Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector

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

doi:10.1140/epjc/s10052-011-1728-9

Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector

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

38 Citationer (Scopus)

Abstract

A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb^-1 collected by the ATLAS detector in 2010. Several Higgs boson decay channels: H→γγ, H→ZZ^(*)→ℓℓℓℓ, H→ZZ→ℓℓνν, H→ZZ→ℓℓqq, H→WW^(*)→ℓνℓν and H→WW→ℓνqq (ℓ is e, μ) are combined in a mass range from 110 GeV to 600 GeV. The highest sensitivity is achieved in the mass range between 160 GeV and 170 GeV, where the expected 95% CL exclusion sensitivity is at Higgs boson production cross sections 2. 3 times the Standard Model prediction. Upper limits on the cross section for its production are determined. Models with a fourth generation of heavy leptons and quarks with Standard Model-like couplings to the Higgs boson are also investigated and are excluded at 95% CL for a Higgs boson mass in the range from 140 GeV to 185 GeV.

Originalsprog	Engelsk
Tidsskrift	European Physical Journal C
Vol/bind	71
Udgave nummer	9
Sider (fra-til)	1728
ISSN	1434-6044
DOI	https://doi.org/10.1140/epjc/s10052-011-1728-9
Status	Udgivet - 1 sep. 2011

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10.1140/epjc/s10052-011-1728-9

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Aad...[et al.], G., Abbott, B., Abdallah, J., Dam, M., Hansen, J. B., Hansen, J. D., Hansen, J. R., Hansen, P. H., Klinkby, E. B., Jørgensen, M. D., Petersen, T. C., Xella, S., Boelaert, N. M. P., Kittelmann, T. H., Nilsson, B. S., Heisterkamp, S. J. F., Mehlhase, S., & Løvschall-Jensen, A. E. (2011). Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector. European Physical Journal C, 71(9), 1728. https://doi.org/10.1140/epjc/s10052-011-1728-9

Aad...[et al.], G, Abbott, B, Abdallah, J, Dam, M , Hansen, JB , Hansen, JD , Hansen, JR , Hansen, PH, Klinkby, EB, Jørgensen, MD, Petersen, TC , Xella, S, Boelaert, NMP, Kittelmann, TH, Nilsson, BS, Heisterkamp, SJF, Mehlhase, S & Løvschall-Jensen, AE 2011, 'Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector', European Physical Journal C, bind 71, nr. 9, s. 1728. https://doi.org/10.1140/epjc/s10052-011-1728-9

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abstract = "A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb-1 collected by the ATLAS detector in 2010. Several Higgs boson decay channels: H→γγ, H→ZZ(*)→ℓℓℓℓ, H→ZZ→ℓℓνν, H→ZZ→ℓℓqq, H→WW(*)→ℓνℓν and H→WW→ℓνqq (ℓ is e, μ) are combined in a mass range from 110 GeV to 600 GeV. The highest sensitivity is achieved in the mass range between 160 GeV and 170 GeV, where the expected 95% CL exclusion sensitivity is at Higgs boson production cross sections 2. 3 times the Standard Model prediction. Upper limits on the cross section for its production are determined. Models with a fourth generation of heavy leptons and quarks with Standard Model-like couplings to the Higgs boson are also investigated and are excluded at 95% CL for a Higgs boson mass in the range from 140 GeV to 185 GeV.",

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AU - Aad...[et al.], G.

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AU - Abdallah, J.

AU - Dam, Mogens

AU - Hansen, Jørgen Beck

AU - Hansen, Jørn Dines

AU - Hansen, John Renner

AU - Hansen, Peter Henrik

AU - Klinkby, Esben Bryndt

AU - Jørgensen, Morten Dam

AU - Petersen, Troels Christian

AU - Xella, Stefania

AU - Boelaert, Nele Maria Philomena

AU - Kittelmann, Thomas Høvring

AU - Nilsson, Björn Stefan

AU - Heisterkamp, Simon Johann Franz

AU - Mehlhase, Sascha

AU - Løvschall-Jensen, Ask Emil

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N2 - A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb-1 collected by the ATLAS detector in 2010. Several Higgs boson decay channels: H→γγ, H→ZZ(*)→ℓℓℓℓ, H→ZZ→ℓℓνν, H→ZZ→ℓℓqq, H→WW(*)→ℓνℓν and H→WW→ℓνqq (ℓ is e, μ) are combined in a mass range from 110 GeV to 600 GeV. The highest sensitivity is achieved in the mass range between 160 GeV and 170 GeV, where the expected 95% CL exclusion sensitivity is at Higgs boson production cross sections 2. 3 times the Standard Model prediction. Upper limits on the cross section for its production are determined. Models with a fourth generation of heavy leptons and quarks with Standard Model-like couplings to the Higgs boson are also investigated and are excluded at 95% CL for a Higgs boson mass in the range from 140 GeV to 185 GeV.

AB - A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb-1 collected by the ATLAS detector in 2010. Several Higgs boson decay channels: H→γγ, H→ZZ(*)→ℓℓℓℓ, H→ZZ→ℓℓνν, H→ZZ→ℓℓqq, H→WW(*)→ℓνℓν and H→WW→ℓνqq (ℓ is e, μ) are combined in a mass range from 110 GeV to 600 GeV. The highest sensitivity is achieved in the mass range between 160 GeV and 170 GeV, where the expected 95% CL exclusion sensitivity is at Higgs boson production cross sections 2. 3 times the Standard Model prediction. Upper limits on the cross section for its production are determined. Models with a fourth generation of heavy leptons and quarks with Standard Model-like couplings to the Higgs boson are also investigated and are excluded at 95% CL for a Higgs boson mass in the range from 140 GeV to 185 GeV.

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JO - European Physical Journal C

JF - European Physical Journal C

IS - 9

ER -

Limits on the production of the standard model Higgs boson in pp collisions at root s=7 TeV with the ATLAS detector

Abstract

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