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High energy particles are produced by the annihilation of dark matter particles in our galaxy. These are presently searched for using balloon-borne antiproton and positron detectors and large area, deep underground neutrino telescopes. Dark…

High Energy Physics - Phenomenology · Physics 2016-09-01 F. Halzen , J. E Jacobsen

The General Antiparticle Spectrometer (GAPS) experiment is a novel approach for the detection of cosmic ray antiparticles. A prototype GAPS experiment (pGAPS) was successfully flown on a high-altitude balloon in June of 2012. The goals of…

Dark Matter particles can be detected directly via their elastic scattering with nuclei. Next generation experiments can eventually find physical evidences about dark matter candidates. With this motivation in mind, we have calculated the…

High Energy Physics - Phenomenology · Physics 2022-02-09 K. J. Fushimi , M. M. Saez , M. E. Mosquera , O. Civitarese

Low energy antideuteron detection presents a unique channel for indirect detection, targeting dark matter that annihilates into hadrons in a relatively background-free way. Since the idea was first proposed, many WIMP-type models have…

High Energy Physics - Phenomenology · Physics 2020-05-26 Lisa Randall , Weishuang Linda Xu

We study the phenomenology of neutralino dark matter within generic supersymmetric scenarios where the Gaugino and Higgsino masses are much lighter than the scalar soft breaking masses (Split Supersymmetry). We consider a low-energy…

High Energy Physics - Phenomenology · Physics 2007-05-23 Antonio Masiero , Stefano Profumo , Piero Ullio

The indirect detection of particle dark matter (DM) is based on the search for anomalous components in cosmic rays (CRs) due to the annihilation of DM pairs in the galactic halo, on the top of the standard astrophysical production. These…

High Energy Astrophysical Phenomena · Physics 2010-03-23 P. Salati , F. Donato , N. Fornengo

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…

High Energy Physics - Phenomenology · Physics 2011-07-19 Y. Mambrini , C. Munoz

Indirect detection of particle dark matter relies upon pair annihilation of Weakly Interaction Massive Particles (WIMPs), which is complementary to the well known techniques of direct detection (WIMP-nucleus scattering) and collider…

Astrophysics · Physics 2008-11-26 Lawrence Wai , GLAST LAT Collaboration

The addition of non-renormalizable terms involving the Higgs fields to the MSSM (BMSSM) ameliorates the little hierarchy problem of the MSSM. For neutralino dark matter, new regions for which the relic abundance of the LSP is consistent…

High Energy Physics - Phenomenology · Physics 2014-11-20 Nicolas Bernal , Andreas Goudelis

Direct and indirect dark matter searches can potentially lead to the discovery of Supersymmetry. In the specific context of heterotic orbifold compactification scenarios, it is even possible to get some clues on the SUSY breaking mechanism…

High Energy Physics - Phenomenology · Physics 2014-11-17 G. Bertone , P. Binetruy , Y. Mambrini , E. Nezri

Relic neutralinos produced after the Big Bang are favoured candidates for Dark Matter. They can accumulate at the centre of massive celestial objects like our Sun. Their annihilation can result in a high-energy neutrino flux that could be…

Astrophysics · Physics 2019-08-13 Gordon Lim

If dark matter is composed of neutralinos, the gamma-ray radiation produced in their annihilation offers an attractive possibility for dark matter detection. This process may contribute significantly to the extragalactic gamma-ray…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-20 Jesus Zavala , Volker Springel , Michael Boylan-Kolchin

In this paper we study the detectability of $\gamma$-rays from dark matter annihilation in the subhalos of the Milky Way by the satellite-based experiments, EGRET and GLAST. We work in the frame of supersymmetric extension of the standard…

Astrophysics · Physics 2008-11-26 Xiao-Jun Bi

We study direct detection of dark matter in supersymmetric (SUSY) model where most of SUSY particles have very high-scale masses beyond the weak scale. In the scenario, Wino-like or Higgsino-like neutralino is a good candidate for the dark…

High Energy Physics - Phenomenology · Physics 2013-03-04 Junji Hisano , Koji Ishiwata , Natsumi Nagata

Neutralino dark matter can be indirectly detected by observing the gamma ray lines from the annihilation processes XX-->gg and XX-->gZ. In this paper we study the implications that the observation of these two lines could have for the…

High Energy Physics - Phenomenology · Physics 2010-01-08 Carlos E. Yaguna

We study the indirect detection of neutralino dark matter using positrons and gamma rays from its annihilation in the galactic halo. Considering the HESS data as the spectrum constituting the gamma--ray background, we compare the prospects…

High Energy Physics - Phenomenology · Physics 2009-11-11 Y. Mambrini , C. Munoz , E. Nezri

We analyze the indirect detection of neutralino dark matter in supergravity scenarios with non-universal soft scalar and gaugino masses. In particular, the gamma-ray flux arising from the galactic center due to neutralino annihilation is…

High Energy Physics - Phenomenology · Physics 2011-05-23 Y. Mambrini , C. Munoz

We study the possibilities for the indirect detection of dark matter in Split Supersymmetry from gamma-rays, positrons, and antiprotons. The most promising signal is the gamma-ray line, which may be observable at the next generation of…

High Energy Physics - Phenomenology · Physics 2009-11-10 Asimina Arvanitaki , Peter W. Graham

Neutrino detectors participate in the indirect search for the fundamental constituents of dark matter (DM) in form of weakly interacting massive particles (WIMPs). In WIMP scenarios, candidate DM particles can pair-annihilate into Standard…

High Energy Astrophysical Phenomena · Physics 2020-04-22 The ANTARES Collaboration

The annihilations of neutralino dark matter (or other dark matter candidate) generate, among other Standard Model states, electrons and positrons. These particles emit synchrotron photons as a result of their interaction with the Galactic…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dan Hooper