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Related papers: Astro 2020 Science White Paper: Cosmic-ray Antinuc…

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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…

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

We propose low-energy antideuterons in cosmic rays as a new possible signature for indirect detection of supersymmetric dark matter. Since the energy spectrum of the antiproton secondary component is still spoilt by considerable theoretical…

High Energy Physics - Phenomenology · Physics 2007-05-23 Fiorenza Donato

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

Cosmic-ray antimatter, particularly low-energy antideuterons, serves as a sensitive probe of dark matter annihilating in our Galaxy. We study this smoking-gun signature and explore its complementarity with indirect dark matter searches…

High Energy Physics - Phenomenology · Physics 2024-11-14 Jan Heisig , Michael Korsmeier , Michael Krämer , Kathrin Nippel , Lena Rathmann

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 data on cosmic antiprotons have reached an outstanding precision on energies spanning from GeV to hundreds of TeV, thanks to the space-based AMS-02 experiment. The balloon-borne GAPS experiment, which just completed its first Antarctic…

High Energy Physics - Phenomenology · Physics 2026-05-12 Lorenzo Stefanuto , Mattia Di Mauro , Fiorenza Donato , Nicolao Fornengo , Jordan Koechler , David Maurin

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…

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…

Tentative observations of cosmic-ray antihelium by the AMS-02 collaboration have re-energized the quest to use antinuclei to search for physics beyond the standard model. However, our transition to a data-driven era requires more accurate…

High Energy Astrophysical Phenomena · Physics 2024-04-23 Pedro De La Torre Luque , Martin Wolfgang Winkler , Tim Linden

Cosmic-ray anti-nuclei provide a promising discovery channel for the indirect detection of particle dark matter. Hadron showers produced by the pair-annihilation or decay of Galactic dark matter generate anti-nucleons which can in turn form…

High Energy Physics - Phenomenology · Physics 2015-06-18 Eric Carlson , Adam Coogan , Tim Linden , Stefano Profumo , Alejandro Ibarra , Sebastian Wild

The General Antiparticle Spectrometer (GAPS) will carry out a sensitive dark matter search by measuring low-energy ($\mathrm{E} < 0.25 \mathrm{GeV/nucleon}$) cosmic ray antinuclei. The primary targets are low-energy antideuterons produced…

The GAPS experiment is foreseen to carry out a dark matter search using a novel detection approach to detect low-energy cosmic-ray antideuterons. The theoretically predicted antideuteron flux resulting from secondary interactions of primary…

Instrumentation and Methods for Astrophysics · Physics 2010-12-02 Ph. von Doetinchem , T. Aramaki , St. Boggs , W. Craig , H. Fuke , F. Gahbauer , Ch. Hailey , J. Koglin , N. Madden , I. Mognet , K. Mori , R. Ong , T. Yoshida , T. Zhang , J. Zweerink

Antideuterons and antihelium nuclei in the cosmic-ray spectrum have long been considered a smoking gun signature of dark matter annihilation, making the tentative observation of several such events by AMS highly intriguing. Conventional…

High Energy Physics - Phenomenology · Physics 2026-03-16 Caleb Gemmell , Dan Hooper , Seth Koren , Fabrizio Vassallo

The GAPS experiment is foreseen to carry out a dark matter search by measuring low-energy cosmic-ray antideuterons and antiprotons with a novel detection approach. It will provide a new avenue to access a wide range of different dark matter…

Instrumentation and Methods for Astrophysics · Physics 2015-08-14 P. von Doetinchem , T. Aramaki , S. Boggs , H. Fuke , C. J. Hailey , S. I. Mognet , R. A. Ong , K. Perez , J. Zweerink

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

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

A number of signals involving charged cosmic rays and high-energy photons have been interpreted as being due to annihilating dark matter. This article provides an overview of the experimental evidence and discusses in particular detections…

Astrophysics · Physics 2007-05-23 U. Schwanke

The GAPS experiment is designed to carry out a sensitive dark matter search by measuring low-energy cosmic ray antideuterons and antiprotons. GAPS will provide a new avenue to access a wide range of dark matter models and masses that is…

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
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