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We extend and correct a recently proposed maximum-likelihood halo-independent method to analyze unbinned direct dark matter detection data. Instead of the recoil energy as independent variable we use the minimum speed a dark matter particle…

High Energy Physics - Phenomenology · Physics 2015-12-02 Graciela B. Gelmini , Andreea Georgescu , Paolo Gondolo , Ji-Haeng Huh

We study the formation of Dark Matter nuclei in scenarios where DM particles are baryons of a new confining gauge force. The dark nucleosynthesis is analogous to the formation of light elements in the SM and requires as a first step the…

High Energy Physics - Phenomenology · Physics 2019-04-25 Michele Redi , Andrea Tesi

Direct searches for dark matter (DM) by the LUX and PandaX-II Collaborations employing xenon-based detectors have recently come up with the most stringent limits to date on the spin-independent elastic scattering of DM off nucleons. For…

High Energy Physics - Phenomenology · Physics 2016-12-20 Xiao-Gang He , Jusak Tandean

We calculate dark matter scattering rates in the minimal supersymmetric extension of the Standard Model (MSSM), allowing the soft supersymmetry-breaking masses of the Higgs multiplets, m_{1,2}, to be non-universal (NUHM). Compared with the…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Ellis , A. Ferstl , K. A. Olive , Y. Santoso

Next-generation dark matter direct detection experiments will explore several orders of magnitude in the dark matter--nucleus scattering cross section below current upper limits. In case a signal is discovered the immediate task will be to…

High Energy Physics - Phenomenology · Physics 2019-10-14 Juan Herrero-Garcia , Yannick Müller , Thomas Schwetz

Results of WIMP dark matter search from the first data of the PandaX-II experiment are presented. PandaX-II experiment uses a 500 kg scale dual phase liquid xenon time projection chamber, operating at the China JinPing Underground…

High Energy Physics - Experiment · Physics 2019-08-16 Yong Yang

Astrophysical observations strongly suggest that non-luminous, nonbaryonic components, so called "Dark Matter", may constitute most of the matter in the Universe. The Cryogenic Dark Matter Search (CDMS) experiment is designed to detect Dark…

High Energy Physics - Experiment · Physics 2019-08-13 Jonghee Yoo

A search for new light bosons decaying into muon pairs is presented using a data sample corresponding to an integrated luminosity of 35.9 fb$^{-1}$ of proton-proton collisions at a center-of-mass energy $\sqrt{s} =$ 13 TeV, collected with…

High Energy Physics - Experiment · Physics 2019-07-24 CMS Collaboration

There exist well motivated models of particle dark matter which predominantly scatter inelastically off nuclei in direct detection experiments. This inelastic transition causes the DM to up-scatter in terrestrial experiments into an excited…

High Energy Physics - Phenomenology · Physics 2017-01-24 Joseph Bramante , Patrick J. Fox , Graham D. Kribs , Adam Martin

We study the effect of a long-range DM-nuclei interaction occurring via the exchange of a light mediator. We consider the main direct detection experiments: DAMA, CoGeNT, CRESST, CDMS and XENON100. We find that a long-range force is a…

High Energy Physics - Phenomenology · Physics 2012-06-12 Paolo Panci

We use 7 years of electron and positron Fermi-LAT data to search for a possible excess in the direction of the Sun in the energy range from 42 GeV to 2 TeV. In the absence of a positive signal we derive flux upper limits which we use to…

High Energy Astrophysical Phenomena · Physics 2020-01-15 A. Cuoco , P. De La Torre Luque , F. Gargano , M. Gustafsson , F. Loparco , M. N. Mazziotta , D. Serini

Dark Matter (DM) particles with sufficiently large cross sections may scatter as they travel through Earth's bulk. The corresponding changes in the DM flux give rise to a characteristic daily modulation signal in detectors sensitive to…

We propose the nucleon consumption induced by dark matter (DM) as a new scenario to overcome the energy threshold of direct detection. It can be realized with proton ($\chi + p \rightarrow \chi + \ell^+$) or neutron ($\chi + n \rightarrow…

High Energy Physics - Phenomenology · Physics 2024-12-20 Shao-Feng Ge , Xiao-Dong Ma

We report the result of a blinded search for Weakly Interacting Massive Particles (WIMPs) using the majority of the SuperCDMS Soudan dataset. With an exposure of 1690 kg days, a single candidate event is observed, consistent with expected…

MeV particles have been advocated as Dark Matter (DM) candidates in different contexts. This hypothesis can be tested indirectly by searching for the Standard Model (SM) products of DM self-annihilations. As the signal from DM…

Astrophysics · Physics 2008-11-26 Sergio Palomares-Ruiz , Silvia Pascoli

Dark matter interactions with massless or very light Standard Model particles, as photons or neutrinos, may lead to a suppression of the matter power spectrum at small scales and of the number of low mass haloes. Bounds on the dark matter…

Cosmology and Nongalactic Astrophysics · Physics 2019-01-30 Laura Lopez-Honorez , Olga Mena , Pablo Villanueva-Domingo

In the paper expressions are obtained for the event rates expected in experiments aimed at direct detection of dark matter (DM) particles. These expressions allow one to estimate the rates taking into account simultaneously elastic…

High Energy Physics - Phenomenology · Physics 2023-05-04 Vadim A. Bednyakov

Neutrinos with energy of order 10~MeV, such as from pion decay-at-rest sources, are an invaluable tool for studying low-energy neutrino interactions with nuclei -- previously enabling the first measurement of coherent elastic…

High Energy Physics - Phenomenology · Physics 2022-12-23 Bhaskar Dutta , Wei-Chih Huang , Jayden L. Newstead , Vishvas Pandey

Presented here are results of simulations of neutron background performed for a time projection chamber acting as a particle dark matter detector in an underground laboratory. The investigated background includes neutrons from rock and…

Assuming a dark matter fraction $\Omega_{DM} = 0.27$ and a reduced Hubble constant $h = 0.73$, we obtain a value of 70 GeV/c$^2$ for the mass of the dark matter WIMP we have previously proposed. We also obtain a value for the annihilation…