and commissioning phase, with new projects in the development phase. There are also concepts for new detector technologies aimed at improving the sensitivity and axion mass-reach. These searches would have the potential to detect even the more pessimistically-coupled dark-matter axions should they contribute a fraction of the local Milky Way dark-matter halo. This talk discusses the dark-matter axion experimental landscape and the prospects for their discovery. [Preview Abstract] |
Monday, April 18, 2016 11:57AM - 12:33PM |
R2.00003: Dark Matter and the 3.5 keV signal Invited Speaker: Kevork Abazajian I will give an overview of the analyses leading to the recent detection of X-rays from clusters of galaxies and Andromeda consistent with monoenergetic photons from dark matter decay such as that predicted from sterile neutrino dark matter. I shall discuss these signals' potential verification in the very near future. Sterile neutrino dark matter interpretations have implications for outstanding problems in galaxy formation. The direct detection of sterile neutrino dark matter would require novel methods. [Preview Abstract] |
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