IDM 2018 Sunday, 22 July 2018 - Friday, 27 July 2018 MacMillian Book of Abstracts ii Contents Probing Velocity Dependent Self Intereacting Dark Matter with Neutrino Telescopes. 1 Doping LXe TPCs with helium for light dark matter ..................... 1 Long-lived particles at the LHC: catching them in time ................... 1 Recent PandaX-II Results on Dark Matter Search and PandaX-4T Upgrade Status . 2 XENONnT - The next step in XENON Dark Matter Search ................. 2 Projected WIMP sensitivity of the LUX-ZEPLIN dark matter experiment . 2 The Impact of antiproton and antimatter nuclei measurements on dark matter searches . 3 Dark matter annual modulation with SABRE ......................... 3 Cosmological signatures of decaying dark matter ...................... 4 Looking for ultra light axion-like particles in the CMB ................... 4 (Now combined) Dark matter search with a light mediator at PandaX-II experiment . 4 SnowBall Chamber: Supercooled Water for Low-Mass Dark Matter ............ 5 The future PICO programme .................................. 5 DARWIN – The Ultimate WIMP Detector ........................... 6 Astrophysical Signatures of Dark Matter Accumulation in Neutron Stars . 6 Multiwavelength analysis of annihilating dark matter as the origin of the gamma-ray emis- sion from M31 ........................................ 7 Exposing Dark Sector with Future Z-Factories ........................ 7 Sexaquark and other uds-quark Dark Matter ......................... 7 First Results from the ADMX-G2 Axion Search ........................ 8 Recent results from the COSINE-100 experiment ....................... 8 Direct search for light dark matter with the CRESST-III experiment ............ 9 COSINUS: Probing the DAMA/LIBRA claim with NaI-based cryogenic detectors . 9 Review on directional direct dark matter search with gaseous detectors .......... 9 iii NEWAGE ............................................ 10 Directional Search for Dark Matter Using Nuclear Emulsion . 10 MADMAX: A new way to search for QCD Axion Dark Matter with a Dielectric Haloscope 11 Modelling of electromagnetic backgrounds in the CRESST experiment . 11 One year of XENON1T ..................................... 11 Directional Dark Matter search with optical readouts and the CYGNO project . 12 (Poster) Results from the CRESST-III experiment ....................... 12 Status of the LZ dark matter search .............................. 13 GAPS: Cosmic-ray antinuclei for dark matter searches ................... 13 Electron Recoil Bubble Nucleation in PICO Bubble Chambers . 13 First results of high voltage breakdown studies with XeBrA . 14 (Withdrawn) Concentrated Dark Matter and Primordial Black Holes . 14 Atomic Aspects of Light Dark Matter Searches ........................ 15 The Cosmic Axion Spin Precession Experiment ....................... 15 The Status of Interpretations of the Galactic Center Excess . 15 A Particle Physicist’s Perspective on the EDGES Anomaly . 16 Updated Dark Matter Search Results from the PICO-60 Bubble Chamber . 16 DANAE – A new attempt to search for Dark Matter with DEPFET-RNDR detectors . 16 (Duplicate) Astrophysical Signatures of Dark Matter Accumulation in Neutron Stars . 17 21-cm Implications for Dark Matter: Results ......................... 17 Complete CMB Constraints for Millicharged Dark Matter . 18 A combined energy scale for WIMP searches in liquid argon with the DarkSide-50 detector ................................................ 18 Aspects of Dark Matter Axion Clumps ............................ 19 The Stochastic Axion Scenario ................................. 19 Simulations for the LUX-ZEPLIN Experiment ........................ 19 Searching for Dark Matter at the Cosmic Dawn ....................... 20 The COHERENT collaboration and its first observation ofCEνNS . 20 Capture and decay of electroweak WIMPonium ....................... 21 NEWS-G Light dark matter searches with a Spherical Proportional Counter . 21 iv Dwarf galaxies J-factors without priors: a frequentist Jeans analysis consistent with indi- rect Dark Matter searches ................................. 21 Future prospects for axion haloscopes: Multiple cavities and really strong magnets . 22 (Withdrawn) Underground Laboratory of Modane (LSM) ; Multi- disciplinarily and Rare events experiments cozy host ............................... 22 Direct dark matter search with CDEX at CJPL ........................ 23 Material Informatics for Dark Matter Detection ....................... 23 The Spin-independent analysis of one tonne-year of XENON1T data . 24 Testing DAMA/LIBRA result with ANAIS-112 experiment at the Canfranc Underground Laboratory .......................................... 24 Status of the TREX-DM experiment at the Canfranc Underground Laboratory . 24 Detector Stability of COSINE-100 ............................... 25 First Evidence for Radon Daughter Solubility in Liquid Xenon . 25 Two Distinct Components of the Delayed Single Electron Noise in Liquid Xenon Emission Detectors ........................................... 26 Rare-event searches using the Majorana Demonstrator ................... 26 Background Assessment of the COSINE-100 Experiment . 27 Sub-GeV Dark Matter Results from a Single Electron-Hole-Pair SuperCDMS Detector . 27 Phase 2 Upgrades for the HAYSTAC Axion Experiment ................... 28 The PTOLEMY-G experiment for light dark matter direct detection . 28 Dark decay of the neutron ................................... 28 Background analysis in a one tonne-year dark matter search of XENON1T . 29 Recent Analysis Efforts of the LUX Collaboration ...................... 29 Dark Photon Searches with SuperCDMS Technology .................... 29 Understanding eV-threshold calorimeters for SuperCDMS . 30 Low-mass WIMP searches with EDELWEISS ......................... 30 SuperCDMS Detector Performance and Early Science from CUTE . 30 Early- and Late-Time Scattering of Dark Matter and Baryons in Cosmology . 31 Status of the DEAP-3600 dark matter search ......................... 31 Production and high voltage testing of the LZ detector grids . 32 Results on sub-GeV dark matter direct detection with LUX Run 3 data by using Bremsstrahlung and Migdal-effect signal .................................. 32 v Effects of Dark Matter Distribution Uncertainties on Milky Way Satellite Galaxy DarkMat- ter Searches ......................................... 32 Potassium and Dark Matter: the KDK Experiment ...................... 33 Point Sources at the Galactic Center .............................. 33 Neutron production in radioactive processes relevant to underground experiments . 33 ER/NR Discrimination in Liquid Xenon with the LUX Experiment . 34 HeRALD: direct detection with superfluid 4He ........................ 34 Measurement of Background Gamma Flux in the Davis Cavern for the LZ Experiment . 34 (Withdrawn) Select Effective Field Theory Results from the 2014-2016 LUX WIMP search run .............................................. 35 21-cm Implications for Dark Matter: Introduction ...................... 35 The Noble Element Simulation Technique (NEST) Version 2.0 . 36 A category of extremely-fast events (EFEs) in pPCGe detectors used in CDEX . 36 Search for low mass dark matter at DUNE .......................... 36 Development of Cryogenic Thermal Detectors for Sub-GeV Dark Matter . 37 GeV-Scale Thermal WIMPs: Not Even Slightly Dead ..................... 37 Dark Matter Model or Mass: Benchmark-Free Forecasting for Future Detectors . 38 Status and Projected Sensitivity for SuperCDMS SNOLAB . 38 A Search for Axion Dark Matter with the HAYSTAC Experiment . 39 Measurements of electron extraction efficiency and low-energy electron recoil response in a two-phase xenon time projection chamber ....................... 39 Generalised dark matter and diminishing the low CMB multipole tension . 39 Early dark energy and the Hubble tension .......................... 40 Status and plans for the DAMIC experiment at SNOLAB and Modane . 40 Searching for Decaying Particles with Line Intensity Mapping . 41 Dark Matter Axion Condensates: Stability and Astrophysical Properties . 41 Cosmological adiabatic conversion between QCD axion and ALP . 42 Dark matter and WIMPy baryogenesis in Scotogenic Model . 42 Paleo Detectors of Dark Matter ................................ 43 Welcome to IDM and Brown University ............................ 43 Complementarity for Dark Sector Bound States ....................... 43 vi Non-relativistic effective field theory of scalar field and longevity of condensates . 44 Duration of classicality of the axion dark matter condensate . 44 Estimating the local dark matter content using Gaia DR2 . 44 Lines, Boxes, and Energy Duality: Deciphering Astrophysical and Cosmological Imprints of Extended Dark Sectors .................................. 45 Reaching Beyond the Standard Scenarios: From Strongly Coupled Dark Sectors and Ther- mal Freezeout to Cosmological Phase Transitions and the Lifetime Frontier . 45 Nigel Smith (Executive Director, SNOLAB): Development of Deep Underground Facilities 46 CYGNUS - a multi-latitude directional WIMP experiment . 46 Low background Counting Facilities at SNOLAB: Current and Future . 46 Searches for Dark Matter Mediators at CMS ......................... 47 Astrophysical vs. dark matter interpretations of gamma-ray observations in dwarf galaxies ................................................ 47 Dark Matter-Baryon Scattering in Global 21cm Signal .................... 48 Reception Drinks + Registration