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X-ray line signal from decaying axino warm dark matter
High Energy Physics - Phenomenology · Submitted 7 Mar 2014
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In this scenario, axino with the mass $m_\axino\simeq 7$ keV can decay into photon and neutrino resulting in the X-ray line signal at $3.5$ keV, which might be the origin of unidentified X-ray emissions from galaxy clusters and Andromeda galaxy detected by the XMM-Newton X-ray observatory.
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The abstract, sentence by sentence
We consider axino warm dark matter in a supersymmetric axion model with R-parity violation. In this scenario, axino with the mass $m_\axino\simeq 7$ keV can decay into photon and neutrino resulting in the X-ray line signal at $3.5$ keV, which might be the origin of unidentified X-ray emissions from galaxy clusters and Andromeda galaxy detected by the XMM-Newton X-ray observatory.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We consider axino warm dark matter in a supersymmetric axion model with R-parity violation. | contribution 0.50 | 0.31 | 0.04 | asserted 0.70 |
| s1 | In this scenario, axino with the mass $m_\axino\simeq 7$ keV can decay into photon and neutrino resulting in the X-ray line signal at $3.5$ keV, which might be the origin of unidentified X-ray emissions from galaxy clusters and Andromeda galaxy detected by the XMM-Newton X-ray observatory. | result 0.51 | 0.31 | 0.82 | speculative 0.78 |
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The paper
Original abstract
We consider axino warm dark matter in a supersymmetric axion model with R-parity violation. In this scenario, axino with the mass $m_\axino\simeq 7$ keV can decay into photon and neutrino resulting in the X-ray line signal at $3.5$ keV, which might be the origin of unidentified X-ray emissions from galaxy clusters and Andromeda galaxy detected by the XMM-Newton X-ray observatory.
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References
How the literature uses it
31 arXiv papers cite this in 34 sentences
Papers whose main result relates to this one's
States the same result 1 paper
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Axino, the superpartner of axion, with a mass 2E is suggested as a possible origin of the line with R-parity violating decay into photon and neutrino.
Papers citing it · 19 sentences without a confident label
Compares with it 1 paper
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Finally we note that our mechanism for generating a 3.5 keV line as well as the implications of the model are very different from other models that have recently been proposed [ref] .
3.5 keV Galactic Emission Line as a Signal from the Hidden Sector · Conclusion · 0.97
Cites it as background 14 papers
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A few attempts have been already taken in order to explain this excess of X-ray signal by (i) decaying dark matter or annihilating dark matter, [ref] , (ii) magnetic dipolar dark matter (via upscattering of dark matter into an excited states and subsequent decay of excited states into dark matter and an X-ray photon), [ref] , (iii) others [ref] .
Dipolar dark matter in light of 3.5 keV X-ray Line, Neutrino mass and LUX data · Introduction · 0.92
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Since the fact provides a lot of implications on the nature of DM, many works have been studied [ref] .
X-ray line in Radiative Neutrino Model with Global $U(1)$ Symmetry · Introduction · 0.82
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There have been several papers discussing this in terms of an axino in R-parity violating supersymmetry [ref] .
The Supersymmetric R-Parity Violating Dine-Fischler-Srednicki-Zhitnitsky Axion Model · Introduction · 0.88
What it cites · 7 sentences without a confident label
Cites as background 11 papers
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Some theoretically interesting particle models have been suggested such as sterile neutrino [ref] , exciting dark matter [ref] , millicharged dark matter [ref] , axion like particle [ref] , in the effective theory [ref] .
Detection of An Unidentified Emission Line in the Stacked X-ray spectrum of Galaxy Clusters · Introduction · 0.84
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Some theoretically interesting particle models have been suggested such as sterile neutrino [ref] , exciting dark matter [ref] , millicharged dark matter [ref] , axion like particle [ref] , in the effective theory [ref] .
An unidentified line in X-ray spectra of the Andromeda galaxy and Perseus galaxy cluster · Introduction · 0.84
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Some theoretically interesting particle models have been suggested such as sterile neutrino [ref] , exciting dark matter [ref] , millicharged dark matter [ref] , axion like particle [ref] , in the effective theory [ref] .
7 keV sterile neutrino dark matter from split flavor mechanism · Introduction · 0.84
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