Proposes the Trinity air-shower imaging system for detecting ultrahigh energy tau neutrinos between 10^7 and 10^10 GeV to address IceCube neutrino sources, UHECR origins, and high-energy neutrino physics.
Observations of the Crab Nebula with H.E.S.S
4 Pith papers cite this work. Polarity classification is still indexing.
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abstract
The Crab nebula was observed with the H.E.S.S. stereoscopic Cherenkov-telescope array between October 2003 and January 2005 for a total of 22.9 hours (after data quality selection). Observations were made with three operational telescopes in late 2003 and with the complete 4 telescope array in January - February 2004 and October 2004 - January 2005. The observations are discussed and used as an example to detail the flux and spectral analysis procedures of H.E.S.S., and to evaluate the systematic uncertainties in H.E.S.S. flux measurements. The flux and spectrum of gamma-rays from the source are calculated on run-by-run and monthly time-scales, and a correction is applied for long-term variations in the detector sensitivity. Comparisons of the measured flux and spectrum over the observation period, along with the results from a number of different analysis procedures are used to estimate systematic uncertainties in the measurements. The energy spectrum is found to follow a power law with an exponential cutoff, with photon index $\Gamma = 2.39 \pm 0.03\stat$ and cutoff energy $E_{c} = (14.3 \pm 2.1\stat) \textrm{TeV}$ between 440 GeV and 40 TeV. The observed integral flux above 1 TeV is $(2.26 \pm 0.08\stat) \times 10^{-11} cm^{-2} s^{-1}$. The estimated systematic error on the flux measurement is estimated to be 20%, while the estimated systematic error on the spectral slope is 0.1.
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A review summarizing machine learning methods for multi-messenger probes of dark matter and new physics, with a proposed plan for future integrated analyses.
AGN (jetted and non-jetted) are viable high-energy neutrino sources, with TXS 0506+056 and NGC 1068 as the only statistically significant associations so far, while gamma-ray blazars contribute only a small fraction of the diffuse flux.
A review of extreme gamma-ray transients defined as catastrophic events or extreme particle acceleration regimes, covering diagnostics, instruments, and source classes.
citing papers explorer
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Trinity: An Air-Shower Imaging Instrument to detect Ultrahigh Energy Neutrinos
Proposes the Trinity air-shower imaging system for detecting ultrahigh energy tau neutrinos between 10^7 and 10^10 GeV to address IceCube neutrino sources, UHECR origins, and high-energy neutrino physics.
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Machine Learning for Multi-messenger Probes of New Physics and Cosmology: A Review and Perspective
A review summarizing machine learning methods for multi-messenger probes of dark matter and new physics, with a proposed plan for future integrated analyses.
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Active Galactic Nuclei as high-energy neutrino sources
AGN (jetted and non-jetted) are viable high-energy neutrino sources, with TXS 0506+056 and NGC 1068 as the only statistically significant associations so far, while gamma-ray blazars contribute only a small fraction of the diffuse flux.
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Extreme Transients in Gamma Rays
A review of extreme gamma-ray transients defined as catastrophic events or extreme particle acceleration regimes, covering diagnostics, instruments, and source classes.