Anisotropic low-energy electron pitch angles reduce synchrotron polarization degrees in gamma-ray and X-ray bands of GRB prompt emission compared to isotropic cases, with optical band behavior depending on the slope m, offering a possible match to some observations.
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22 Pith papers cite this work, alongside 2,298 external citations. Polarity classification is still indexing.
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2026 22representative citing papers
The intensity-tracking pattern in GRB prompt spectra divides into three subclasses: aligned peaks (Type I), Ep before flux (Type II, dominant), and Ep after flux (Type III).
CNN emulator for decaying magnetic field fast-cooling synchrotron spectra is trained on synthetic data and used in Bayesian fits to GRB 231020A, favoring the decaying-field model over the standard version.
EP250905a is best explained as a mildly off-axis structured-jet afterglow at z=2.714, possibly weakly magnified by a foreground galaxy at z=0.374.
Future CE+ET detectors may detect lensed BNS kilonovae at ~0.5/yr via pointed follow-up of known galaxy lenses, while lensed sGRBs and afterglows remain rare or undetectable with current-generation facilities.
An analytical model for multiwavelength synchrotron emission from decelerated quasi-spherical ejecta with energy injection in stratified environments is developed for the deep Newtonian regime of GRB afterglows.
GRB 250706B/C exhibits temporal features consistent with fallback-regulated accretion operating on a high-luminosity branch in a collapsar.
Optically thin inverse Compton scattering in GRB fireballs yields a positive E_peak-α correlation with alpha evolving from >+0.5 to <-0.67, proposed as a diagnostic signature for the prompt emission mechanism.
Statistical multipoint observations indicate ICME shock acceleration efficiency increases with heliocentric distance up to 0.7 AU before decreasing.
Decaying magnetic fields in fast-cooling synchrotron emission partially harden the low-energy index but still produce a distribution centered near α ≈ −1.5, falling short of reproducing the observed GBM catalog at the population level.
Simulations predict Argus and DSA will serendipitously catch GRB afterglows at rates of ~47/yr (Argus, reliable-fade metric) and ~82/yr (DSA) for Fermi/GBM LGRBs, with ~116 optical and ~217 radio orphan afterglows per year.
Long gamma-ray bursts imply a higher cosmic star formation rate density at z>6 than galaxy surveys detect, sufficient to drive reionization with moderate ionizing efficiency and escape fraction, implying a large population of undetected faint galaxies.
FRB 20240114A shows two epochs with distinct energy distribution indices and waiting time statistics, suggesting different burst types before and after March 21 2024.
The paper identifies supernova emission matching a scaled SN 1998bw template in the late-time light curve of EP250302a at z=1.131, with early data constraining the jet Lorentz factor above 25.
A structured jet model with weak-scattering thermal heating in the mixed cocoon region reproduces the quasi-thermal and non-thermal spectra of GRB 090902B while broader spectra appear in strong-scattering cases.
Spectral width increases with time in GRB 220426A and GRB 230812B, challenging single-zone emission models and supporting multi-zone prompt emission.
Simulations of the BSD instrument for POLAR-2 show it can localize faint GRBs like GRB 170817A to about 1.5 degrees accuracy, meeting requirements for supporting GRB polarimetry.
Spectral fringes in a few GRB observations indicate possible femtolensing by primordial black holes, providing upper limits on their fractional abundance as dark matter.
GRB 110801A shows double-burst gamma-ray emission with an early-rising optical afterglow from the first burst preceding the second prompt episode, modeled via reverse and forward shocks yielding Gamma_0 ~60, theta_j ~0.09, and E_k,iso ~10^54.8 erg.
Case study of four GRBs finds afterglow light curves shaped by ambient density, not prompt fireball composition, with cascade pairs affecting only long GRB early optical emission.
A review of early optical GRB features including prompt emission, reverse shocks, and afterglow onset, highlighting robotic telescopes' role in constraining jet Lorentz factors and magnetization.
citing papers explorer
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Synchrotron polarization of anisotropic electron distribution in GRB prompt emission
Anisotropic low-energy electron pitch angles reduce synchrotron polarization degrees in gamma-ray and X-ray bands of GRB prompt emission compared to isotropic cases, with optical band behavior depending on the slope m, offering a possible match to some observations.
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Three Subclasses of the Intensity-tracking Pattern in Gamma-Ray Burst Spectral Evolution
The intensity-tracking pattern in GRB prompt spectra divides into three subclasses: aligned peaks (Type I), Ep before flux (Type II, dominant), and Ep after flux (Type III).
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Modeling Gamma-Ray Burst Spectra with Convolutional Neural Networks: Fast-Cooling Synchrotron Emission in a Decaying Magnetic Field
CNN emulator for decaying magnetic field fast-cooling synchrotron spectra is trained on synthetic data and used in Bayesian fits to GRB 231020A, favoring the decaying-field model over the standard version.
-
Multi-wavelength Constraints on the Transient EP250905a
EP250905a is best explained as a mildly off-axis structured-jet afterglow at z=2.714, possibly weakly magnified by a foreground galaxy at z=0.374.
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Prospect for Detection of Strongly Lensed Multi-messenger Signals of Binary Neutron Star Mergers
Future CE+ET detectors may detect lensed BNS kilonovae at ~0.5/yr via pointed follow-up of known galaxy lenses, while lensed sGRBs and afterglows remain rare or undetectable with current-generation facilities.
-
Deep Newtonian Afterglows: Theoretical Light Curves for Quasi-spherical Outflows
An analytical model for multiwavelength synchrotron emission from decelerated quasi-spherical ejecta with energy injection in stratified environments is developed for the deep Newtonian regime of GRB afterglows.
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GRB 250706B/C: Insight-HXMT Discovery of a High-Luminosity Burst as a Candidate for Fallback-Regulated Accretion in the Prompt Emission
GRB 250706B/C exhibits temporal features consistent with fallback-regulated accretion operating on a high-luminosity branch in a collapsar.
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$E_{\rm peak}$-$\alpha$ Correlation in Time Resolved GRB Spectra: A Bottom-Up Approach with Optically Thin Inverse Compton Scattering Model
Optically thin inverse Compton scattering in GRB fireballs yields a positive E_peak-α correlation with alpha evolving from >+0.5 to <-0.67, proposed as a diagnostic signature for the prompt emission mechanism.
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Radial Dependency of ICME-associated Particle Acceleration Processes: Statistical Multipoint Observations from 2016-2023
Statistical multipoint observations indicate ICME shock acceleration efficiency increases with heliocentric distance up to 0.7 AU before decreasing.
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Fast-Cooling Synchrotron in Decaying Magnetic Fields: Implications for the GRB Spectral Distribution
Decaying magnetic fields in fast-cooling synchrotron emission partially harden the low-energy index but still produce a distribution centered near α ≈ −1.5, falling short of reproducing the observed GBM catalog at the population level.
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Prospects for GRB Afterglow Discovery with the Eric and Wendy Schmidt Observatory System
Simulations predict Argus and DSA will serendipitously catch GRB afterglows at rates of ~47/yr (Argus, reliable-fade metric) and ~82/yr (DSA) for Fermi/GBM LGRBs, with ~116 optical and ~217 radio orphan afterglows per year.
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Gamma-ray bursts reveal the history and faint contributors of cosmic reionization
Long gamma-ray bursts imply a higher cosmic star formation rate density at z>6 than galaxy surveys detect, sufficient to drive reionization with moderate ionizing efficiency and escape fraction, implying a large population of undetected faint galaxies.
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Signatures of Two Distinct Epochs of FRB 20240114A from January to August 2024 Based on its Energy and Waiting Time Analysis
FRB 20240114A shows two epochs with distinct energy distribution indices and waiting time statistics, suggesting different burst types before and after March 21 2024.
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Discovery of a Supernova Following the Einstein Probe Transient EP250302a at z = 1.131
The paper identifies supernova emission matching a scaled SN 1998bw template in the late-time light curve of EP250302a at z=1.131, with early data constraining the jet Lorentz factor above 25.
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Shear Particle Acceleration in Structured Gamma-Ray Burst Jets: IV. Thermal {\em vs.} Non-thermal Emission of the Jet Cocoon
A structured jet model with weak-scattering thermal heating in the mixed cocoon region reproduces the quasi-thermal and non-thermal spectra of GRB 090902B while broader spectra appear in strong-scattering cases.
-
Are Single-Zone Emission models Sufficient to Explain GRB 220426A and GRB 230812B?
Spectral width increases with time in GRB 220426A and GRB 230812B, challenging single-zone emission models and supporting multi-zone prompt emission.
-
Design and preliminary performance study of the broad-band spectrometer detector for POLAR-2
Simulations of the BSD instrument for POLAR-2 show it can localize faint GRBs like GRB 170817A to about 1.5 degrees accuracy, meeting requirements for supporting GRB polarimetry.
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Primordial Black Hole signatures from femtolensing and spectral fringe of Gamma Ray Bursts
Spectral fringes in a few GRB observations indicate possible femtolensing by primordial black holes, providing upper limits on their fractional abundance as dark matter.
-
The Double-Burst Nature and Early Afterglow Evolution of Long GRB 110801A
GRB 110801A shows double-burst gamma-ray emission with an early-rising optical afterglow from the first burst preceding the second prompt episode, modeled via reverse and forward shocks yielding Gamma_0 ~60, theta_j ~0.09, and E_k,iso ~10^54.8 erg.
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Do Prompt Gamma-ray Burst Fireball Composition Impact on Afterglow Emission? Cases Study for Long GRBs 080916C/090902B and Short GRBs 090510/130603B
Case study of four GRBs finds afterglow light curves shaped by ambient density, not prompt fireball composition, with cascade pairs affecting only long GRB early optical emission.
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Early Optical Follow-up of Gamma-Ray Bursts: The Critical Role of Robotic Telescopes
A review of early optical GRB features including prompt emission, reverse shocks, and afterglow onset, highlighting robotic telescopes' role in constraining jet Lorentz factors and magnetization.
- Counterintuitive Magnetic Connectivity and Energetic Particle Flux Differences among Nearby Spacecraft During the 2023 February 24 Solar Energetic Particle Event