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The Role of Antimatter Searches in the Hunt for Supersymmetric Dark Matter
High Energy Physics - Phenomenology · Submitted 1 Jun 2004
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We provide evidence that upcoming space-based experiments, like PAMELA or AMS, are going to be, in many cases, the unique open road towards dark matter discovery.
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The abstract, sentence by sentence
We analyze the antimatter yield of supersymmetric (SUSY) models with large neutralino annihilation cross sections. We introduce three benchmark scenarios, respectively featuring bino, wino and higgsino-like lightest neutralinos, and we study in detail the resulting antimatter spectral features. We carry out a systematic and transparent comparison between current and future prospects for direct detection, neutrino telescopes and antimatter searches. We demonstrate that often, in the models we consider, antimatter searches are the only detection channel which already constrains the SUSY parameter space. Particularly large antiprotons fluxes are expected for wino-like lightest neutralinos, while significant antideuteron fluxes result from resonantly annihilating binos. We introduce a simple and general recipe which allows to assess the visibility of a given SUSY model at future antimatter search facilities. We provide evidence that upcoming space-based experiments, like PAMELA or AMS, are going to be, in many cases, the unique open road towards dark matter discovery.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We analyze the antimatter yield of supersymmetric (SUSY) models with large neutralino annihilation cross sections. | contribution 0.96 | 0.92 | 0.04 | asserted 0.68 |
| s1 | We introduce three benchmark scenarios, respectively featuring bino, wino and higgsino-like lightest neutralinos, and we study in detail the resulting antimatter spectral features. | method 0.52 | 0.94 | 0.04 | asserted 0.84 |
| s2 | We carry out a systematic and transparent comparison between current and future prospects for direct detection, neutrino telescopes and antimatter searches. | contribution 0.80 | 0.92 | 0.07 | asserted 0.80 |
| s3 | We demonstrate that often, in the models we consider, antimatter searches are the only detection channel which already constrains the SUSY parameter space. | result 0.92 | 0.92 | 0.55 | asserted 1.00 |
| s4 | Particularly large antiprotons fluxes are expected for wino-like lightest neutralinos, while significant antideuteron fluxes result from resonantly annihilating binos. | result 1.00 | 0.82 | 0.07 | asserted 0.73 |
| s5 | We introduce a simple and general recipe which allows to assess the visibility of a given SUSY model at future antimatter search facilities. | contribution 0.68 | 0.93 | 0.08 | asserted 1.00 |
| s6 | We provide evidence that upcoming space-based experiments, like PAMELA or AMS, are going to be, in many cases, the unique open road towards dark matter discovery. | interpretation 0.87 | 0.75 | 0.60 | asserted 0.65 |
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The paper
Original abstract
We analyze the antimatter yield of supersymmetric (SUSY) models with large neutralino annihilation cross sections. We introduce three benchmark scenarios, respectively featuring bino, wino and higgsino-like lightest neutralinos, and we study in detail the resulting antimatter spectral features. We carry out a systematic and transparent comparison between current and future prospects for direct detection, neutrino telescopes and antimatter searches. We demonstrate that often, in the models we consider, antimatter searches are the only detection channel which already constrains the SUSY parameter space. Particularly large antiprotons fluxes are expected for wino-like lightest neutralinos, while significant antideuteron fluxes result from resonantly annihilating binos. We introduce a simple and general recipe which allows to assess the visibility of a given SUSY model at future antimatter search facilities. We provide evidence that upcoming space-based experiments, like PAMELA or AMS, are going to be, in many cases, the unique open road towards dark matter discovery.
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How the literature uses it
13 arXiv papers cite this in 14 sentences
Papers citing it · 6 sentences without a confident label
Cites it as background 8 papers
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One possibility that has received a great deal of attention is that these positrons are the products of dark matter annihilations [ref] or decays [ref] in the local halo of the Milky Way.
Pamela, FGST and Sub-Tev Dark Matter · Introduction · 0.95
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In addition to neutrinos, products of WIMP annihilations including gamma rays [ref] , electrons, positrons [ref] , and antiprotons [ref] could also potentially provide detectable signals.
Deducing the nature of dark matter from direct and indirect detection experiments in the absence of collider signatures of new physics · Indirect Searches With Gamma-Rays and Charged Particles · 0.84
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Over the last decades antimatter cosmic-ray measurements have been used to probe possible dark matter signals [ref] .
Revisiting GeV-scale annihilating dark matter with the AMS-02 positron fraction · Introduction · 0.97
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