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Related papers: The GAPS Experiment to Search for Dark Matter usin…

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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

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 General Antiparticle Spectrometer (GAPS) is an Antarctic stratospheric balloon mission designed to provide unmatched sensitivity to low-energy (<0.25 GeV/n) cosmic-ray antiprotons, antideuterons, and antihelium nuclei as signatures of…

The General AntiParticle Spectrometer (GAPS) is a balloon-borne cosmic-ray antimatter experiment that uses the exotic atom technique, eliminating the requirement for strong B-fields used by conventional magnetic spectrometers. It will be…

Instrumentation and Methods for Astrophysics · Physics 2020-01-30 S. Quinn

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

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 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

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

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…

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

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

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

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

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 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…

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…

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

Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton--proton collision data corresponding to an integrated luminosity of 36.1 fb${}^{-1}$ at a…

High Energy Physics - Experiment · Physics 2018-02-05 ATLAS Collaboration

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

This thesis explores experimental and theoretical approaches to dark matter detection, from gas-based detectors to quantum sensors, tackling the challenge of identifying dark matter, which makes up 27% of the Universe's energy. It reviews…

Instrumentation and Methods for Astrophysics · Physics 2025-12-05 David Díez-Ibáñez