dc.contributor.author | Aad, Georges | |
dc.contributor.author | Abbott, Brad | |
dc.contributor.author | Abbott, Dale C. | |
dc.contributor.author | Abed Abud, Adam | |
dc.contributor.author | Abeling, Kira | |
dc.contributor.author | Abhayasinghe, Deshan Kavishka | |
dc.contributor.author | Abidi, Syed Haider | |
dc.contributor.author | Abramowicz, Halina | |
dc.contributor.author | Abreu, Henso | |
dc.contributor.author | Abulaiti, Yiming | |
dc.contributor.author | Bjørke, Kristian | |
dc.contributor.author | Bugge, Magnar Kopangen | |
dc.contributor.author | Cameron, David Gordon | |
dc.contributor.author | Catmore, James Richard | |
dc.contributor.author | Garonne, Vincent | |
dc.contributor.author | Gramstad, Eirik | |
dc.contributor.author | Heggelund, Andreas | |
dc.contributor.author | Hellesund, Simen | |
dc.contributor.author | Håland, Even Simonsen | |
dc.contributor.author | Morisbak, Vanja | |
dc.contributor.author | Ould-Saada, Farid | |
dc.contributor.author | Pedersen, Maiken | |
dc.contributor.author | Read, Alexander Lincoln | |
dc.contributor.author | Rye, Eli Bæverfjord | |
dc.contributor.author | Røhne, Ole Myren | |
dc.contributor.author | Sandaker, Heidi | |
dc.contributor.author | Vadla, Knut Oddvar Høie | |
dc.contributor.author | Buanes, Trygve | |
dc.contributor.author | Djuvsland, Julia Isabell | |
dc.contributor.author | Eigen, Gerald | |
dc.contributor.author | Latour, Bertrand Pascal Christian | |
dc.contributor.author | Lee, Graham Richard | |
dc.contributor.author | Lipniacka, Anna | |
dc.contributor.author | Stugu, Bjarne Sandvik | |
dc.contributor.author | Fomin, Nikolai | |
dc.contributor.author | Træet, Are Sivertsen | |
dc.contributor.author | Abusleme Hoffman, Angel C. | |
dc.contributor.author | Acharya, Bobby S. | |
dc.contributor.author | Achkar, Baida | |
dc.contributor.author | Adam, Lennart | |
dc.contributor.author | Adam-Bourdarios, Claire | |
dc.contributor.author | Adamczyk, Leszek | |
dc.contributor.author | Adamek, Lukas | |
dc.contributor.author | Addepalli, Sagar Vidya | |
dc.contributor.author | Adelman, Jareed | |
dc.contributor.author | Adigüzel, Aytül | |
dc.contributor.author | Adorni, Sofia | |
dc.contributor.author | Adye, Tim | |
dc.contributor.author | Affolder, Anthony Allen | |
dc.contributor.author | ATLAS, Collaboration | |
dc.date.accessioned | 2022-03-25T13:41:57Z | |
dc.date.available | 2022-03-25T13:41:57Z | |
dc.date.created | 2022-02-15T13:59:46Z | |
dc.date.issued | 2021 | |
dc.identifier.issn | 1126-6708 | |
dc.identifier.uri | https://hdl.handle.net/11250/2987697 | |
dc.description.abstract | A measurement of prompt photon-pair production in proton-proton collisions at √s = 13 TeV is presented. The data were recorded by the ATLAS detector at the LHC with an integrated luminosity of 139 fb−1. Events with two photons in the well-instrumented region of the detector are selected. The photons are required to be isolated and have a transverse momentum of pT,γ1(2) > 40 (30) GeV for the leading (sub-leading) photon. The differential cross sections as functions of several observables for the diphoton system are measured and compared with theoretical predictions from state-of-the-art Monte Carlo and fixed-order calculations. The QCD predictions from next-to-next-to-leading-order calculations and multi-leg merged calculations are able to describe the measured integrated and differential cross sections within uncertainties, whereas lower-order calculations show significant deviations, demonstrating that higher-order perturbative QCD corrections are crucial for this process. The resummed predictions with parton showers additionally provide an excellent description of the low transverse-momentum regime of the diphoton system. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Springer | en_US |
dc.rights | Navngivelse 4.0 Internasjonal | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/deed.no | * |
dc.title | Measurement of the production cross section of pairs of isolated photons in pp collisions at 13 TeV with the ATLAS detector | en_US |
dc.type | Journal article | en_US |
dc.type | Peer reviewed | en_US |
dc.description.version | publishedVersion | en_US |
dc.rights.holder | Copyright CERN, for the benefit of the ATLAS Collaboration. 2021 | en_US |
dc.source.articlenumber | 169 | en_US |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 2 | |
dc.identifier.doi | 10.1007/JHEP11(2021)169 | |
dc.identifier.cristin | 2001839 | |
dc.source.journal | Journal of High Energy Physics (JHEP) | en_US |
dc.relation.project | Norges forskningsråd: 310713 | en_US |
dc.subject.nsi | VDP::Kjerne- og elementærpartikkelfysikk: 431 | en_US |
dc.subject.nsi | VDP::Nuclear and elementary particle physics: 431 | en_US |
dc.identifier.citation | Journal of High Energy Physics (JHEP). 2021, 2021(11):169. | en_US |
dc.source.volume | 2021 | en_US |
dc.source.issue | 11 | en_US |