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We discuss nuclear spin comagnetometers based on ultra-low-field nuclear magnetic resonance in mixtures of miscible solvents, each rich in a different nuclear spin. In one version thereof, Larmor precession of protons and ${\rm ^{19}F}$…

Results are presented from a search for particle dark matter (DM), extra dimensions, and unparticles using events containing a jet and an imbalance in transverse momentum. The data were collected by the CMS detector in proton-proton…

高能物理 - 实验 · 物理学 2015-08-03 CMS Collaboration

We explore the sensitivity of the SNO experiment to light dark matter particles $\chi$ with spin-dependent interactions with nucleons. We show that the pair-production of MeV scale dark matter is possible in heavy water (CANDU) reactors via…

高能物理 - 唯象学 · 物理学 2026-04-10 Alexander Clarke , Maxim Pospelov

If dark matter (DM) particles are lighter than a few MeV/$c^2$ and can scatter off electrons, their interaction within the solar interior results in a considerable hardening of the spectrum of galactic dark matter received on Earth. For a…

高能物理 - 唯象学 · 物理学 2018-11-19 Haipeng An , Maxim Pospelov , Josef Pradler , Adam Ritz

Dark photon is a massive vector particle which couples to the physical photon through the kinetic mixing term. Such particles, if exist, are produced in photon beams and, in particular, in laser radiation. Due to the oscillations between…

高能物理 - 唯象学 · 物理学 2019-06-19 V. V. Flambaum , I. B. Samsonov , H. B. Tran Tan

Numerous astrophysical and cosmological observations are best explained by the existence of dark matter, a mass density which interacts only very weakly with visible, baryonic matter. Searching for the extremely weak signals produced by…

We investigate self-conjugate Dark Matter (DM) particles that primarily interact with standard model electroweak gauge bosons within an effective field theoretical framework. Our analysis focuses on effective contact interactions, invariant…

高能物理 - 唯象学 · 物理学 2024-06-21 Ekata Singh , Hrishabh Bharadwaj , Devisharan

We use Super-K data to place new strong limits on interactions of sub-GeV Dark Matter (DM) with nuclei, that rely on the DM flux inevitably induced by cosmic-ray upscatterings. We derive analogous sensitivities at Hyper-K and DUNE and…

高能物理 - 唯象学 · 物理学 2021-03-24 Yohei Ema , Filippo Sala , Ryosuke Sato

Sensitive dark matter (DM) experiments can be well exploited beyond their designated targets, allowing to explore a breadth of physics topics. As we discuss, future large direct DM detection experiments constitute impressive telescopes,…

高能物理 - 唯象学 · 物理学 2022-03-02 Volodymyr Takhistov

Celestial objects such as stars and planets might be able to capture a large amount of dark matter particles through dark matter-nucleon scattering. Many previous studies have considered different celestial objects such as the Sun and the…

高能物理 - 唯象学 · 物理学 2022-03-30 Man Ho Chan , Chak Man Lee

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

Direct detection of dark matter (DM) requires an interaction of dark matter particles with nucleons. The same interaction can lead to dark matter pair production at a hadron collider, and with the addition of initial state radiation this…

高能物理 - 唯象学 · 物理学 2011-01-05 Yang Bai , Patrick J. Fox , Roni Harnik

We present a novel way of probing non-gravitational dark matter interactions: dark astronomy, which leverages the dark radiation emitted by dissipative dark sectors. If the mediator of the dark matter self interactions is a dark photon with…

宇宙学与河外天体物理 · 物理学 2024-12-11 Gonzalo Alonso-Álvarez , David Curtin

We investigate the contribution of higher spin particles in the signal of direct detection experiments searching for dark matter. We consider a bosonic or fermionic higher spin dark matter (HSDM) candidate which interacts with the Standard…

高能物理 - 唯象学 · 物理学 2023-06-14 Leah Jenks , Konstantinos Koutrolikos , Evan McDonough , Stephon Alexander , S. James Gates

Dark matter candidates arising in models of particle physics incorporating weak scale supersymmetry may produce detectable signals through their annihilation into neutrinos, photons, or positrons. A large number of relevant experiments are…

天体物理学 · 物理学 2009-10-09 Jonathan L. Feng , Konstantin T. Matchev , Frank Wilczek

We generalize the formalism for DM capture in celestial bodies to account for arbitrary mediator mass, and update the existing and projected astrophysical constraints on DM-nucleon scattering cross section from observations of neutron…

高能物理 - 唯象学 · 物理学 2020-10-14 Basudeb Dasgupta , Aritra Gupta , Anupam Ray

Paleo-detectors are a proposed experimental technique for direct detection (DD) of dark matter (DM) via the read-out of DM-induced nuclear recoil tracks in natural minerals. The large detector mass required for the sensitivity of…

宇宙学与河外天体物理 · 物理学 2026-03-17 Dionysios P. Theodosopoulos , Katherine Freese , Chris Kelso , Patrick Stengel

Existence of dark matter indicates the presence of unknown fundamental laws of nature. Ultralight axion-like particles are well-motivated dark matter candidates, emerging naturally from theories of physics at ultrahigh energies. We report…

高能物理 - 实验 · 物理学 2021-01-11 Alexander V. Gramolin , Deniz Aybas , Dorian Johnson , Janos Adam , Alexander O. Sushkov

This thesis explores experimental and theoretical approaches to dark matter detection, from gas-based detectors to quantum sensors, tackling the challenge of identifying dark matter, which makes up 27% of the Universe's energy. It reviews…

天体物理仪器与方法 · 物理学 2025-12-05 David Díez-Ibáñez

A novel idea of the direct detection to search for a ultralight dark matter based on the interaction between the dark matter and a nucleon is proposed. Solar system bodies feel the dark matter wind and it acts as a resistant force opposing…

高能物理 - 唯象学 · 物理学 2018-12-19 Hajime Fukuda , Shigeki Matsumoto , Tsutomu T. Yanagida