Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/9494
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dc.contributor.authorAaboud, M.-
dc.contributor.authorAad, G.-
dc.contributor.authorAbbott, B.-
dc.contributor.authorAbdallah, J.-
dc.contributor.authorAbdinov, O.-
dc.contributor.authorAbeloos, B.-
dc.contributor.authorAdelman, J.-
dc.date.accessioned2022-12-25T20:36:33Z-
dc.date.available2022-12-25T20:36:33Z-
dc.date.issued2017-
dc.identifier.issn1745-2473-
dc.identifier.issn1745-2481-
dc.identifier.urihttps://doi.org/10.1038/NPHYS4208-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/9494-
dc.description.abstractLight-by-light scattering (gamma gamma -> gamma gamma) is a quantum-mechanical process that is forbidden in the classical theory of electrodynamics. This reaction is accessible at the Large Hadron Collider thanks to the large electromagnetic field strengths generated by ultra-relativistic colliding lead ions. Using 480 mu b(-1) of lead-lead collision data recorded at a centre-of-mass energy per nucleon pair of 5.02 TeV by the ATLAS detector, here we report evidence for light-by-light scattering. A total of 13 candidate events were observed with an expected background of 2.6 +/- 0.7 events. After background subtraction and analysis corrections, the fiducial cross-section of the process Pb + Pb (gamma gamma) -> Pb-(center dot) + Pb-(center dot) gamma gamma, for photon transverse energy E-T > 3 GeV, photon absolute pseudorapidity vertical bar eta vertical bar < 2.4, diphoton invariant mass greater than 6 GeV, diphoton transverse momentum lower than 2 GeV and diphoton acoplanarity below 0.01, is measured to be 70 +/- 24 (stat.) +/- 17 (syst.) nb, which is in agreement with the standard model predictions.en_US
dc.description.sponsorshipBCKDF; Canada Council; CANARIE; CRC; Compute Canada; FQRNT; Ontario Innovation Trust, Canada; EPLANET; ERC; ERDF; FP7; Horizon 2020; Marie Sklodowska-Curie Actions, European Union; Investissements dAvenir Labex and Idex; ANRRegion Auvergne; Fondation Partager le Savoir, France; DFG, Germany; AvH Foundation, Germany; Thales programme; Aristeia programme; EU-ESF; Greek NSRF; BSF, Israel; GIF, Israel; Minerva, Israel; BRF, Norway; CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain; Royal Society, United Kingdom; Leverhulme Trust, United Kingdom; Science and Technology Facilities Council [1653101, ST/H001158/2, ST/M001431/1, ATLAS, ST/L001144/1, PP/E000452/1, ST/K003666/1, ST/N000277/1, ST/K001361/1, ST/H001158/1, ST/L005662/1, ST/M006417/1, ST/N000234/1, ST/I005846/1, 1366825, GRIDPP, ST/N000331/1] Funding Source: researchfishen_US
dc.language.isoenen_US
dc.publisherNature Publishing Groupen_US
dc.relation.ispartofNature Physicsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDelbruck Scatteringen_US
dc.subjectPeripheral Collisionsen_US
dc.subjectPair Productionen_US
dc.subjectGamma-Gammaen_US
dc.subjectPhysicsen_US
dc.titleEvidence for Light-By Scattering in Heavy-Ion Collisions With the Atlas Detector at the Lhcen_US
dc.typeArticleen_US
dc.departmentESTÜen_US
dc.identifier.volume13en_US
dc.identifier.issue9en_US
dc.identifier.startpage852en_US
dc.identifier.endpage+en_US
dc.authoridStabile, Alberto/0000-0002-6868-8329-
dc.authoridKostyukhin, Vadim/0000-0002-0490-9209-
dc.authoridFassi, Farida/0000-0002-6423-7213-
dc.authoridDarbo, Giovanni/0000-0003-2165-0638-
dc.authoridPalka, Marek/0000-0002-7185-3540-
dc.authoridCamarri, Paolo/0000-0002-5732-5645-
dc.authoridUngaro, Francesca C/0000-0003-2005-595X-
dc.identifier.wosWOS:000409235100017en_US
dc.identifier.scopus2-s2.0-85028933316en_US
dc.institutionauthor[Belirlenecek]-
dc.identifier.doi10.1038/NPHYS4208-
dc.authorwosidStabile, Alberto/F-2889-2013-
dc.authorwosidKostyukhin, Vadim/ABA-9033-2020-
dc.authorwosidFassi, Farida/F-3571-2016-
dc.authorwosidAlexopoulos, Theodoros/AAC-9633-2022-
dc.authorwosidDarbo, Giovanni/C-8175-2012-
dc.authorwosidPalka, Marek/GXW-2506-2022-
dc.authorwosidKrasnopevtsev, Dimitrii/R-2157-2017-
dc.authorscopusid57189848621-
dc.authorscopusid26326745400-
dc.authorscopusid35226946900-
dc.authorscopusid16232226000-
dc.authorscopusid6507496079-
dc.authorscopusid57110456500-
dc.authorscopusid56536227400-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanen_US
dc.identifier.scopusqualityQ1-
dc.identifier.trdiziniden_US]
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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