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Related papers: Antimatter from supersymmetric dark matter

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Once the energy spectrum of the secondary component is well understood, measurements of the antiproton cosmic-ray flux at the Earth will be a powerful way to indirectly probe for the existence of supersymmetric relics in the galactic halo.…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Donato , N. Fornengo , P. Salati

Cosmic rays are an important tool to study dark matter annihilation in our Galaxy. Recently, a possible hint for dark matter annihilation was found in the antiproton spectrum measured by AMS-02, even though the result might be affected by…

High Energy Astrophysical Phenomena · Physics 2018-05-23 Michael Korsmeier , Fiorenza Donato , Nicolao Fornengo

This white paper describes the basic idea for indirect dark matter searches using antideuterons. Low energy antideuterons produced by dark matter annihilations/decays provide an attractive dark matter signature, due to the low astrophysical…

Cosmology and Nongalactic Astrophysics · Physics 2013-05-06 C. Hailey , T. Aramaki , P. von Doetinchem , R. A. Ong

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

The origin of dark matter is a driving question of modern physics. Low-energy antideuterons provide a "smoking gun" signature of dark matter annihilation or decay, essentially free of astrophysical background. Low-energy antiprotons are a…

Low energy cosmic ray antideuterons provide a unique low background channel for indirect detection of dark matter. We compute the cosmic ray flux of antideuterons from hadronic annihilations of dark matter for various Standard Model final…

High Energy Physics - Phenomenology · Physics 2010-11-11 Yanou Cui , John D. Mason , Lisa Randall

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…

High Energy Physics - Phenomenology · Physics 2015-06-17 A. Vittino , N. Fornengo , L. Maccione

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

Low energy antideuterons suffer a very low secondary and tertiary astrophysical background, while they can be abundantly synthesized in dark matter pair annihilations, therefore providing a privileged indirect dark matter detection…

Astrophysics · Physics 2009-11-13 Howard Baer , Stefano Profumo

The search for antideuterons in cosmic rays has been proposed as a promising channel for dark matter indirect detection, especially for dark matter particles with a low or intermediate mass. With the current operational phase of the AMS-02…

High Energy Physics - Phenomenology · Physics 2017-07-26 N. Fornengo , L. Maccione , A. Vittino

The cosmic antideuteron is a promising probe for the dark matter annihilation signature. In order to determine the DM signature, the background astrophysical antideuteron flux should be carefully studied. In this work we provide a new…

High Energy Astrophysical Phenomena · Physics 2018-01-04 Su-Jie Lin , Xiao-Jun Bi , Peng-Fei Yin

The flux of cosmic ray antiprotons from neutralino annihilations in the galactic halo is computed for a large sample of models in the Minimal Supersymmetric extension of the Standard Model. We also revisit the problem of estimating the…

Astrophysics · Physics 2007-05-23 Lars Bergstrom , Joakim Edsjo , Piero Ullio

The precise measurement of cosmic-ray antiparticles serves as important means for identifying the nature of dark matter. Recent years showed that identifying the nature of dark matter with cosmic-ray positrons and higher energy antiprotons…

Recent years have seen increased theoretical and experimental effort towards the first-ever detection of cosmic-ray antideuterons, in particular as an indirect signature of dark matter annihilation or decay. In contrast to indirect dark…

Antideuterons are among the most promising galactic cosmic ray-related targets for dark matter indirect detection. Currently only upper limits exist on the flux, but the development of new experiments, such as GAPS and AMS-02, provides…

High Energy Physics - Phenomenology · Physics 2008-11-26 Fiorenza Donato , Nicolao Fornengo , David Maurin

The precise measurement of cosmic-ray antinuclei serves as an important means for identifying the nature of dark matter and other new astrophysical phenomena, and could be used with other cosmic-ray species to understand cosmic-ray…

Recent observations of a large excess of cosmic-ray positrons at high energies have raised a lot of interest in leptonic decay modes of dark matter particles. Nevertheless, dark matter particles in the Milky Way halo could also decay…

High Energy Physics - Phenomenology · Physics 2009-11-19 Alejandro Ibarra , David Tran

The general antiparticle spectrometer (GAPS) experiment is a proposed indirect dark matter search focusing on antiparticles produced by WIMP (weakly interacting massive particle) annihilation and decay in the Galactic halo. In addition to…

High Energy Astrophysical Phenomena · Physics 2014-06-09 T. Aramaki , S. E. Boggs , P. von Doetinchem , H. Fuke , C. J. Hailey , S. A. I. Mognet , R. A. Ong , K. M. Perez , J. Zweerink

Cosmic-ray antiprotons are a powerful tool for astroparticle physics. While the bulk of measured antiprotons is consistent with a secondary origin, the precise data of the AMS-02 experiment provides us with encouraging prospects to search…

High Energy Astrophysical Phenomena · Physics 2021-03-02 Jan Heisig

Indirect searches can be used to test dark matter models against expected signals in various channels, in particular antiprotons. With antiproton data available soon at higher and higher energies, it is important to test the dark matter…

High Energy Physics - Phenomenology · Physics 2015-06-22 Valeria Pettorino , Giorgio Busoni , Andrea De Simone , Enrico Morgante , Antonio Riotto , Wei Xue
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