Current status and future plans for the general antiparticle spectrometer (GAPS)

H. Fuke; J. E. Koglin; T. Yoshida; T. Aramaki; W. W. Craig; L. Fabris; F. Gahbauer; C. J. Hailey; F. J. Jou; N. Madden; K. Mori; H. T. Yu; K. P. Ziock

doi:10.1016/j.asr.2007.02.041

Current status and future plans for the general antiparticle spectrometer (GAPS)

H. Fuke, J. E. Koglin, T. Yoshida, T. Aramaki, W. W. Craig, L. Fabris, F. Gahbauer, C. J. Hailey, F. J. Jou, N. Madden, K. Mori, H. T. Yu, K. P. Ziock

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9 Scopus citations

Abstract

We discuss current progress and future plans for the general antiparticle spectrometer experiment (GAPS). GAPS detects antideuterons through the X-rays and pions emitted during the deexcitation of exotic atoms formed when the antideuterons are slowed down and stopped in targets. GAPS provides an exceptionally sensitive means to detect cosmic-ray antideuterons. Cosmic-ray antideuterons can provide indirect evidence for the existence of dark matter in such form as neutralinos or Kaluza-Klein particles. We describe results of accelerator testing of GAPS prototypes, tentative design concepts for a flight GAPS detector, and near-term plans for flying a GAPS prototype on a balloon.

Original language	English
Pages (from-to)	2056-2060
Number of pages	5
Journal	Advances in Space Research
Volume	41
Issue number	12
DOIs	https://doi.org/10.1016/j.asr.2007.02.041
State	Published - 2008
Externally published	Yes

Funding

We thank J. Collins and the electronics lab staff at LLNL for the development and construction of the GAPS electronics, and T. Decker, R. Hill and G. Tajiri for mechanical engineering support. We gratefully acknowledge the support of M. Ieiri and the KEK staff before and during the accelerator experiments. This work was supported in part by a NASA SR& T Grant, NAG5-5393.

Funders	Funder number
NASA SR& T	NAG5-5393

Keywords

Antideuteron
Antiparticle
Cosmic-ray detectors
Cosmic-rays
Dark matter
Dark matter detectors
Exotic atom
GAPS

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abstract = "We discuss current progress and future plans for the general antiparticle spectrometer experiment (GAPS). GAPS detects antideuterons through the X-rays and pions emitted during the deexcitation of exotic atoms formed when the antideuterons are slowed down and stopped in targets. GAPS provides an exceptionally sensitive means to detect cosmic-ray antideuterons. Cosmic-ray antideuterons can provide indirect evidence for the existence of dark matter in such form as neutralinos or Kaluza-Klein particles. We describe results of accelerator testing of GAPS prototypes, tentative design concepts for a flight GAPS detector, and near-term plans for flying a GAPS prototype on a balloon.",

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AU - Fuke, H.

AU - Koglin, J. E.

AU - Yoshida, T.

AU - Aramaki, T.

AU - Craig, W. W.

AU - Fabris, L.

AU - Gahbauer, F.

AU - Hailey, C. J.

AU - Jou, F. J.

AU - Madden, N.

AU - Mori, K.

AU - Yu, H. T.

AU - Ziock, K. P.

PY - 2008

Y1 - 2008

N2 - We discuss current progress and future plans for the general antiparticle spectrometer experiment (GAPS). GAPS detects antideuterons through the X-rays and pions emitted during the deexcitation of exotic atoms formed when the antideuterons are slowed down and stopped in targets. GAPS provides an exceptionally sensitive means to detect cosmic-ray antideuterons. Cosmic-ray antideuterons can provide indirect evidence for the existence of dark matter in such form as neutralinos or Kaluza-Klein particles. We describe results of accelerator testing of GAPS prototypes, tentative design concepts for a flight GAPS detector, and near-term plans for flying a GAPS prototype on a balloon.

AB - We discuss current progress and future plans for the general antiparticle spectrometer experiment (GAPS). GAPS detects antideuterons through the X-rays and pions emitted during the deexcitation of exotic atoms formed when the antideuterons are slowed down and stopped in targets. GAPS provides an exceptionally sensitive means to detect cosmic-ray antideuterons. Cosmic-ray antideuterons can provide indirect evidence for the existence of dark matter in such form as neutralinos or Kaluza-Klein particles. We describe results of accelerator testing of GAPS prototypes, tentative design concepts for a flight GAPS detector, and near-term plans for flying a GAPS prototype on a balloon.

KW - Antideuteron

KW - Antiparticle

KW - Cosmic-ray detectors

KW - Cosmic-rays

KW - Dark matter

KW - Dark matter detectors

KW - Exotic atom

KW - GAPS

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JF - Advances in Space Research

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ER -

Current status and future plans for the general antiparticle spectrometer (GAPS)

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Keywords

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