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Astrophysical emission lines arising from particle decays can offer unique insights into the nature of dark matter (DM). Using dedicated simulations with background and foreground modeling, we comprehensively demonstrate that the recently…

高能天体物理现象 · 物理学 2024-12-06 Yu Zhou , Volodymyr Takhistov , Kazuhisa Mitsuda

Secluded dark matter is one of the most popular dark matter models, where dark matter annihilations go into particles that belong to a dark sector. An interesting way to probe such models is via indirect detection. In particular, gamma-ray…

高能物理 - 唯象学 · 物理学 2019-09-04 Clarissa Siqueira

We examine indirect detection of dark matter that annihilates into dark glueballs, which in turn decay into the Standard Model via a range of portals. This arises if the dark matter candidate couples to a confining gauge force without light…

高能物理 - 唯象学 · 物理学 2023-10-23 David Curtin , Caleb Gemmell

In the last decades a vaste amount of evidence for the existence of dark matter has been accumulated. At the same time, many efforts have been undertaken to try to identify what dark matter is. Indirect searches look at places in the…

天体物理仪器与方法 · 物理学 2018-01-22 A. Morselli

The dark matter halo of the Milky Way is predicted to contain a very large number of smaller subhalos. As a result of the dark matter annihilations taking place within such objects, the most nearby and massive subhalos could appear as…

高能物理 - 唯象学 · 物理学 2014-01-22 Asher Berlin , Dan Hooper

An annual modulation signal due to the Earth orbiting around the Sun would be one of the strongest indications of the direct detection of dark matter. In 2016, we reported a search for dark matter by looking for this annual modulation with…

The nearby Perseus galaxy cluster is a key target for indirect detection searches for decaying dark matter. We use the C-EAGLE simulations of galaxy clusters to predict the flux, width and shape of a dark matter decay line, paying…

宇宙学与河外天体物理 · 物理学 2019-04-24 Mark R. Lovell , Dmytro Iakubovskyi , David Barnes , Sownak Bose , Carlos S. Frenk , Tom Theuns , Wojciech A. Hellwing

High to ultrahigh energy neutrino detectors can uniquely probe the properties of dark matter $\chi$ by searching for the secondary products produced through annihilation and/or decay processes. We evaluate the sensitivities to dark matter…

We carry out a comparison between different kinds of experiments for the detection of neutralino dark matter. In particular, we compare the theoretical predictions for the direct detection of these particles, through their elastic…

高能物理 - 唯象学 · 物理学 2011-07-19 Y. Mambrini , C. Munoz

MeV-GeV dark matter (DM) is theoretically well motivated but remarkably unexplored. This proposal presents the MeV-GeV DM discovery potential for a $\sim$1 m$^3$ segmented CsI(Tl) scintillator detector placed downstream of the Hall A…

Although various pieces of indirect evidence about the nature of dark matter have been collected, its direct detection has eluded experimental searches despite extensive effort. If the mass of dark matter is below 1 MeV, it is essentially…

量子物理 · 物理学 2013-12-16 C. Jess Riedel

The Galactic Center (GC) is potentially hosting the largest indirect signal from particle dark matter (DM), which in many well-motivated models would produce gamma rays as their final states. However, this region has often been dismissed…

高能物理 - 唯象学 · 物理学 2025-11-06 Silvia Manconi , Christopher Eckner , Francesca Calore , Fiorenza Donato

One way to unambiguously confirm the existence of particle dark matter and determine its mass would be to detect its annihilation into monochromatic gamma-rays in upcoming telescopes. One of the most minimal models for dark matter is the…

天体物理学 · 物理学 2008-11-26 Michael Gustafsson , Erik Lundstrom , Lars Bergstrom , Joakim Edsjo

A search for dark matter particles is performed using events with a Z boson candidate and large missing transverse momentum. The analysis is based on proton-proton collision data at a center-of-mass energy of 13 TeV, collected by the CMS…

高能物理 - 实验 · 物理学 2021-04-21 CMS Collaboration

The search for an excess of antideuterons in the cosmic rays flux has been proposed as a very promising channel for dark matter indirect detection, especially for WIMPs with a low or intermediate mass. With the development of the AMS…

高能物理 - 唯象学 · 物理学 2015-06-17 A. Vittino , N. Fornengo , L. Maccione

We analyze the observed properties of dwarf galaxies, which are dark matter dominated astrophysical objects, by assuming that dark matter is in the form of a strongly - coupled, dilute Bose - Einstein condensate. The basic astrophysical…

宇宙学与河外天体物理 · 物理学 2011-06-02 T. Harko

The Milky Way Galaxy contains a large, spherical component which is believed to harbor a substantial amount of unseen matter. Recent observations indirectly suggest that as much as half of this ``dark matter'' may be in the form of old,…

天体物理学 · 物理学 2009-10-12 B. R. Oppenheimer , N. C. Hambly , A. P. Digby , S. T. Hodgkin , D. Saumon

The distribution of dark matter in the Galaxy, according to state-of-the-art simulations, shows not only a smooth halo component but also a rich substructure where a hierarchy of dark matter subhalos of different masses is found. We present…

高能天体物理现象 · 物理学 2019-08-13 Daniel Nieto

The dwarf spheroidal galaxies (dSphs) in the Milky Way are the primary targets in the indirect searches for particle dark matter. To set robust constraints on candidate of dark matter particles, understanding the dark halo structure of…

星系天体物理 · 物理学 2016-08-05 Kohei Hayashi , Koji Ichikawa , Shigeki Matsumoto , Masahiro Ibe , Miho N. Ishigaki , Hajime Sugai
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