Measurements of properties of the Higgs boson decaying to a W boson pair in pp collisions at s=13TeV

Albert M. Sirunyan,Armen Tumasyan,Wolfgang Adam,Federico Ambrogi,Ece Aşılar,Thomas Bergauer,Johannes Brandstetter,Marko Dragicevic,Janos Erö,A. Escalante Del Valle,Martin Flechl,R. Frühwirth,Vasile Mihai Ghete,Josef Hrubec,Manfred Jeitler,Natascha Krammer,Ilse Krätschmer,Dietrich Liko,Thomas Madlener,Ivan Mikulec,Navid Rad,Herbert Rohringer,Jochen Schieck,Robert Schöfbeck,Markus Spanring,Daniel Spitzbart,Anton Taurok,Wolfgang Waltenberger,Johannes Wittmann,Claudia-Elisabeth Wulz,Mateusz Zarucki,Vladimir Chekhovsky,Vladimir Mossolov,J. Suarez Gonzalez,E. A. De Wolf,D. Di Croce,Xavier Janssen,Jasper Lauwers,Maxim Pieters,M. Van De Klundert,H. Van Haevermaet,P. Van Mechelen,N. Van Remortel,S. Abu Zeid,Freya Blekman,Jorgen D'Hondt,I. De Bruyn,J. De Clercq,Kevin Deroover,Giannis Flouris,Denys Lontkovskyi,Steven Lowette,Ivan Marchesini,Seth Moortgat,Lieselotte Moreels,Quentin Python,Kirill Skovpen,Stefaan Tavernier,W. Van Doninck,P. Van Mulders,I. Van Parijs,Diego Beghin,Bugra Bilin,Hugues Brun,Barbara Clerbaux,G. De Lentdecker,Hugo Delannoy,Brian Dorney,Giuseppe Fasanella,Laurent Favart,Reza Goldouzian,Anastasia Grebenyuk,Amandeep Kaur Kalsi,T. Lenzi,Jelena Luetic,Nicolas Postiau,Elizabeth Starling,Laurent Thomas,C. Vander Velde,Pascal Vanlaer,David Vannerom,Qian Wang,Tom Cornelis,Didar Dobur,Alexis Fagot,Muhammad Gul,Illia Khvastunov,Deniz Poyraz,Christos Roskas,Daniele Trocino,Michael Tytgat,Willem Verbeke,Basile Vermassen,Martina Vit,N. Zaganidis,Hamed Bakhshiansohi,Olivier Bondu,Sébastien Brochet,Giacomo Bruno,Claudio Caputo

Physics Letters B（2019）

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Abstract

Measurements of the production of the standard model Higgs boson decaying to a W boson pair are reported. The W+W− candidates are selected in events with an oppositely charged lepton pair, large missing transverse momentum, and various numbers of jets. To select Higgs bosons produced via vector boson fusion and associated production with a W or Z boson, events with two jets or three or four leptons are also selected. The event sample corresponds to an integrated luminosity of 35.9fb−1 , collected in pp collisions at s=13TeV by the CMS detector at the LHC during 2016. Combining all channels, the observed cross section times branching fraction is 1.28−0.17+0.18 times the standard model prediction for the Higgs boson with a mass of 125.09GeV . This is the first observation of the Higgs boson decay to W boson pairs by the CMS experiment.

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Key words

Higgs,WW

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