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Updated constraints on axion-like particles from temporal information in supernova SN1987A gamma-ray data
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We revise gamma-ray limits on axion-like particles (ALPs) emitted from supernova SN1987A based on Solar Maximum Mission data. We improve and simplify the computation of the expected gamma-ray signal from ALP decays, while also extending it to non-instantaneous ALP emission. For the first time we make use of the temporal information in the data to update the associated ALP-photon coupling limits. For ALP decays, our updated likelihood only mildly affects the limit compared to previous works due to the absorption of gamma rays close to SN1987A. However, for ALP conversions in the Galactic magnetic field, temporal information improves the limit on the ALP-photon coupling by a factor of 1.4.
Forward citations
Cited by 13 Pith papers
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Ultralight dark matter detection with trapped-ion interferometry
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Bounds on massive graviton-like particles from searches for axion-like particles coupling to photons
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Stripped-Envelope Supernovae for QCD Axion Detection
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Resonant enhancement of axion dark matter decay
Resonant cavities enhance axion dark matter decay to two photons via the Purcell effect, offering a competitive search method implementable with pre-existing heterodyne detection schemes.
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Supernova production of axion-like particles coupling to electrons, reloaded
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Reappraisal of the Constraints on Heavy Axion-like Particles from Gamma-Ray Bursts
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Magnetic Turbulence Boosts Supernova Signals of Axion-Photon Conversion
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Bipartite Solution to the Lithium Problem
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Analytical expressions for ALP-photon conversion in transient compact stars yield an updated bound g_aγ < 5×10^{-12} GeV^{-1} for m_a ≲ 10^{-9} eV from SN 1987A, plus sensitivity forecasts for future Galactic SN and N...
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