Measurement of the $W^+W^-$ production cross section in $pp$ collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV with the ATLAS experiment

M. Aaboud N. Berger 1 A.M. Burger 1 M. Delmastro 1 L. Di Ciaccio 1 S. Elles 1 K. Grevtsov 1 T. Guillemin 1 T. Hryn’ova 1 S. Jézéquel 1 I. Koletsou 1 R. Lafaye 1 Jérémy Lévêque 1 P. Mastrandea 1 E. Sauvan 1 B.H. Smart 1 T. Todorov 1 I. Wingerter-Seez 1 E. Yatsenko 1 D. Boumediene 2 E. Busato 2 D. Calvet 2 S. Calvet 2 A.R. Chomont 2 J. Donini 2 S. Ganguly 2 Ph. Gris 2 R. Madar 2 D. Pallin 2 S.M. Romano Saez 2 C. Santoni 2 D. Simon 2 F. Vazeille 2 S. Albrand 3 S. Berlendis 3 A. Bethani 3 C. Camincher 3 J. Collot 3 S. Crépé-Renaudin 3 P.A. Delsart 3 C. Gabaldon 3 M.H. Genest 3 P.O.J. Gradin 3 J.Y. Hostachy 3 F. Ledroit-Guillon 3 A. Lleres 3 A. Lucotte 3 F. Malek 3 E. Petit 3 J. Stark 3 B. Trocmé 3 M. Wu 3 G. Aad 4 M. Alstaty 4 M. Barbero 4 A. Calandri 4 T.P. Calvet 4 Y. Coadou 4 C. Diaconu 4 F. Djama 4 V. Ellajosyula 4 L. Feligioni 4 A. Hadef 4 G.D. Hallewell 4 F. Hubaut 4 S.J. Kahn 5 E. B. F. G. Knoops 4 E. Le Guirriec 4 K. Liu 4 D. Madaffari 4 E. Monnier 4 S. Muanza 4 E. Nagy 4 P. Pralavorio 4 Y. Rodina 6, 4 A. Rozanov 4 M. Talby 4 T. Theveneaux-Pelzer 4 R.E. Ticse Torres 4 S. Tisserant 4 J. Toth 7, 4 F. Touchard 4 L. Vacavant 4 R. Wolff 4
Abstract : The production of opposite-charge $W$-boson pairs in proton-proton collisions at $\sqrt{s}$ = 13 TeV is measured using data corresponding to 3.16 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector at the CERN Large Hadron Collider in 2015. Candidate $W$-boson pairs are selected by identifying their leptonic decays into an electron, a muon and neutrinos. Events with reconstructed jets are not included in the candidate event sample. The cross-section measurement is performed in a fiducial phase space close to the experimental acceptance and is compared to theoretical predictions. Agreement is found between the measurement and the most accurate calculations available.
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M. Aaboud, N. Berger, A.M. Burger, M. Delmastro, L. Di Ciaccio, et al.. Measurement of the $W^+W^-$ production cross section in $pp$ collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV with the ATLAS experiment. Physics Letters B, Elsevier, 2017, 773, pp.354-374. ⟨10.1016/j.physletb.2017.08.047⟩. ⟨in2p3-01471973⟩

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