Measurement of single top-quark production in association with a W boson in the single-lepton channel at ?s=8 TeV with the ATLAS detector

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dc.authoridVentura, Andrea/0000-0002-3368-3413|Zivkovic, Lidija/0000-0003-4236-8930|Chizhov, Mihail/0000-0001-5841-3316|Roy, Ashim/0000-0002-5622-4260|Capua, Marcella/0000-0002-2443-6525|Smirnova, Oxana/0000-0003-2517-531X|xella, stefania/0000-0002-0988-1655|Melzer, Andre/0000-0001-9301-9357|Torro Pastor, Emma/0000-0002-5507-7924|Norjoharuddeen, Nurfikri/0000-0002-8818-7476|Martucci, Matteo/0000-0002-3033-4824|Bona, Marcella/0000-0002-9660-580X|Carrillo, Camilo/0000-0002-6245-6535|Grinstein, Sebastian/0000-0002-6460-8694|Ye, Sheng/0000-0003-3229-0746|Pathak, Atanu/0000-0001-9861-2942|Gravili, Francesco Giuseppe/0000-0003-2422-5960|Nechaeva, Polina Y/0000-0002-5910-4117|Escobar, Carlos/0000-0003-4442-4537|Ferrer, Antonio/0000-0003-0532-711X|Pani, Paolo/0000-0003-4443-1761|Smirnov, Sergei Y/0000-0002-6778-073X|Zhou, Ning/0000-0002-1775-2511|Santra, Arka/0000-0003-4644-2579|Llácer, María Moreno/0000-0003-1113-3645|Calvetti, Milene/0000-0003-0125-2165|Cheung, Kingman/0000-0003-2176-4053|Sciandra, Andrea/0000-0001-7163-501X|Talyshev, Alexey/0000-0001-8560-3756|Napolitano, Fabrizio/0000-0002-8686-5923|Kroll, Jiri/0000-0001-6215-3326|Kharlamova, Tatyana/0000-0002-0387-6804|Fabbri, Laura/0000-0002-4002-8353|Alexa, Calin/0000-0003-0922-7669|Valero, Alberto/0000-0002-9776-5880|Cie?la, Krzysztof/0000-0003-2751-3474|Trzupek, Adam/0000-0001-6938-5867|Meloni, Federico/0000-0001-8120-2103|Ramos, Juan Pablo Fernández/0000-0002-0122-313X|Kelsey, Daniel/0000-0002-2297-1356|Cetin, Serkant Ali/0000-0001-5050-8441|Bailey, Adam J/0000-0002-3301-2986|Onofre, Antonio/0000-0003-3471-2703|Buzykaev, Alexey/0000-0002-5458-5564|Olszewski, Andrzej/0000-0003-3368-5475|Francavilla, Paolo/0000-0003-1164-6870|Rossi, Eleonora/0000-0002-2146-677X|Casado, M. 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dc.authorwosidperez, miguel/GXF-5077-2022
dc.authorwosidzhang, jin/IXD-9872-2023
dc.authorwosidYang, Tian/JFB-1008-2023
dc.authorwosidWang, Jinguo/JED-9233-2023
dc.authorwosidVentura, Andrea/CAH-0226-2022
dc.authorwosidBenekos, Nektarios/J-8629-2017
dc.authorwosidZivkovic, Lidija/HGA-8150-2022
dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D. C.
dc.contributor.authorAbud, A. Abed
dc.contributor.authorAbeling, K.
dc.contributor.authorAbhayasinghe, D. K.
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2024-07-18T20:47:44Z
dc.date.available2024-07-18T20:47:44Z
dc.date.issued2021
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractThe production cross-section of a top quark in association with a W boson is measured using proton-proton collisions at root s = 8 TeV. The dataset corresponds to an integrated luminosity of 20.2 fb(-1,) and was collected in 2012 by the ATLAS detector at the Large Hadron Collider at CERN. The analysis is performed in the single-lepton channel. Events are selected by requiring one isolated lepton (electron or muon) and at least three jets. A neural network is trained to separate the tW signal from the dominant t (t) over bar background. The cross-section is extracted from a binned profile maximum-likelihood fit to a two-dimensional discriminant built from the neural-network output and the invariant mass of the hadronically decaying W boson. The measured crosssection is sigma(tW) = 26 +/- 7 pb, in good agreement with the Standard Model expectation.en_US
dc.description.sponsorshipCERN; ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW; FWF, Austria; ANAS; SSTC, Belarus; CNPq; FAPESP, Brazil; NSERC; CFI, Canada; NSFC, China; COLCIENCIAS, Colombia; MSMT CR; MPO CR; VSC CR, Czech Republic; DNRF; DNSRC, Denmark; IN2P3-CNRS; CEA-DRF/IRFU, France; BMBF; MPG, Germany; GSRT, Greece; RGC and Hong Kong SAR, China; ISF; Benoziyo Center, Israel; INFN, Italy; MEXT; JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW; NCN, Poland; FCT, Portugal; MNE/IFA, Romania; Russian Federation; MESTD, Serbia; MSSR, Slovakia; ARRS; MIZS, Slovenia; MICINN, Spain; SRC; Wallenberg Foundation, Sweden; SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; CANARIE; ComputeCanada; Beijing Municipal Science & Technology Commission, China; COST, ERC; ERDF; Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex, Investissements d'Avenir Idex; ANR, France; DFG; AvH Foundation, Germany - EU-ESF; Greek NSRF, Greece; BSF-NSF; GIF, Israel; La Caixa Banking Foundation; CERCA Programme Generalitat de Catalunya; PROMETEO; Generalitat Valenciana, Spain; Goran Gustafssons Stiftelse, Sweden; Royal Society; Leverhulme Trust, United Kingdom; NDGF (Denmark, Norway, Sweden); KIT/GridKA (Germany); INFN-CNAF (Italy); NL-T1 (Netherlands), PIC (Spain); ASGC (Taiwan); BNL (USA); Science and Technology Facilities Council [ST/S000879/1] Funding Source: researchfishen_US
dc.description.sponsorshipWe thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; ANID, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS and CEA-DRF/IRFU, France; SRNSFG, Georgia; BMBF, HGF and MPG, Germany; GSRT, Greece; RGC and Hong Kong SAR, China; ISF and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; JINR; MESofRussia andNRCKI, Russian Federation; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOEandNSF, USA. In addition, individual groups andmembers have received support fromBCKDF, CANARIE, ComputeCanada, CRC and IVADO, Canada; Beijing Municipal Science & Technology Commission, China; COST, ERC, ERDF, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex, Investissements d'Avenir Idex and ANR, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF, Greece; BSF-NSF and GIF, Israel; La Caixa Banking Foundation, CERCA Programme Generalitat de Catalunya and PROMETEO and GenT Programmes Generalitat Valenciana, Spain; Goran Gustafssons Stiftelse, Sweden; The Royal Society and Leverhulme Trust, United Kingdom. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN, the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA), the Tier-2 facilities worldwide and large non-WLCG resource providers. Major contributors of computing resources are listed in Ref. [78].en_US
dc.identifier.doi10.1140/epjc/s10052-021-09371-7
dc.identifier.issn1434-6044
dc.identifier.issn1434-6052
dc.identifier.issue8en_US
dc.identifier.scopus2-s2.0-85112563688en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052-021-09371-7
dc.identifier.urihttps://hdl.handle.net/11411/7909
dc.identifier.volume81en_US
dc.identifier.wosWOS:000683750400006en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÇetin, Serkant Ali
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofEuropean Physical Journal Cen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectParton Distributionsen_US
dc.titleMeasurement of single top-quark production in association with a W boson in the single-lepton channel at ?s=8 TeV with the ATLAS detectoren_US
dc.typeArticleen_US

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