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A fraction of the dark matter may consist of a particle species that interacts much more strongly with the Standard Model than a typical weakly interacting massive particle (WIMP) of similar mass. Such a strongly interacting dark matter…

高能物理 - 唯象学 · 物理学 2022-08-12 David McKeen , Marianne Moore , David E. Morrissey , Maxim Pospelov , Harikrishnan Ramani

We report the final results of the Phase II SIMPLE measurements, comprising two run stages of 15 superheated droplet detectors each, the second stage including an improved neutron shielding. The analyses includes a refined signal analysis,…

Random coincidence of 2{\nu}2{\beta} decay events could be one of the main sources of background for 0{\nu}2{\beta} decay in cryogenic bolometers due to their poor time resolution. Pulse-shape discrimination by using front edge analysis,…

仪器与探测器 · 物理学 2015-06-18 D. M. Chernyak , F. A. Danevich , A. Giuliani , M. Mancuso , C. Nones , E. Olivieri , M. Tenconi , V. I. Tretyak

Models for light dark matter particles with masses below 1 GeV/c$^2$ are a natural and well-motivated alternative to so-far unobserved weakly interacting massive particles. Gram-scale cryogenic calorimeters provide the required detector…

The alpha decay of $\n{{}^{210}Po}$ is a dangerous background to rare event searches. Here, we describe observations related to this alpha decay in the Cryogenic Rare Event Search with Superconducting Thermometers (CRESST). We find that…

In the field of Double Beta Decay (DBD) searches, the use of high resolution detectors in which background can be actively discriminated is very appealing. Scintillating bolometers containing a Double Beta Decay emitter can largely fulfill…

核实验 · 物理学 2009-11-06 Luca Gironi

We present nanoscale explosives as a novel type of dark matter detector and study the ignition properties. When a Weakly Interacting Massive Particle WIMP from the Galactic Halo elastically scatters off of a nucleus in the detector, the…

天体物理仪器与方法 · 物理学 2014-04-15 Alejandro Lopez , Andrzej Drukier , Katherine Freese , Cagliyan Kurdak , Gregory Tarle

As part of the T-REX project, a number of R&D and prototyping activities have been carried out during the last years to explore the applicability of Micromegas-read gaseous TPCs in rare event searches like double beta decay (DBD), axion…

Multi-component dark matter particles may have a more intricate direct detection signal than simple elastic scattering on nuclei. In a broad class of well-motivated models the inelastic excitation of dark matter particles is followed by…

高能物理 - 唯象学 · 物理学 2014-03-19 Maxim Pospelov , Neal Weiner , Itay Yavin

Gas-filled Time Projection Chambers (TPCs) with Gas Electron Multipliers (GEMs) and pixels appear suitable for direction-sensitive WIMP dark matter searches. We present the background and motivation for our work on this technology, past and…

天体物理仪器与方法 · 物理学 2015-05-30 S. E. Vahsen , H. Feng , M. Garcia-Sciveres , I. Jaegle , J. Kadyk , Y. Nguyen , M. Rosen , S. Ross , T. Thorpe , J. Yamaoka

There is a worldwide effort toward the development of a large TPC (Time Projection Chamber) devoted to directional Dark Matter detection. All current projects are being designed to fulfill a unique goal : identifying weakly interacting…

宇宙学与河外天体物理 · 物理学 2012-04-12 J. Billard , F. Mayet , D. Santos

CUPID-Mo is a cryogenic detector array designed to search for neutrinoless double-beta decay ($0\nu\beta\beta$) of $^{100}$Mo. It uses 20 scintillating $^{100}$Mo-enriched Li$_2$MoO$_4$ bolometers instrumented with Ge light detectors to…

Compelling experimental evidences of neutrino oscillations and their implication that neutrinos are massive particles have given neutrinoless double beta decay a central role in astroparticle physics. In fact, the discovery of this elusive…

WIMP-nucleon cross sections in the range 10^{-46} - 10^{-44} cm^2 may be probed by a ton-scale experiment with low energy thresholds and excellent discrimination of backgrounds. Because CDMS ZIP detectors are the most proven means of…

天体物理学 · 物理学 2012-08-27 SuperCDMS Collaboration

The inelastic dark matter scenario was proposed to reconcile the DAMA annual modulation with null results from other experiments. In this scenario, WIMPs scatter into an excited state, split from the ground state by an energy delta…

高能物理 - 唯象学 · 物理学 2011-02-01 Spencer Chang , Rafael F. Lang , Neal Weiner

The next generation of bolometric experiments searching for rave events, in particular for the neutrino-less double beta decay, needs fast, high-sensitivity and easy-to-scale cryogenic light detectors. The CALDER project (2014-2020)…

While much supersymmetric weakly interacting massive particle (WIMP) parameter space has been ruled out, one remaining important candidate is Higgsino dark matter. The Higgsino can naturally realize the "inelastic dark matter" scenario,…

高能物理 - 唯象学 · 物理学 2025-04-01 Peter W. Graham , Harikrishnan Ramani , Samuel S. Y. Wong