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Record W3125757460 · doi:10.1103/physrevc.104.014903

Two-particle azimuthal correlations in photonuclear ultraperipheral <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Pb</mml:mi><mml:mo>+</mml:mo><mml:mi>Pb</mml:mi></mml:mrow></mml:math> collisions at 5.02 TeV with ATLAS

2021· article· lv· W3125757460 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

VenuePhysical review. C · 2021
Typearticle
Languagelv
FieldPhysics and Astronomy
TopicHigh-Energy Particle Collisions Research
Canadian institutionsnot available
FundersH2020 Marie Skłodowska-Curie ActionsHorizon 2020Instituto Nazionale di Fisica NucleareAgencia Nacional de Promoción Científica y TecnológicaFundação para a Ciência e a TecnologiaAustralian Research CouncilNational Research Council CanadaAgencia Nacional de Investigación y DesarrolloJapan Society for the Promotion of ScienceNational Research Center "Kurchatov Institute"Services Fédéraux des Affaires Scientifiques, Techniques et CulturellesBeijing Municipal Science and Technology CommissionCommissariat à l'Énergie Atomique et aux Énergies AlternativesNorges ForskningsrådMinisterio de Ciencia e InnovaciónInstitut National de Physique Nucléaire et de Physique des ParticulesMinistry of Science and Technology, TaiwanMinistarstvo Prosvete, Nauke i Tehnološkog RazvojaMinisterstwo Edukacji i NaukiCanada Foundation for InnovationNarodowe Centrum NaukiConselho Nacional de Desenvolvimento Científico e TecnológicoGöran Gustafssons Stiftelse för Naturvetenskaplig och Medicinsk ForskningBundesministerium für Wissenschaft, Forschung und WirtschaftDeutsche ForschungsgemeinschaftNederlandse Organisatie voor Wetenschappelijk OnderzoekChinese Academy of SciencesNatural Sciences and Engineering Research Council of CanadaMinistry of Education, Culture, Sports, Science and TechnologyBundesministerium für Bildung und ForschungEuropean CommissionLeverhulme TrustFundação de Amparo à Pesquisa do Estado de São PauloDepartamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)German-Israeli Foundation for Scientific Research and DevelopmentDanmarks GrundforskningsfondNational Research FoundationJavna Agencija za Raziskovalno Dejavnost RSScience and Technology Facilities CouncilMinisterstvo Průmyslu a ObchoduSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungMinistry of Science and Technology of the People's Republic of ChinaAgence Nationale de la RechercheTürkiye Atom Enerjisi KurumuUnited States - Israel Binational Science FoundationJoint Institute for Nuclear ResearchArizona-Nevada Academy of ScienceEuropean Cooperation in Science and TechnologyDepartment of Science and Technology, Republic of South AfricaAustrian Science FundGeneralitat ValencianaGeneralitat de CatalunyaDepartment of Science and Technology, Ministry of Science and Technology, IndiaGeneral Secretariat for Research and TechnologyIsrael Science FoundationEuropean Regional Development FundBritish Columbia Knowledge Development FundEuropean Research CouncilCentre National de la Recherche ScientifiqueMax-Planck-Gesellschaft“la Caixa” FoundationEuropean Social FundCentre National pour la Recherche Scientifique et TechniqueRoyal SocietyCompute CanadaNational Science FoundationInstitut de Valorisation des DonnéesAlexander von Humboldt-StiftungTRIUMFCentres de Recerca de CatalunyaCERNResearch Grants Council, University Grants CommitteeCanarieHelmholtz-GemeinschaftNational Natural Science Foundation of ChinaU.S. Department of Energy
KeywordsPseudorapidityPhysicsMultiplicity (mathematics)RapidityNuclear physicsCorrelation coefficientLarge Hadron ColliderAzimuthCharged particleStatisticsMathematicsGeometryIonOptics

Abstract

fetched live from OpenAlex

Two-particle long-range azimuthal correlations are measured in photonuclear collisions using $1.7\phantom{\rule{4pt}{0ex}}{\mathrm{nb}}^{\ensuremath{-}1}$ of 5.02 TeV $\mathrm{Pb}+\mathrm{Pb}$ collision data collected by the ATLAS experiment at the CERN Large Hadron Collider. Candidate events are selected using a dedicated high-multiplicity photonuclear event trigger, a combination of information from the zero-degree calorimeters and forward calorimeters, and from pseudorapidity gaps constructed using calorimeter energy clusters and charged-particle tracks. Distributions of event properties are compared between data and Monte Carlo simulations of photonuclear processes. Two-particle correlation functions are formed using charged-particle tracks in the selected events, and a template-fitting method is employed to subtract the nonflow contribution to the correlation. Significant nonzero values of the second- and third-order flow coefficients are observed and presented as a function of charged-particle multiplicity and transverse momentum. The results are compared with flow coefficients obtained in proton-proton and proton-lead collisions in similar multiplicity ranges, and with theoretical expectations. The unique initial conditions present in this measurement provide a new way to probe the origin of the collective signatures previously observed only in hadronic collisions.

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)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Insufficient payload (model declined to judge)
Consensus categoriesInsufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.955
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0000.001
Bibliometrics0.0000.002
Science and technology studies0.0010.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0270.006

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 head0.020
GPT teacher head0.281
Teacher spread0.262 · 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