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Constraining MeV-scale axion-like particles with Fermi-LAT observations of SN 2023ixf
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abstract
The Fermi-LAT observations of SN 2023ixf, a Type II supernova in the nearby Pinwheel Galaxy, Messier 101 (M101), presents us with an excellent opportunity to constrain MeV-scale Axion-Like Particles (ALPs). By examining the photon decay signature from heavy ALPs that could be produced in the explosion, the existing constraints on the ALP-photon coupling can be improved, under optimistic assumptions, by up to a factor of $ \sim 2 $ for masses $ m_a \lesssim 3 $ MeV. Under very conservative assumptions, we find a bound that is slightly weaker than the existing ones for $ m_a \lesssim 0.5$ MeV. The exact reach of these searches depends mostly on properties of the SN progenitor. This study demonstrates the relevance of core-collapse supernovae, also beyond the Magellanic Clouds, as probes of fundamental physics.
Forward citations
Cited by 7 Pith papers
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Loop-Level Lepton Flavor Violation and Diphoton Signals in the Minimal Left-Right Symmetric Model
Recasting axion limits onto the one-loop H3 couplings of the minimal left-right symmetric model excludes the right-handed scale up to 2×10^9 GeV and could eventually probe 6×10^11 GeV.
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Time-delayed gamma-ray signatures of heavy axions from core-collapse supernovae
No gamma-ray excess from four supernovae in Fermi-LAT data yields the strongest constraints yet on MeV-to-GeV heavy axions coupled to both QED and QCD.
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Probing Heavy Axion-like Particles from Massive Stars with X-rays and Gamma Rays
Decay photons from heavy ALPs produced in Wolf-Rayet stars can be probed by INTEGRAL SPI down to gaγ ~ 4e-11 GeV^-1 for ma ~ 10-100 keV, modestly extending existing limits.
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NuSTAR bounds on radiatively decaying particles from M82
NuSTAR's non-detection of an X-ray halo from decaying axions around M82 excludes a previously allowed window of axion-photon coupling for 30-500 keV axion masses.
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Glueball Axion-Like Particles
A pseudoscalar glueball from a dark Yang-Mills sector, called a GALP, is shown to behave like an axion-like particle and to be a viable dark matter candidate with a predicted mass-coupling relation.
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SN 2023ixf: The Closest Supernova of the Decade
SN 2023ixf is a type II supernova that exploded inside dense, confined circumstellar material lost by its red supergiant progenitor in the final years before explosion, as established by synthesizing over 80 published...
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Lecture Notes: WISPs in gamma-ray astrophysics
The paper is a pedagogical review of axion-like particle searches in gamma-ray astrophysics, with tutorial derivations and a notebook-based analysis of NGC 1275, and it contains no new research result.
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