Search for Higgs boson off-shell production in proton-proton collisions at 7 and 8 TeV and derivation of constraints on its total decay width

CMSC The; V Khachatryan; A M Sirunyan; A Tumasyan; W Adam; E Asilar; T Bergauer; J Brandstetter; E Brondolin; M Dragicevic; J Erö; M Flechl; M Friedl; R Frühwirth; V M Ghete; C Hartl; N Hörmann; J Hrubec; M Jeitler; A König; M Krammer; I Krätschmer; D Liko; T Matsushita; I Mikulec; D Rabady; N Rad; B Rahbaran; H Rohringer; J Schieck; R Schöfbeck; J Strauss; W Treberer-Treberspurg; W Waltenberger; C E Wulz; V Mossolov; N Shumeiko; J Suarez Gonzalez; S Alderweireldt; T Cornelis; E A De Wolf; X Janssen; A Knutsson; J Lauwers; S Luyckx; M Van De Klundert; H Van Haevermaet; P Van Mechelen; N Van Remortel; A Van Spilbeeck; S Abu Zeid; F Blekman; J D Hondt; N Daci; I De Bruyn; K Deroover; N Heracleous; J Keaveney; S Lowette; S Moortgat; L Moreels; A Olbrechts; Q Python; D Strom; S Tavernier; W Van Doninck; P Van Mulders; I Van Parijs; H Brun; C Caillol; B Clerbaux; G De Lentdecker; G Fasanella; L Favart; R Goldouzian; A Grebenyuk; G Karapostoli; T Lenzi; A Léonard; T Maerschalk; A Marinov; A Randle-conde; T Seva; C Vander Velde; P Vanlaer; R Yonamine; F Zenoni; F Zhang; L Benucci; A Cimmino; S Crucy; D Dobur; A Fagot; G Garcia; Michael Y. Wang

doi:10.1007/JHEP09(2016)051

Journal article

Search for Higgs boson off-shell production in proton-proton collisions at 7 and 8 TeV and derivation of constraints on its total decay width

CMSC The, V Khachatryan, A M Sirunyan, A Tumasyan, W Adam, E Asilar, T Bergauer, J Brandstetter, E Brondolin, M Dragicevic, …

2016-09-01

DOI: https://doi.org/10.1007/JHEP09(2016)051

Abstract

A search is presented for the Higgs boson off-shell production in gluon fusion and vector boson fusion processes with the Higgs boson decaying into a W+W− pair and the W bosons decaying leptonically. The data observed in this analysis are used to constrain the Higgs boson total decay width. The analysis is based on the data collected by the CMS experiment at the LHC, corresponding to integrated luminosities of 4.9 fb−1 at a centre-of-mass energy of 7 TeV and 19.4 fb−1 at 8 TeV, respectively. An observed (expected) upper limit on the off-shell Higgs boson event yield normalised to the standard model prediction of 2.4 (6.2) is obtained at the 95% CL for the gluon fusion process and of 19.3 (34.4) for the vector boson fusion process. Observed and expected limits on the total width of 26 and 66 MeV are found, respectively, at the 95% confidence level (CL). These limits are combined with the previous result in the ZZ channel leading to observed and expected 95% CL upper limits on the width of 13 and 26 MeV, respectively.

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 5 Physics; 5.9 Particles & Fields; 5.9.19 Standard Model
Web Of Science research areas: Physics, Particles & Fields
ESI research areas: Physics

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Details

Title: Search for Higgs boson off-shell production in proton-proton collisions at 7 and 8 TeV and derivation of constraints on its total decay width
Creators: CMSC The
V Khachatryan - Alikhanyan National Laboratory
A M Sirunyan - Alikhanyan National Laboratory
A Tumasyan - Alikhanyan National Laboratory
W Adam
E Asilar
T Bergauer
J Brandstetter
E Brondolin
M Dragicevic
J Erö
M Flechl
M Friedl
R Frühwirth - TU Wien
V M Ghete
C Hartl
N Hörmann
J Hrubec
M Jeitler - TU Wien
A König
M Krammer - TU Wien
I Krätschmer
D Liko
T Matsushita
I Mikulec
D Rabady
N Rad
B Rahbaran
H Rohringer
J Schieck - TU Wien
R Schöfbeck
J Strauss
W Treberer-Treberspurg
W Waltenberger
C E Wulz - TU Wien
V Mossolov
N Shumeiko
J Suarez Gonzalez
S Alderweireldt - University of Antwerp
T Cornelis - University of Antwerp
E A De Wolf - University of Antwerp
X Janssen - University of Antwerp
A Knutsson - University of Antwerp
J Lauwers - University of Antwerp
S Luyckx - University of Antwerp
M Van De Klundert - University of Antwerp
H Van Haevermaet - University of Antwerp
P Van Mechelen - University of Antwerp
N Van Remortel - University of Antwerp
A Van Spilbeeck - University of Antwerp
S Abu Zeid - Vrije Universiteit Brussel
F Blekman - Vrije Universiteit Brussel
J D Hondt
N Daci - Vrije Universiteit Brussel
I De Bruyn - Vrije Universiteit Brussel
K Deroover - Vrije Universiteit Brussel
N Heracleous - Vrije Universiteit Brussel
J Keaveney - Vrije Universiteit Brussel
S Lowette - Vrije Universiteit Brussel
S Moortgat - Vrije Universiteit Brussel
L Moreels - Vrije Universiteit Brussel
A Olbrechts - Vrije Universiteit Brussel
Q Python - Vrije Universiteit Brussel
D Strom - Vrije Universiteit Brussel
S Tavernier - Vrije Universiteit Brussel
W Van Doninck - Vrije Universiteit Brussel
P Van Mulders - Vrije Universiteit Brussel
I Van Parijs - Vrije Universiteit Brussel
H Brun - Université Libre de Bruxelles
C Caillol - Université Libre de Bruxelles
B Clerbaux - Université Libre de Bruxelles
G De Lentdecker - Université Libre de Bruxelles
G Fasanella - Université Libre de Bruxelles
L Favart - Université Libre de Bruxelles
R Goldouzian - Université Libre de Bruxelles
A Grebenyuk - Université Libre de Bruxelles
G Karapostoli - Université Libre de Bruxelles
T Lenzi - Université Libre de Bruxelles
A Léonard - Université Libre de Bruxelles
T Maerschalk - Université Libre de Bruxelles
A Marinov - Université Libre de Bruxelles
A Randle-conde - Université Libre de Bruxelles
T Seva - Université Libre de Bruxelles
C Vander Velde
P Vanlaer - Université Libre de Bruxelles
R Yonamine - Université Libre de Bruxelles
F Zenoni - Université Libre de Bruxelles
F Zhang - Peking University
L Benucci - Ghent University
A Cimmino - Ghent University
S Crucy - Ghent University
D Dobur - Ghent University
A Fagot - Ghent University
G Garcia - Ghent University
Michael Y. Wang - UMMG Dept of Neurological Surgery
Academic Unit: UMMG Dept of Neurological Surgery; Miller School of Medicine
Language: English
Resource Type: Journal article
Record Identifier: 991031740032602976