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Infrared spectroscopy has been developed significantly. In particular, infrared photons can be measured with high spectral and angular resolution in state-of-art spectrographs. They are sensitive to monochromatic photons due to the decay…

High Energy Physics - Phenomenology · Physics 2025-02-06 Taiki Bessho , Yuji Ikeda , Wen Yin

Dark matter particles with a mass around 1 eV can decay into near-infrared photons. Utilising available public blank sky observations from the NIRSpec IFU on the James Webb Space Telescope (JWST), we search for a narrow emission line due to…

High Energy Physics - Phenomenology · Physics 2023-10-25 Ryan Janish , Elena Pinetti

The indirect detection of dark matter annihilation and decay using observations of photons, charged cosmic rays, and neutrinos offers a promising means of identifying the particle nature of this elusive component of the universe. The last…

High Energy Astrophysical Phenomena · Physics 2016-11-23 Jennifer M. Gaskins

Dwarf spheroidal galaxies are dark matter dominated systems, and as such, ideal for indirect dark matter searches. If dark matter decays into high-energy photons in the dwarf galaxies, they will be a good target for current and future…

Indirect searches for dark matter are based on detecting an anomalous flux of photons, neutrinos or cosmic-rays produced in annihilations or decays of dark matter candidates gravitationally accumulated in heavy cosmological objects, like…

High Energy Astrophysical Phenomena · Physics 2020-10-09 Carlos Pérez de los Heros

Several nearby ultra-faint satellites of the Milky Way discovered by the Dark Energy Survey (DES) during the last few years are promising targets for indirect dark matter (DM) searches with very-high-energy (VHE, E$\gtrsim$100 GeV) gamma…

High Energy Astrophysical Phenomena · Physics 2019-09-05 Lucia Rinchiuso , Emmanuel Moulin , Céline Armand , Vincent Poireau , H. E. S. S. Collaboration

We present the results of the search for decaying dark matter with particle mass in the 6-40 keV range with NuSTAR deep observations of COSMOS and ECDFS empty sky fields. We show that main contribution to the decaying dark matter signal…

High Energy Astrophysical Phenomena · Physics 2016-12-07 Andrii Neronov , Denys Malyshev , Dominique Eckert

We present first results from a dark photon dark matter search in the mass range from 44 to 52 $\mu{\rm eV}$ ($10.7 - 12.5\,{\rm GHz}$) using a room-temperature dish antenna setup called GigaBREAD. Dark photon dark matter converts to…

The 79-string IceCube search for dark matter in the Sun public data is used to test Secluded Dark Matter models. No significant excess over background is observed and constraints on the parameters of the models are derived. Moreover, the…

High Energy Astrophysical Phenomena · Physics 2018-05-07 M. Ardid , I. Felis , A. Herrero , J. A. Martínez-Mora

Dark matter is thought to make up most of the matter density of the Universe, yet its true nature remains uncertain. Among dark matter theories, Weakly Interacting Massive Particles (WIMPs) are a prominent candidate for dark matter because…

High Energy Astrophysical Phenomena · Physics 2023-09-20 Micael Andrade , Aion Viana

Uncovering the nature of dark matter is one of the most important goals of particle physics. Light bosonic particles, such as the dark photon, are well-motivated candidates: they are generally long-lived, weakly-interacting, and naturally…

Light cold dark matter consisting of weakly interacting slim (or sub-eV) particles (WISPs) has been in the focus of a large number of studies made over the past two decades. The QCD axion and axion-like particles with masses in the…

High Energy Physics - Experiment · Physics 2014-10-24 Dieter Horns , Axel Lindner , Andrei Lobanov , Andreas Ringwald

Neutrino telescopes have a wide scientic scope. One of their main goals is the detection of dark matter, for which they have specic advantages. Neutrino telescopes offer the possibility of looking at several kinds of sources, not all of…

High Energy Astrophysical Phenomena · Physics 2017-10-11 J. D. Zornoza , C. Toennis

The nature of Dark Matter (DM) is one of the most debated questions of contemporary physics. Ground-based arrays of Cherenkov telescopes such as the High Energy Spectroscopic System (H.E.S.S.) search for DM signatures through the detection…

High Energy Astrophysical Phenomena · Physics 2019-06-12 Lucia Rinchiuso , H. E. S. S. Collaboration

Dark matter experiments primarily search for the scattering of WIMPs on target nuclei of well shielded underground detectors. The results from liquid scintillator experiments furthermore provide precise probes of very light and very weakly…

High Energy Physics - Phenomenology · Physics 2015-10-19 Haipeng An , Kaixuan Ni , Maxim Pospelov , Josef Pradler , Adam Ritz

We report the results of a search for an emission line from radiatively decaying dark matter in the Chandra X-ray Observatory spectrum of the ultra-faint dwarf spheroidal galaxy Willman 1. 99% confidence line flux upper limits over the…

High Energy Astrophysical Phenomena · Physics 2014-11-20 Michael Loewenstein , Alexander Kusenko

Weak lensing provides a direct measure of the distribution of mass in the universe, and is therefore a uniquely powerful probe of dark matter. Weak lensing can also be used to measure the twin phenomenon of dark energy, via its effect upon…

Astrophysics · Physics 2007-05-23 Richard Massey , Alexandre Refregier , Jason Rhodes

It has been proposed that an additional U(1) sector of hidden photons could account for the Dark Matter observed in the Universe. When passing through an interface of materials with different dielectric properties, hidden photons can give…

The dark photon, an new hypothetical light spin 1 field, constitutes a well-motivated dark matter candidate. It manifests as an oscillating electric field with a fixed direction, which can be observed in magnetometric records. In this…

Cosmology and Nongalactic Astrophysics · Physics 2015-07-27 G. Pignol , B. Clement , M. Guigue , D. Rebreyend , B. Voirin
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