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Status of cosmic-ray antideuteron searches | | P. von Doetinchem
; T. Aramaki
; S. Boggs
; S. Bufalino
; L. Dal
; F. Donato
; N. Fornengo
; H. Fuke
; M. Grefe
; C. Hailey
; B. Hamilton
; A. Ibarra
; J. Mitchell
; I. Mognet
; R.A. Ong
; R. Pereira
; K. Perez
; A. Putze
; A. Raklev
; P. Salati
; M. Sasaki
; G. Tarle
; A. Urbano
; A. Vittino
; S. Wild
; W. Xue
; K. Yoshimura
; | | Date: |
9 Jul 2015 | | Abstract: | 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 is difficult, and has lead to a significantly increased interest in
cosmic-ray antideuteron searches. Antideuterons may also be generated in dark
matter annihilations or decays, offering a potential breakthrough in unexplored
phase space for dark matter. Low-energy antideuterons are an important approach
because the flux from dark matter interactions exceeds the background flux by
more than two orders of magnitude in the low-energy range for a wide variety of
models. This review is based on the "dbar14 - dedicated cosmic-ray antideuteron
workshop", which brought together theorists and experimentalists in the field
to discuss the current status, perspectives, and challenges for cosmic-ray
antideuteron searches and discusses the motivation for antideuteron searches,
the theoretical and experimental uncertainties of antideuteron production and
propagation in our Galaxy, as well as give an experimental cosmic-ray
antideuteron search status update. This report is a condensed summary of the
article "Review of the theoretical and experimental status of dark matter
identification with cosmic-ray antideuteron" (arXiv:1505.07785). | | Source: | arXiv, 1507.2712 | | Services: | Forum | Review | PDF | Favorites | |
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