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Related papers: An Indirect Dark Matter Search Using Cosmic-Ray An…

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We report progress in developing a novel antimatter detection scheme. The gaseous antiparticle spectrometer (GAPS) identifies antimatter through the characteristic X-rays emitted by antimatter when it forms exotic atoms in gases. The…

Astrophysics · Physics 2015-06-24 C. J. Hailey , W. W. Craig , F. A. Harrison , J. Hong , K. Mori , J. Koglin , H. T. Yu , K. P. Ziock

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

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 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

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…

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

The General AntiParticle Spectrometer (GAPS) is an Antarctic balloon-borne detector designed to measure low-energy cosmic antinuclei (< 0.25 GeV/n), with a specific focus on antideuterons, as a distinctive signal from dark matter…

Instrumentation and Methods for Astrophysics · Physics 2021-09-07 R. Munini , E. Vannuccini , M. Boezio , P. von Doetinchem , C. Gerrity , A. Lenni , N. Marcelli , S. Quinn , F. Rogers , J. L. Ryan , A. Stoessl , M. Xiao , N. Saffold , A. Tiberio , M. Yamatani

GAPS is an international balloon-borne project that contributes to solving the dark-matter mystery through a highly sensitive survey of cosmic-ray antiparticles, especially undiscovered antideuterons. To achieve a sufficient sensitivity to…

Instrumentation and Methods for Astrophysics · Physics 2019-09-12 Takuya Wada , Hideyuki Fuke , Yuki Shimizu , Tetsuya Yoshida

The General Anti-Particle Spectrometer (GAPS) project is being carried out to search for primary cosmic-ray antiparticles especially for antideuterons produced by cold dark matter. GAPS plans to realize the science observation by Antarctic…

We have developed large-area lithium-drifted silicon (Si(Li)) detectors to meet the unique requirements of the General Antiparticle Spectrometer (GAPS) experiment. GAPS is an Antarctic balloon-borne mission scheduled for the first flight in…

Instrumentation and Methods for Astrophysics · Physics 2018-12-19 M. Kozai , H. Fuke , M. Yamada , T. Erjavec , C. J. Hailey , C. Kato , N. Madden , K. Munakata , K. Perez , F. Rogers , N. Saffold , Y. Shimizu , K. Tokuda , M. Xiao

The search for cosmic antideuterons has been proposed as a promising method to indirectly detect dark matter, due to the very small background flux from spallations expected at the energies relevant to experiments. The antideuteron flux…

High Energy Physics - Phenomenology · Physics 2015-06-11 Alejandro Ibarra , Sebastian Wild

GRAMS (Gamma-Ray and AntiMatter Survey) is a novel project that can simultaneously target both astrophysical observations with MeV gamma rays and an indirect dark matter search with antimatter. The GRAMS instrument is designed with a…

High Energy Astrophysical Phenomena · Physics 2019-12-06 Tsuguo Aramaki , Per Hansson Adrian , Georgia Karagiorgi , Hirokazu Odaka

Dark matter search in space has been carried out for many years. Measurements of cosmic ray photons, charged antiparticles and neutrinos are useful tools for dark matter indirect search. The antiparticle energy spectra of cosmic rays have…

High Energy Physics - Phenomenology · Physics 2018-05-16 Jie Feng , Hong-Hao Zhang

Indirect searches for Dark Matter (DM) particles with mass in the MeV -- GeV scale have received significant attention lately. Pair-annihilations of such DM particles in the Galaxy can give rise to (at the same time) MeV to GeV…

High Energy Physics - Phenomenology · Physics 2026-01-30 Marco Cirelli , Arpan Kar , Halim Shaikh

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

Dark matter is an important component of the Standard model of cosmology but its nature is still unknown. One of the most common explanations is that dark matter consists of Weakly Interacting Massive Particles (WIMPs), supposed to be cold…

High Energy Physics - Experiment · Physics 2019-06-26 A. Guskov , R. El-Kholy

The Alpha Magnetic Spectrometer (AMS), to be installed on the International Space Station, will provide data on cosmic radiations in the energy range from 0.5 GeV to 3 TeV. The main physics goals are the anti-matter and the dark matter…

Astrophysics · Physics 2007-05-23 S. Di Falco

There is currently vast evidence for Dark Matter (DM) from astronomical observations. However, in spite of tremendous efforts by large experimental groups, there is no confirmed direct detection of the dark matter in our galaxy. Recent…

Instrumentation and Methods for Astrophysics · Physics 2014-11-20 Juan Estrada

The Alpha Magnetic Spectrometer (AMS), to be installed on the International Space Station, will provide data on cosmic radiations in a large energy range. The main physics goals in the astroparticle domain are the antimatter and the dark…

Astrophysics · Physics 2007-05-23 Diego Casadei

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