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Related papers: Indirect Signals from Dark Matter in Split Supersy…

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High resolution simulations reveal that in the cold dark matter scenario the structures form hierarchically and a large number of substructures survive in the galactic halos. The substructures can be probed if they emit gamma rays via dark…

Astrophysics · Physics 2009-11-13 Xiao-Jun Bi

Indirect dark matter searches are briefly reviewed. Current experimental data from satellites and Cherenkov telescopes searching for antimatter and gamma rays in galactic and extragalactic regions, are compared with predictions from…

High Energy Physics - Phenomenology · Physics 2012-03-06 Carlos Munoz

The Galactic Center region is expected to host the largest density of Dark Matter (DM) particles within the Milky Way. Then a relatively large gamma-ray signal would be expected from the possible DM particles annihilation (or decay). We are…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Vincenzo Vitale , Aldo Morselli

Where is the long--awaited one? A supersymmetric neutralino has been a favored candidate for the WIMP dark matter but, so far, it has not been found. One way to locate it is to identify where it can be hiding in the vast supersymmetric…

High Energy Physics - Phenomenology · Physics 2007-05-23 Leszek Roszkowski

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

Direct dark matter searches are promising techniques to identify the nature of dark matter particles. I describe the future of this field of research, focussing on the question of what can be achieved in the next decade. I will present the…

Instrumentation and Methods for Astrophysics · Physics 2012-12-04 Laura Baudis

Various issues related to the direct detection of supersymmetric dark matter are reviewed. Such are: 1) Construction of supersymmetric models with a number of parameters, which are constrained from the data at low energies as well as…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. D. Vergados

Detecting dark matter as it streams through detectors on Earth relies on knowledge of its phase space density on a scale comparable to the size of our solar system. Numerical simulations predict that our Galactic halo contains an enormous…

Astrophysics of Galaxies · Physics 2014-11-20 Aurel Schneider , Lawrence M. Krauss , Ben Moore

If the lightest dark matter neutralino has a sufficiently large Higgsino component, its spin-independent and spin-dependent cross sections on nucleons can be sizable enough to be detected soon in direct and indirect surveys. We outline in…

High Energy Physics - Phenomenology · Physics 2015-03-17 Ilia Gogoladze , Rizwan Khalid , Yukihiro Mimura , Qaisar Shafi

We analyze the direct detection rate of minimal supersymmetric neutralino dark matter in germanium, sapphire and sodium iodide detectors, imposing cosmological and accelerator bounds including those from \bsg\ decay. In contrast with…

High Energy Physics - Phenomenology · Physics 2011-01-25 P. Gondolo , L. Bergstrom

We discuss the visibility of gamma lines from dark matter annihilation. We point out a class of theories for dark matter which predict the existence of gamma lines with striking features. In these theories, the final state radiation…

High Energy Physics - Phenomenology · Physics 2019-12-18 Pavel Fileviez Perez , Clara Murgui

The lightest neutralino is a viable dark matter (DM) candidate. In this paper we study indirect detection of the wino-like neutralino DM using positrons and antiprotons from the annihilation in the galactic halo. When the mass is around 2…

High Energy Physics - Phenomenology · Physics 2009-11-11 Junji Hisano , Shigeki Matsumoto , Osamu Saito , Masato Senami

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

Dark matter (DM) halos have long been known to be triaxial, but in studies of possible annihilation and decay signals they are often treated as approximately spherical. In this work, we examine the asymmetry of potential indirect detection…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-28 Nicolás Bernal , Lina Necib , Tracy R. Slatyer

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

A new set of supersymmetric benchmark scenarios has recently been proposed in the context of the constrained MSSM (CMSSM) with universal soft supersymmetry-breaking masses, taking into account the constraints from LEP, $b \to s \gamma$ and…

Weakly interacting massive particles (WIMPs) remain a prime candidate for the cosmological dark matter (DM), even in the absence of current collider signals that would unambiguously point to new physics below the TeV scale. The…

High Energy Physics - Phenomenology · Physics 2012-12-17 Torsten Bringmann , Christoph Weniger

A brief review of the indirect detection signatures of dark matter is given. In particular, detection methods of dark matter particle annihilation to antimatter and gamma-rays are reviewed. With the GLAST satellite soon to be launched, a…

Astrophysics · Physics 2008-11-26 Lars Bergstrom

We compute the electromagnetic radiative corrections to all leading annihilation processes which may occur in the Galactic dark matter halo, for dark matter in the framework of supersymmetric extensions of the Standard Model (MSSM and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Torsten Bringmann , Lars Bergstrom , Joakim Edsjo

Dark matter is one of the most important open problems in particle physics and cosmology. Weakly interacting massive particles (WIMPs) appear as an appealing solution, providing the right relic density with a cross-section at the…

High Energy Physics - Phenomenology · Physics 2021-10-04 C. Siqueira , Guilherme N. Fortes , Aion Viana , Farinaldo Queiroz