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We present a detailed analysis of the effect of an observationally determined dark matter (DM) velocity distribution function (VDF) of the Milky Way (MW) on DM direct detection rates. We go beyond local kinematic tracers and use rotation…

高能物理 - 唯象学 · 物理学 2019-07-17 Sayan Mandal , Subhabrata Majumdar , Vikram Rentala , Ritoban Basu Thakur

Direct detection dark matter experiments, lead by the CDMS collaboration, have placed increasingly stronger constraints on the cross sections for elastic scattering of WIMPs on nucleons. These results impact the prospects for the indirect…

高能物理 - 唯象学 · 物理学 2016-09-06 Francis Halzen , Dan Hooper

Recently there is a renewed interest in exploring the Dark sector of the universe in a more constrained way. Particularly in [1], the FIMP ( Feebly Interacting Massive Particle) scenario was shown to be realized with a minimal extension of…

高能物理 - 唯象学 · 物理学 2023-05-12 Utkarsh Patel , Lekhika Malhotra , Sudhanwa Patra , Urjit A. Yajnik

The WIMPs are considered one of the favorable dark matter (DM) candidates, but as the upper bounds on the interactions between DM and standard model (SM) particles obtained by the upgraded facilities of DM direct detections get lower and…

高能物理 - 唯象学 · 物理学 2017-02-01 Lian-Bao Jia , Xue-Qian Li

The interacting dark matter (IDM) scenario allows for the acceleration of the Universe without Dark Energy. We constrain the IDM model by using the newly revised observational data including $H(z)$ data and Union2 SNe Ia via the Markov…

宇宙学与河外天体物理 · 物理学 2015-03-17 Shuo Cao , Zong-Hong Zhu , Nan Liang

All attempts to directly detect particle dark matter (DM) scattering on nuclei suffer from the partial or total loss of sensitivity for DM masses in the GeV range or below. We derive novel constraints from the inevitable existence of a…

高能物理 - 唯象学 · 物理学 2019-05-08 Torsten Bringmann , Maxim Pospelov

The nature of dark matter (DM) and its interaction with the Standard Model (SM) is one of the biggest open questions in physics nowadays. The vast majority of theoretically-motivated Ultralight-DM (ULDM) models predict that ULDM couples…

原子物理 · 物理学 2024-07-12 Eric Madge , Gilad Perez , Ziv Meir

Dark matter (DM) direct detections are investigated for models with the following properties: isospin-violating couplings, exothermic scatterings, and/or a light mediator, with the aim to reduce the tension between the CDMS-Si positive…

高能物理 - 唯象学 · 物理学 2017-10-06 Chao-Qiang Geng , Da Huang , Chun-Hao Lee

The recent WMAP data have confirmed that exotic dark matter together with the vacuum energy (cosmological constant) dominate in the flat Universe. Thus the direct dark matter search, consisting of detecting the recoiling nucleus, is central…

高能物理 - 唯象学 · 物理学 2016-09-06 J. D. Vergados , Amand Faessler

We provide a Mathematica package, DirectDM, that takes as input the Wilson coefficients of the relativistic effective theory describing the interactions of dark matter with quarks, gluons and photons, and matches it onto an effective theory…

高能物理 - 唯象学 · 物理学 2017-08-10 Fady Bishara , Joachim Brod , Benjamin Grinstein , Jure Zupan

We propose a novel direct detection concept to search for dark matter with 100~keV to 100~MeV masses. Such dark matter can scatter off molecules in a gas and transfer an $\mathcal{O}(1)$ fraction of its kinetic energy to excite a…

高能物理 - 唯象学 · 物理学 2019-11-20 Rouven Essig , Jesús Pérez-Ríos , Harikrishnan Ramani , Oren Slone

We determine the prospects for direct and indirect detection of thermal relic neutralinos in supersymmetric theories with multi-TeV squarks and sleptons. We consider the concrete example of the focus point region of minimal supergravity,…

高能物理 - 唯象学 · 物理学 2014-10-01 Patrick Draper , Jonathan Feng , Philipp Kant , Stefano Profumo , David Sanford

As experimental searches for WIMP dark matter continue to yield null results, models beyond the WIMP paradigm have proliferated in order to elude ever improving observational constraints, among them that of sub-GeV dark matter mediated by a…

高能物理 - 唯象学 · 物理学 2022-04-27 George N. Wojcik , Thomas G. Rizzo

Recent results from several direct detection experiments have imposed severe constraints on the multi-GeV mass window for various dark matter (DM) models. However, many of these experiments are not sensitive to MeV scale DM as the…

高能物理 - 唯象学 · 物理学 2019-08-14 Debajyoti Choudhury , Divya Sachdeva

We perform a model-independent classification of Weakly Interacting Massive Particle (WIMP) dark matter candidates that have the property that their scattering off nucleons is dominated by spin-dependent interactions. We study…

高能物理 - 唯象学 · 物理学 2010-07-01 Prateek Agrawal , Zackaria Chacko , Can Kilic , Rashmish K. Mishra

Recently the CRESST collaboration has published the long anticipated results of their direct Dark Matter (DM) detection experiment with a CaWO_4 target. The number of observed events exceeds known backgrounds at more than 4 sigma…

高能物理 - 唯象学 · 物理学 2015-05-30 Joachim Kopp , Thomas Schwetz , Jure Zupan

We investigate benchmark scenarios for Weakly Interacting Massive Particles (WIMPs) that naturally evade current direct detection constraints by featuring suppressed spin-independent cross-sections. Focusing on three representative models,…

高能物理 - 唯象学 · 物理学 2025-06-25 Giorgio Arcadi , Stefano Profumo

Guided by the non-relativistic effective field theory of interactions between Weakly Interacting Massive Particles (WIMPs) of spin 1/2 and nuclei we study direct detection exclusion plots for an example of non-standard spin-dependent…

高能物理 - 唯象学 · 物理学 2018-10-26 Sunghyun Kang , Stefano Scopel , Gaurav Tomar , Jong-Hyun Yoon

We calculate direct detection constraints on inelastic dark matter (DM) for a scalar portal scenario with leptophilic couplings. The p-wave velocity suppression of the annihilation cross section of scalar-mediated inelastic Dirac DM implies…

高能物理 - 唯象学 · 物理学 2026-04-17 I. V. Voronchikhin , D. V. Kirpichnikov

Motivated by the current strong constraints on the spin-independent dark matter (DM)-nucleus scattering, we investigate the spin-dependent (SD) interactions of the light Majorana DM with the nucleus mediated by an axial-vector boson. Due to…

高能物理 - 唯象学 · 物理学 2022-08-17 Wenyu Wang , Ke-Yun Wu , Lei Wu , Bin Zhu