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Record W4288396072 · doi:10.5167/uzh-202922

Sensitivity of the Cherenkov Telescope Array for probing cosmology and fundamental physics with gamma-ray propagation

2021· article· en· W4288396072 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

fundA Canadian funder is recorded on the work.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueLibrary Open Repository (Universidad Complutense Madrid) · 2021
Typearticle
Languageen
FieldPhysics and Astronomy
TopicDark Matter and Cosmic Phenomena
Canadian institutionsnot available
FundersInstitut National de Physique Nucléaire et de Physique des ParticulesAgencia Estatal de InvestigaciónStaatssekretariat für Bildung, Forschung und InnovationArgonne National LaboratoryComisión Nacional de Investigación Científica y TecnológicaJapan Aerospace Exploration AgencyJapan Society for the Promotion of ScienceDeutsches Elektronen-SynchrotronAustralian Research CouncilCanadian Space AgencyAgencia Nacional de Investigación y DesarrolloIstituto Nazionale di Fisica NucleareMinistério da Ciência, Tecnologia, Inovações e ComunicaçõesJunta de AndalucíaMinisterstvo Školství, Mládeže a TělovýchovyUniversidad de JaénRegione LombardiaState Committee of ScienceMinisterio de Ciencia e InnovaciónUniversitetet i OsloMax-Planck-GesellschaftCentre National de la Recherche ScientifiqueU.S. Department of EnergyFundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de JaneiroUniversity of SydneyMinistero dell’Istruzione, dell’Università e della RicercaAgenzia Spaziale ItalianaMinistère de l'Education Nationale, de l'Enseignement Superieur et de la RechercheHigh Energy Accelerator Research OrganizationHrvatska Zaklada za ZnanostConselho Nacional de Desenvolvimento Científico e TecnológicoLeverhulme TrustEuropean CommissionFundação de Amparo à Pesquisa do Estado de São PauloUniversity of AdelaideNational Aeronautics and Space AdministrationNational Research FoundationJavna Agencija za Raziskovalno Dejavnost RSScience and Technology Facilities CouncilSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungUniversity of New South WalesBundesministerium für Bildung, Wissenschaft und ForschungNederlandse Organisatie voor Wetenschappelijk OnderzoekNatural Sciences and Engineering Research Council of CanadaWestern Sydney UniversityBundesministerium für Bildung und ForschungMinistry of Education, Culture, Sports, Science and TechnologyRoyal Swedish Academy of SciencesUniversity of OxfordInstitute for Cosmic Ray Research, University of TokyoUniversity of LeicesterIstituto Nazionale di AstrofisicaDurham UniversityVetenskapsrådetFondazione CariploSmithsonian InstitutionBarnard CollegeMonash UniversityAgence Nationale de la RechercheSveučilište u ZagrebuComunidad de MadridGeorgia Institute of TechnologyWisconsin Alumni Research FoundationSveučilište Josipa Jurja Strossmayera u OsijekuIowa State UniversityNational Science Foundation
KeywordsPhysicsCherenkov Telescope ArrayCosmologyAstrophysicsExtragalactic background lightRedshiftAstronomyDark matterCherenkov radiationActive galactic nucleusObservational cosmologyAstroparticle physicsPhysics beyond the Standard ModelIntergalactic travelQuasarDark energyGalaxyParticle physics

Abstract

fetched live from OpenAlex

The Cherenkov Telescope Array (CTA), the new-generation ground-based observatory for γ astronomy, provides unique capabilities to address significant open questions in astrophysics, cosmology, and fundamental physics. We study some of the salient areas of γ cosmology that can be explored as part of the Key Science Projects of CTA, through simulated observations of active galactic nuclei (AGN) and of their relativistic jets. Observations of AGN with CTA will enable a measurement of γ absorption on the extragalactic background light with a statistical uncertainty below 15% up to a redshift z=2 and to constrain or detect γ halos up to intergalactic-magnetic-field strengths of at least 0.3 pG . Extragalactic observations with CTA also show promising potential to probe physics beyond the Standard Model. The best limits on Lorentz invariance violation from γ astronomy will be improved by a factor of at least two to three. CTA will also probe the parameter space in which axion-like particles could constitute a significant fraction, if not all, of dark matter. We conclude on the synergies between CTA and other upcoming facilities that will foster the growth of γ cosmology.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.127
Threshold uncertainty score0.567

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.011
GPT teacher head0.202
Teacher spread0.191 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it