Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector

G. Aad; B. Abbott; Mogens Dam; Jørgen Beck Hansen; Peter Henrik Hansen; John Renner Hansen; Morten Dam Jørgensen; Jørn Dines Hansen; Ask Emil Løvschall-Jensen; Nele Maria Philomena Boelaert; Simon Johann Franz Heisterkamp; Sascha Mehlhase; Esben Bryndt Klinkby; Björn Stefan Nilsson; Troels Christian Petersen; Stefania Xella

doi:10.1016/j.physletb.2012.09.020

Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector

G. Aad, B. Abbott, Mogens Dam, Jørgen Beck Hansen, Peter Henrik Hansen, John Renner Hansen, Morten Dam Jørgensen, Jørn Dines Hansen, Ask Emil Løvschall-Jensen, Nele Maria Philomena Boelaert, Simon Johann Franz Heisterkamp, Sascha Mehlhase, Esben Bryndt Klinkby, Björn Stefan Nilsson, Troels Christian Petersen, Stefania Xella

Eksperimentel subatomar fysik

7 Citationer (Scopus)

Abstract

A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ⁺ℓ⁻qq¯, where ℓ=e or μ, is presented. The search uses a data set of pp collisions at s=7 TeV, corresponding to an integrated luminosity of 4.7 fb⁻¹ collected in 2011 by the ATLAS detector at the CERN LHC. No significant excess of events above the estimated background is found. Upper limits at 95% confidence level on the production cross section of a Higgs boson with a mass in the range between 200 and 600 GeV are derived. A Standard Model Higgs boson with a mass in the range 300 GeV⩽m_H⩽322 GeV or 353 GeV⩽m_H⩽410 GeV is excluded at 95% CL. The corresponding expected exclusion range is 351 GeV⩽m_H⩽404 GeV at 95% CL.

Originalsprog	Engelsk
Tidsskrift	Physics Letters B
Vol/bind	717
Udgave nummer	1-3
Sider (fra-til)	70-88
ISSN	0370-2693
DOI	https://doi.org/10.1016/j.physletb.2012.09.020
Status	Udgivet - 22 okt. 2012

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10.1016/j.physletb.2012.09.020

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Aad, G., Abbott, B., Dam, M., Hansen, J. B., Hansen, P. H., Hansen, J. R., Jørgensen, M. D., Hansen, J. D., Løvschall-Jensen, A. E., Boelaert, N. M. P., Heisterkamp, S. J. F., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, T. C., & Xella, S. (2012). Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector. Physics Letters B, 717(1-3), 70-88. https://doi.org/10.1016/j.physletb.2012.09.020

Aad, G, Abbott, B, Dam, M , Hansen, JB , Hansen, PH , Hansen, JR, Jørgensen, MD, Hansen, JD, Løvschall-Jensen, AE, Boelaert, NMP, Heisterkamp, SJF, Mehlhase, S, Klinkby, EB, Nilsson, BS, Petersen, TC & Xella, S 2012, 'Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector', Physics Letters B, bind 717, nr. 1-3, s. 70-88. https://doi.org/10.1016/j.physletb.2012.09.020

@article{5c65b41929564139a5259ca8721ee2e1,

title = "Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector",

abstract = "A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ−qq¯, where ℓ=e or μ, is presented. The search uses a data set of pp collisions at s=7 TeV, corresponding to an integrated luminosity of 4.7 fb−1 collected in 2011 by the ATLAS detector at the CERN LHC. No significant excess of events above the estimated background is found. Upper limits at 95% confidence level on the production cross section of a Higgs boson with a mass in the range between 200 and 600 GeV are derived. A Standard Model Higgs boson with a mass in the range 300 GeV⩽mH⩽322 GeV or 353 GeV⩽mH⩽410 GeV is excluded at 95% CL. The corresponding expected exclusion range is 351 GeV⩽mH⩽404 GeV at 95% CL.",

author = "G. Aad and B. Abbott and Mogens Dam and Hansen, {J{\o}rgen Beck} and Hansen, {Peter Henrik} and Hansen, {John Renner} and J{\o}rgensen, {Morten Dam} and Hansen, {J{\o}rn Dines} and L{\o}vschall-Jensen, {Ask Emil} and Boelaert, {Nele Maria Philomena} and Heisterkamp, {Simon Johann Franz} and Sascha Mehlhase and Klinkby, {Esben Bryndt} and Nilsson, {Bj{\"o}rn Stefan} and Petersen, {Troels Christian} and Stefania Xella",

year = "2012",

month = oct,

day = "22",

doi = "10.1016/j.physletb.2012.09.020",

language = "English",

volume = "717",

pages = "70--88",

journal = "Physics Letters B: Particle Physics, Nuclear Physics and Cosmology",

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TY - JOUR

T1 - Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector

AU - Aad, G.

AU - Abbott, B.

AU - Dam, Mogens

AU - Hansen, Jørgen Beck

AU - Hansen, Peter Henrik

AU - Hansen, John Renner

AU - Jørgensen, Morten Dam

AU - Hansen, Jørn Dines

AU - Løvschall-Jensen, Ask Emil

AU - Boelaert, Nele Maria Philomena

AU - Heisterkamp, Simon Johann Franz

AU - Mehlhase, Sascha

AU - Klinkby, Esben Bryndt

AU - Nilsson, Björn Stefan

AU - Petersen, Troels Christian

AU - Xella, Stefania

PY - 2012/10/22

Y1 - 2012/10/22

N2 - A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ−qq¯, where ℓ=e or μ, is presented. The search uses a data set of pp collisions at s=7 TeV, corresponding to an integrated luminosity of 4.7 fb−1 collected in 2011 by the ATLAS detector at the CERN LHC. No significant excess of events above the estimated background is found. Upper limits at 95% confidence level on the production cross section of a Higgs boson with a mass in the range between 200 and 600 GeV are derived. A Standard Model Higgs boson with a mass in the range 300 GeV⩽mH⩽322 GeV or 353 GeV⩽mH⩽410 GeV is excluded at 95% CL. The corresponding expected exclusion range is 351 GeV⩽mH⩽404 GeV at 95% CL.

AB - A search for a heavy Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ−qq¯, where ℓ=e or μ, is presented. The search uses a data set of pp collisions at s=7 TeV, corresponding to an integrated luminosity of 4.7 fb−1 collected in 2011 by the ATLAS detector at the CERN LHC. No significant excess of events above the estimated background is found. Upper limits at 95% confidence level on the production cross section of a Higgs boson with a mass in the range between 200 and 600 GeV are derived. A Standard Model Higgs boson with a mass in the range 300 GeV⩽mH⩽322 GeV or 353 GeV⩽mH⩽410 GeV is excluded at 95% CL. The corresponding expected exclusion range is 351 GeV⩽mH⩽404 GeV at 95% CL.

U2 - 10.1016/j.physletb.2012.09.020

DO - 10.1016/j.physletb.2012.09.020

M3 - Journal article

SN - 0370-2693

VL - 717

SP - 70

EP - 88

JO - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

JF - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

IS - 1-3

ER -

Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector

Abstract

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