Results 101 to 110 of about 20,672 (255)

Blazar spectral variability as explained by a twisted inhomogeneous jet [PDF]

open access: yesNature, 2017
Blazars are active galactic nuclei, which are powerful sources of radiation whose central engine is located in the core of the host galaxy. Blazar emission is dominated by non-thermal radiation from a jet that moves relativistically towards us, and ...
C. Raiteri   +85 more
semanticscholar   +1 more source

Neutrino oscillations and blazars [PDF]

open access: yesAstroparticle Physics, 1999
14 pages, 3 postscript figures, using elsart.sty, invited talk to appear in the Proceedings of the VERITAS Workshop on TeV Astrophysics of Extragalactic Sources, eds. M. Catanese, J. Quinn, and T. Weekes (special issue of Astropart. Phys.) ** replaced by a significantly extended version **
openaire   +2 more sources

“I know what's best for my child”: A qualitative analysis of US cisgender‐heterosexual and LGBTQ parents’ perspectives on inclusive education policies

open access: yesAnalyses of Social Issues and Public Policy, Volume 25, Issue 2, August 2025.
Abstract Diversity education in the K‐12 years is a contentious issue in the contemporary US context. Given evidence that parental identity influences beliefs about and support for diversity education, we qualitatively explored cisgender‐heterosexual and LGBTQ+ parents’ (N = 609) beliefs about the appropriateness of inclusive educational policies in K ...
Flora Oswald   +3 more
wiley   +1 more source

Coincidence of a high-fluence blazar outburst with a PeV-energy neutrino event [PDF]

open access: yesNature Physics, 2016
The astrophysical sources of the extraterrestrial, very high-energy neutrinos detected by the IceCube collaboration remain to be identified. Gamma-ray (γ-ray) blazars have been predicted to yield a cumulative neutrino signal exceeding the atmospheric ...
M. Kadler   +50 more
semanticscholar   +1 more source

Gamma rays from blazars [PDF]

open access: yesAIP Conference Proceedings, 2017
12 pages, invited talk at "Gamma2016", Heidelberg July 11-15, 2016, to be published in a special volume of the AIP Conference ...
openaire   +2 more sources

Error climate and alienation from teachers: A longitudinal analysis in primary school

open access: yesBritish Journal of Educational Psychology, Volume 95, Issue 1, Page 41-54, March 2025.
Abstract Background Dealing with errors in the classroom is a crucial aspect of instructional quality and has multiple consequences for students' own dealing with errors, their learning and their achievement. The available literature on error climate indicates a paucity of research on the effects of perceived error climate on social aspects such as ...
Gabriele Steuer   +2 more
wiley   +1 more source

Extreme blazars

open access: yesAstroparticle Physics, 1999
TeV emission can be a common characteristic of low power blazars. This is in line with the sequence of blazars relating the observed bolometric luminosity with their overall spectral energy distribution. Detecting new TeV blazars, possibly at different redshifts, is important for studying the particle acceleration process operating in the jet, and it ...
openaire   +3 more sources

Radiation processes in blazars [PDF]

open access: yesAIP Conference Proceedings, 1997
We present an overview of the current theoretical models attempting to describe the structure and radiative processes operating in blazars and discuss the observational constraints that these models must confront.
openaire   +2 more sources

Exploring the Impact of Preoperative Laboratory Values on Short‐Term Outcomes in Complex Carpal Tunnel Decompression Surgery

open access: yesAdvances in Orthopedics, Volume 2025, Issue 1, 2025.
Background: The present study analyzes the effects of preoperative serum albumin, hematocrit, and creatinine on postoperative outcomes in patients undergoing carpal tunnel decompression surgery. Methods: The American College of Surgeons National Quality Improvement Program (NSQIP) database was queried from 2011 to 2020.
Anitesh Bajaj   +6 more
wiley   +1 more source

The Search for Neutrinos from TXS 0506+056 with the ANTARES Telescope [PDF]

open access: yesEPJ Web of Conferences, 2019
A high-energy neutrino, IC170922A, detected by the IceCube experiment was found to be positionally coincident with the direction of a known blazar, TXS 0506+056, observed in γ-rays and at other wavelengths of the electromagnetic spectrum.
Illuminati Giulia
doaj   +1 more source

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