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DTSTART;TZID=UTC:20210107T160000
DTEND;TZID=UTC:20210107T170000
DTSTAMP:20260422T052738
CREATED:20210104T165916Z
LAST-MODIFIED:20210104T165916Z
UID:1565-1610035200-1610038800@rpm.physics.lbl.gov
SUMMARY:Dylan Temples (Northwestern University)  New Directions in Liquid Noble Dark Matter Searches: Probing the Sub-GeV Regime
DESCRIPTION:Abstract: \n\nThe most sensitive searches for dark matter (DM) with mass above ~10 GeV/c2 use the dual-phase xenon time-projection chamber (LXe-TPC) technology. In the U.S.\, development of this technology is spearheaded by the LUX-ZEPLIN experiment\, with first science data coming soon. As these detectors increase in scale and sensitivity\, previously negligible backgrounds become important to understand\, both to prevent false discovery claims and to accurately measure the ultimate DM sensitivity of such an experiment. In this talk\, I will discuss one class of such backgrounds: neutrinos scattering from the inner-shell electrons of a xenon atom. This process has heretofore gone uncalibrated\, and due to its distinct event topology\, is more akin to a nuclear recoil (potential DM signal) than an electron recoil (background). I will also discuss two liquid-noble technologies for searching for dark matter below ~5 GeV/c2: light-element doping\, and superfluid helium detectors. Doping an LXe-TPC with low concentrations of light elements\, such as hydrogen\, enables sensitivity to dark matter models with mass down to 20 MeV/c2 while simultaneously probing spin-dependent DM-nucleon coupling. Superfluid helium detectors offer a complementary DM search avenue\, as it is more sensitive to low-mass spin-independent DM than hydrogen-doping\, but cannot investigate spin-dependent coupling.\n\n\nhttp://physics.lbl.gov/rpm/index.php/events/\nIf you are looking to confirm if there is an event\, due to room reservation\, please go to RPM website for a list of all scheduled talks. \n──────────\nTroy Cortez is inviting you to a scheduled Zoom meeting. \nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/98616683565 \nMeeting ID: 986 1668 3565\nOne tap mobile\n+16699006833\,\,98616683565# US (San Jose)\n+13462487799\,\,98616683565# US (Houston) \nDial by your location\n+1 669 900 6833 US (San Jose)\n+1 346 248 7799 US (Houston)\n+1 253 215 8782 US (Tacoma)\n+1 301 715 8592 US (Washington D.C)\n+1 312 626 6799 US (Chicago)\n+1 646 558 8656 US (New York)\nMeeting ID: 986 1668 3565\nFind your local number: https://lbnl.zoom.us/u/aeitM56qYB \nJoin by SIP\n98616683565@zoomcrc.com \nJoin by H.323\n162.255.37.11 (US West)\n162.255.36.11 (US East)\n115.114.131.7 (India Mumbai)\n115.114.115.7 (India Hyderabad)\n213.19.144.110 (Amsterdam Netherlands)\n213.244.140.110 (Germany)\n103.122.166.55 (Australia)\n64.211.144.160 (Brazil)\n69.174.57.160 (Canada)\n207.226.132.110 (Japan)\nMeeting ID: 986 1668 3565 \n──────────
URL:https://rpm.physics.lbl.gov/event/dylan-temples-northwestern-university-new-directions-in-liquid-noble-dark-matter-searches-probing-the-sub-gev-regime/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
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