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As dark matter (DM) direct detection experiments continue to improve their sensitivity they will inevitably encounter an irreducible background arising from coherent neutrino scattering. This so-called "neutrino floor" may significantly…

高能物理 - 唯象学 · 物理学 2019-03-01 Graciela B. Gelmini , Volodymyr Takhistov , Samuel J. Witte

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…

In addition to a smooth component of WIMP dark matter in galaxies, there may be streams of material; the effects of WIMP streams on direct detection experiments is examined in this paper. The contribution to the count rate due to the stream…

天体物理学 · 物理学 2008-11-26 Chris Savage , Katherine Freese , Paolo Gondolo

We show that the momentum dependence of dark matter interactions with nuclei can be probed in direct detection experiments without knowledge of the dark matter velocity distribution. This is one of the few properties of DM microphysics that…

高能物理 - 唯象学 · 物理学 2014-10-14 John F. Cherry , Mads T. Frandsen , Ian M. Shoemaker

Conventional dark matter direct detection experiments set stringent constraints on dark matter by looking for elastic scattering events between dark matter particles and nuclei in underground detectors. However these constraints weaken…

高能物理 - 唯象学 · 物理学 2017-11-21 Timon Emken , Chris Kouvaris

Weakly Interacting Massive Particle (WIMP) direct detection event rate calculations usually rely on fairly simple, essentially static, analytic halo models. This is largely since the resolution of numerical simulations is not yet large…

天体物理学 · 物理学 2009-12-31 Anne M Green

Models involving an interaction between the Dark Matter and the Dark Energy sectors have been proposed to alleviate the long standing Hubble constant tension. In this paper we analyze whether the constraints and potential hints obtained for…

宇宙学与河外天体物理 · 物理学 2020-11-11 Eleonora Di Valentino , Olga Mena

Previous work has argued that, in the framework of plasma dark matter models, the DAMA annual modulation signal can be consistently explained with electron recoils. In the specific case of mirror dark matter, that explanation requires an…

高能物理 - 唯象学 · 物理学 2018-12-19 R. Foot

This work uses a combination of a variational auto-encoder and generative adversarial network to compare different dark energy models in light of observations, e.g., the distance modulus from type Ia supernovae. The network finds an…

宇宙学与河外天体物理 · 物理学 2019-10-15 Shi-Yu Li , Yun-Long Li , Tong-Jie Zhang

The signals in dark matter direct-detection experiments should exhibit modulation signatures due to the Earth's motion with respect to the Galactic dark matter halo. The annual and daily modulations, due to the Earth's revolution about the…

宇宙学与河外天体物理 · 物理学 2016-06-21 Vivian Britto , Joel Meyers

The detection of the theoretically expected dark matter is central to particle physics and cosmology. Current fashionable supersymmetric models provide a natural dark matter candidate which is the lightest supersymmetric particle (LSP).…

高能物理 - 唯象学 · 物理学 2014-11-17 J. D. Vergados

The detection of Dark Matter (DM) remains a significant challenge in particle physics. This study exploits advanced machine learning models to improve detection capabilities of liquid xenon time projection chamber experiments, utilizing…

天体物理仪器与方法 · 物理学 2025-01-17 Daniel E. Lopez-Fogliani , Andres D. Perez , Roberto Ruiz de Austri

We investigate standard and non-standard solar neutrino signals in direct dark matter detection experiments. It is well known that even without new physics, scattering of solar neutrinos on nuclei or electrons is an irreducible background…

高能物理 - 唯象学 · 物理学 2015-08-04 Roni Harnik , Joachim Kopp , Pedro A. N. Machado

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…

The velocity distribution function of dark matter particles is expected to show significant departures from a Maxwell-Boltzmann distribution. This can have profound effects on the predicted dark matter - nucleon scattering rates in direct…

星系天体物理 · 物理学 2014-11-20 M. Kuhlen , N. Weiner , J. Diemand , P. Madau , B. Moore , D. Potter , J. Stadel , M. Zemp

The detection of the theoretically expected dark matter is central to particle physics cosmology. Current fashionable supersymmetric models provide a natural dark matter candidate which is the lightest supersymmetric particle (LSP). Such…

天体物理学 · 物理学 2014-10-13 J. D. Vergados

The next generation of dark matter direct detection experiments will be sensitive to both coherent neutrino-nucleus and neutrino-electron scattering. This will enable them to explore aspects of solar physics, perform the lowest energy…

高能物理 - 唯象学 · 物理学 2016-07-13 David G. Cerdeno , Malcolm Fairbairn , Thomas Jubb , Pedro A. N. Machado , Aaron C. Vincent , Celine Boehm

We propose a novel strategy to search for new physics in timing spectra, envisioning the situation in which a new particle comes from the decay of its heavier partner with a finite particle width. The timing distribution of events induced…

高能物理 - 唯象学 · 物理学 2020-04-01 Bhaskar Dutta , Doojin Kim , Shu Liao , Jong-Chul Park , Seodong Shin , Louis E. Strigari

Dark matter direct detection experiments are going to touch the neutrino floor with a good chance to measure coherent elastic neutrino-nucleus scattering (CE$\nu$NS) and a probe of neutrino-related new physics ($\nu$NP). In this study, we…

高能物理 - 唯象学 · 物理学 2024-11-26 Jian Tang , Bing-Long Zhang

Paleodetection has been proposed as a competitive method for detecting dark matter and other new physics interactions, complementing conventional direct detection experiments. In this work, we utilise TRIM simulations to improve the…

高能物理 - 唯象学 · 物理学 2025-04-15 Audrey Fung , Thalles Lucas , Levente Balogh , Matthew Leybourne , Aaron C. Vincent