No significant GeV emission from 223 SLSNe constrains GeV-to-optical efficiency to η < 1.3×10^{-3}, with <0.7% of events allowed above 10^{-2}; SN 2017egm shows a ~4σ excess favoring magnetar origin while SN 2018bsz does not.
Abdollahiet al.(Fermi-LAT), Astrophys
7 Pith papers cite this work. Polarity classification is still indexing.
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Tentative double Gaussian excess at 1.59 GeV (2.6σ) and 11.15 GeV (3.7σ) in Fermi-LAT spectrum of blazar 4FGL J0604.9-0000, combined TS ≃ 27 (~4.3σ local).
Stacking Fermi-LAT data from 21 blazars aligned to their jet directions detects anisotropic extended emission consistent with pair halos produced by a 2.8 x 10^{-16} G intergalactic magnetic field at 3.8 sigma.
An optimized Fermi-LAT analysis finds the Galactic Center Excess follows an approximately spherical generalized NFW morphology with inner slope ~1.15, a spectrum peaking at a few GeV, and only upper limits above tens of GeV.
ConvLSTM trained self-supervised on simulated daily all-sky maps detects transients in Fermi-LAT data via pixel-wise residual anomalies with spatial filtering.
In a dark-photon-mediated Dirac fermionic DM model, only narrow resonant regions with small dark-sector coupling allow the candidate to saturate the full relic density while evading current direct and indirect detection bounds.
Analysis of an unidentified Fermi gamma-ray source shows inconclusive results with a mild spectral preference for dark matter annihilation over a pulsar origin.
citing papers explorer
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On the Gamma-ray Efficiency of Superluminous Supernovae: Potential Detections and Population-Level Constraints
No significant GeV emission from 223 SLSNe constrains GeV-to-optical efficiency to η < 1.3×10^{-3}, with <0.7% of events allowed above 10^{-2}; SN 2017egm shows a ~4σ excess favoring magnetar origin while SN 2018bsz does not.
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A Tentative Double Excess in the Gamma-Ray Spectrum of the Fermi Blazar 4FGL J0604.9-0000
Tentative double Gaussian excess at 1.59 GeV (2.6σ) and 11.15 GeV (3.7σ) in Fermi-LAT spectrum of blazar 4FGL J0604.9-0000, combined TS ≃ 27 (~4.3σ local).
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Search for Anisotropic Pair Halos Associated with Blazar Jets
Stacking Fermi-LAT data from 21 blazars aligned to their jet directions detects anisotropic extended emission consistent with pair halos produced by a 2.8 x 10^{-16} G intergalactic magnetic field at 3.8 sigma.
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A Precise Measurement of the Fermi-LAT Galactic Center Excess Morphology and Spectrum
An optimized Fermi-LAT analysis finds the Galactic Center Excess follows an approximately spherical generalized NFW morphology with inner slope ~1.15, a spectrum peaking at a few GeV, and only upper limits above tens of GeV.
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Self-Supervised ConvLSTM for Fermi Large Area Telescope Transient Detection
ConvLSTM trained self-supervised on simulated daily all-sky maps detects transients in Fermi-LAT data via pixel-wise residual anomalies with spatial filtering.
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GeV-scale thermal dark matter from dark photons: tightly constrained, yet allowed
In a dark-photon-mediated Dirac fermionic DM model, only narrow resonant regions with small dark-sector coupling allow the candidate to saturate the full relic density while evading current direct and indirect detection bounds.
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Deeper analysis of Fermi-LAT unassociated 4FGL J2112.5-3043 for possible identification
Analysis of an unidentified Fermi gamma-ray source shows inconclusive results with a mild spectral preference for dark matter annihilation over a pulsar origin.