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Related papers: Light dark matter searches with positrons

200 papers

Current dark matter detection strategies are based on the assumption that the dark matter is a gas of non-interacting particles with a reasonably large number density. This picture is dramatically altered if there are significant self…

High Energy Physics - Phenomenology · Physics 2018-12-19 Dorota M Grabowska , Tom Melia , Surjeet Rajendran

The explorations of alternative dark matter (DM) candidates beyond WIMP motivated primordial black holes (PBHs) or sub-GeV DM particle in the Milky Way. Neutrinos from PBH evaporation at the present times play as a novel medium boosting…

High Energy Physics - Phenomenology · Physics 2021-08-13 Wei Chao , Tong Li , Jiajun Liao

We propose to search for a boosted dark matter (DM) particle from astrophysical sources using an emulsion detector in deep underground facilities. We further propose using high-$Z$ material such as the lead for a larger DM-nucleus coherent…

High Energy Physics - Phenomenology · Physics 2020-07-28 Xin Chen , Litao Yang

This Letter proposes a new search for confining dark sectors at the Large Hadron Collider. As a result of the strong dynamics in the hidden sector, dark matter could manifest in proton-proton collisions at the Large Hadron Collider in form…

High Energy Physics - Phenomenology · Physics 2022-09-07 Cesare Cazzaniga , Annapaola de Cosa

We explore the possibility that bound states involving dark matter particles could be detected by resonance searches at the LHC, and the generic implications of such scenarios for indirect and direct detection. We demonstrate that resonance…

High Energy Physics - Phenomenology · Physics 2018-08-29 Gilly Elor , Hongwan Liu , Tracy R. Slatyer , Yotam Soreq

Light Dark Matter (DM), defined here as having a mass between 1 MeV and about 1 GeV, is an interesting possibility both theoretically and phenomenologically, at one of the frontiers of current progress in the field of DM searches. Its…

High Energy Physics - Phenomenology · Physics 2022-07-06 Marco Cirelli , Nicolao Fornengo , Bradley J. Kavanagh , Elena Pinetti

We propose a new strategy to directly detect light particle dark matter that has long-ranged interactions with ordinary matter. The approach involves distorting the local flow of dark matter with time-varying fields and measuring these…

High Energy Physics - Phenomenology · Physics 2020-01-08 Asher Berlin , Raffaele Tito D'Agnolo , Sebastian A. R. Ellis , Philip Schuster , Natalia Toro

High-intensity neutrino beam facilities may produce a beam of light dark matter when protons strike the target. Searches for such a dark matter beam using its scattering in a nearby detector must overcome the large neutrino background. We…

High Energy Physics - Phenomenology · Physics 2016-05-04 Pilar Coloma , Bogdan A. Dobrescu , Claudia Frugiuele , Roni Harnik

Existing xenon dark matter (DM) direct detection experiments can probe the DM-nucleon interaction of DM with a sub-GeV mass through a search for photon emission from the recoiling xenon atom. We show that LUX's constraints on sub-GeV DM,…

High Energy Physics - Phenomenology · Physics 2017-08-23 Christopher McCabe

We provide an algorithm for detection of possible dark matter particle interactions recorded within NEWSdm detector. The NEWSdm (Nuclear Emulsions for WIMP Search directional measure) is an underground Direct detection Dark Matter search…

Instrumentation and Methods for Astrophysics · Physics 2020-08-26 Artem Golovatiuk , Giovanni De Lellis , Andrey Ustyuzhanin

There is currently vast evidence for Dark Matter (DM) from astronomical observations. However, in spite of tremendous efforts by large experimental groups, there is no confirmed direct detection of the dark matter in our galaxy. Recent…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Juan Estrada

Dark matter (DM) has been searched for at colliders in a largely model independent fashion by looking for an excess number of events involving a single jet, or photon, and missing energy. We investigate the possibility of looking for…

High Energy Physics - Phenomenology · Physics 2013-05-30 Patrick J. Fox , Roni Harnik , Reinard Primulando , Chiu-Tien Yu

Light dark matter in the context of dark sector theories is an attractive candidate for the dark matter thought to make up the bulk of the mass of our universe. We explore here the possibility of using a low-pressure, negative-ion, time…

Instrumentation and Methods for Astrophysics · Physics 2019-03-27 D. P. Snowden-Ifft , J. L. Harton , N. Ma , F. G. Schuckman

The sensitivity of direct detection of dark matter (DM) approaches the so-called neutrino floor below which it is hard to disentangle the DM candidate from the background neutrino. In this work we consider the scenario that no DM signals…

High Energy Physics - Phenomenology · Physics 2020-12-02 Qing-Hong Cao , An-Kang Wei , Qian-Fei Xiang

This review briefly describes light dark matter searches performed by the BABAR experiment. Although dark matter candidates have traditionally been associated with heavy particles appearing in extensions of the Standard Model, a lighter…

High Energy Physics - Experiment · Physics 2012-06-04 B. Echenard

The vector boson fusion (VBF) event topology at the Large Hadron Collider (LHC) allows efficient suppression of dijet backgrounds and is therefore a promising target for new physics searches. We consider dark matter models which interact…

High Energy Physics - Phenomenology · Physics 2016-06-29 James Brooke , Matthew R. Buckley , Patrick Dunne , Bjoern Penning , John Tamanas , Miha Zgubic

Based on observational constraints on large scale structure and halo structure, dark matter is generally taken to be cold and essentially collisionless. On the other hand, given the large number of particles and forces in the visible world,…

Cosmology and Nongalactic Astrophysics · Physics 2013-12-09 JiJi Fan , Andrey Katz , Lisa Randall , Matthew Reece

In this contribution I review the present status and discuss some prospects for indirect detection of dark matter with gamma-rays. Thanks to the Fermi Large Area Telescope, searches in gamma-rays have reached sensitivities that allow to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Jan Conrad

About one year ago, it was speculated that decaying or annihilating Light Dark Matter (LDM) particles could explain the flux and extension of the 511 keV line emission in the galactic centre. Here we present a thorough comparison between…

Astrophysics · Physics 2009-11-11 Y. Ascasibar , P. Jean , C. Boehm , J. Knoedlseder