Title:
Next Generation Low-Mass Dark Matter Search
Next Generation Low-Mass Dark Matter Search
Speaker:
張硯詠 (Yen-Yung Chang), PhD candidate, Caltech
張硯詠 (Yen-Yung Chang), PhD candidate, Caltech
Time:
02/23 (Sat.) 7 pm PST, 8 pm MST, 9 pm CST, 10 pm EST
02/24 (Sun.) 11 am Taiwan
02/23 (Sat.) 7 pm PST, 8 pm MST, 9 pm CST, 10 pm EST
02/24 (Sun.) 11 am Taiwan
Keywords:
Physics, High energy physics, Dark matter, Cryogenic detector, Kinetic Inductance Detector
Physics, High energy physics, Dark matter, Cryogenic detector, Kinetic Inductance Detector
Abstract:
In recent years, development in dark matter (DM) phenomenology below weak scale has been booming. I will begin by discussing the rich phenomenology and rising interest in low-mass (< 10 GeV) DM candidates. I will then introduce SuperCDMS SNOLAB, one of the leading next generation experiment for DM direct detection. It will search for DM mass in 0.5-10 GeV range with a projected sensitivity down to 10-43 cm2 nucleon scattering cross section. It utilizes cryogenic Ge/Si crystal with superconducting Transition Edge Sensor (TES) for phonon-mediated recoil detection, and it will begin data taking in 2020. The second half of the talk will be focused on the ongoing R&D and proposed concepts beyond SuperCDMS SNOLAB. I will introduce Kinetic Inductance Detector (KID) as a promising alternative to TES for future larger scale, high resolution, sub-GeV DM searches. Finally, I will briefly discuss recent proposals and challenges, and conclude with future prospects toward the complete search for low-mass thermal relic DM.
In recent years, development in dark matter (DM) phenomenology below weak scale has been booming. I will begin by discussing the rich phenomenology and rising interest in low-mass (< 10 GeV) DM candidates. I will then introduce SuperCDMS SNOLAB, one of the leading next generation experiment for DM direct detection. It will search for DM mass in 0.5-10 GeV range with a projected sensitivity down to 10-43 cm2 nucleon scattering cross section. It utilizes cryogenic Ge/Si crystal with superconducting Transition Edge Sensor (TES) for phonon-mediated recoil detection, and it will begin data taking in 2020. The second half of the talk will be focused on the ongoing R&D and proposed concepts beyond SuperCDMS SNOLAB. I will introduce Kinetic Inductance Detector (KID) as a promising alternative to TES for future larger scale, high resolution, sub-GeV DM searches. Finally, I will briefly discuss recent proposals and challenges, and conclude with future prospects toward the complete search for low-mass thermal relic DM.
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