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Related papers: Phonon Pulse Shape Discrimination in SuperCDMS Sou…

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A single-photon CMOS image sensor design based on pinned photodiode (PPD) with multiple charge transfers and sampling is described. In the proposed pixel architecture, the photogenerated signal is sampled non-destructively multiple times…

Instrumentation and Detectors · Physics 2020-04-07 Konstantin D. Stefanov , Martin Prest , Mark Downing , Elizabeth George , Naidu Bezawada , Andrew D. Holland

Weakly Interacting Massive Particles (WIMPs) are a leading candidate for dark matter and are expected to produce nuclear recoil (NR) events within liquid xenon time-projection chambers. We present a measurement of the scintillation timing…

Direct detection experiments for light dark matter are making enormous leaps in reaching previously unexplored model space. Several recent proposals rely on collective excitations, where the experimental sensitivity is highly dependent on…

High Energy Physics - Phenomenology · Physics 2021-10-22 Sinead M. Griffin , Katherine Inzani , Tanner Trickle , Zhengkang Zhang , Kathryn M. Zurek

We develop a framework for computing light dark matter direct detection rates through single phonon and magnon excitations via general effective operators. Our work generalizes previous calculations focused on spin-independent interactions…

High Energy Physics - Phenomenology · Physics 2025-04-18 Tanner Trickle , Zhengkang Zhang , Kathryn M. Zurek

In direct dark matter (DM) detection via scattering off the electrons, the momentum transfer plays a crucial role. Previous work showed that for self-interacting DM, if the DM particle has a size (the so-called puffy DM), the radius effect…

High Energy Physics - Phenomenology · Physics 2023-09-14 Wenyu Wang , Wu-Long Xu , Jin Min Yang

High-purity germanium detectors are widely used in rare-event searches due to their excellent energy resolution and extremely high intrinsic (radio)purity. In experiments searching for neutrinoless double beta decay in $^{76}$Ge such as…

Instrumentation and Detectors · Physics 2026-05-14 Alex Biondi , Krzysztof Szczepaniec , Tomasz Mróz , Marcin Misiaszek , Grzegorz Zuzel

We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and September 2008 using eight germanium detectors are reanalyzed…

Pulse shape discrimination (PSD) is one of the most distinctive features of liquid scintillators. Since the introduction of the scintillation techniques in the field of particle detection, many studies have been carried out to characterize…

Instrumentation and Detectors · Physics 2008-11-26 H. O. Back et al.

We propose a theoretical approach based on (constrained) density functional theory and the Franck-Condon approximation for the calculation of the temperature dependent photoluminescence of nanostructures. The method is computationally…

Mesoscale and Nanoscale Physics · Physics 2023-11-20 Peng Han , Gabriel Bester

We propose a new concept for a very low background multi-ton liquid xenon Dark Matter experiment. The detector consists of two concentric spheres and a charge readout device in the centre. Xenon between the two spheres forms a self-shield…

We report a study of CsI(Tl) scintillator to assess its applicability in experiments to search for dark matter particles. Measurements of the mean scintillation pulse shapes due to nuclear and electron recoils have been performed. We find…

A fundamental prediction of the cold dark matter (CDM) model of structure formation is the existence of a vast population of dark matter haloes extending to subsolar masses. By contrast, other dark matter models, such as a warm thermal…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-10 Qiuhan He , Andrew Robertson , James Nightingale , Shaun Cole , Carlos S. Frenk , Richard Massey , Aristeidis Amvrosiadis , Ran Li , Xiaoyue Cao , Amy Etherington

The LUX dark matter search experiment is a 350 kg dual-phase xenon time projection chamber located at the 4850 ft level of the Sanford Underground Research Facility in Lead, SD. The success of two-phase xenon detectors for dark matter…

Instrumentation and Detectors · Physics 2016-03-23 M. Moongweluwan , for LUX collaboration

Despite their fundamental role in determining material properties, detailed momentum-dependent information on the strength of electron-phonon and phonon-phonon coupling (EPC and PPC, respectively) across the entire Brillouin zone (BZ) has…

New charge and current-sensitive preamplifiers coupled to silicon detectors and devoted to studies in nuclear structure and dynamics have been developed and tested. For the first time shapes of current pulses from light charged particles…

In recent years, palladium has proven to be a crucial component for devices ranging from nanotube field effect transistors to advanced hydrogen storage devices. In this work, I examine the phonon dispersion of fcc Pd using first principle…

Materials Science · Physics 2008-05-07 Derek A. Stewart

A side-to-side comparison is established between the nuclear recoil energy spectrum from CDMS germanium bolometers and its low-energy equivalent for events in the inner bulk volume of a CoGeNT germanium diode. Acknowledging the…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-18 J. I. Collar

The p-type point-contact germanium (pPCGe) detectors have been widely adopted in searches for low energy physics events such as neutrinos and dark matter. This is due to their enhanced capabilities of background rejection, sensitivity at…

Instrumentation and Detectors · Physics 2025-03-30 Jia-Shian Wang , Manoj Kumar Singh , Hau-Bin Li , Henry Tsz-King Wong

Microcalorimeters that leverage microwave kinetic inductance detectors to read out phonon signals in the particle-absorbing target, referred to as kinetic inductance phonon-mediated (KIPM) detectors, offer an attractive detector…

Directional detection can provide unambiguous observation of Dark Matter interactions even in presence of insidious backgrounds. The DM-TPC collaboration is developing a detector with the goal of measuring the direction and sense of nuclear…