Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector

ATLAS Collaboration

doi:10.1016/j.physletb.2012.10.061

Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector

ATLAS Collaboration

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Azerbaijan National Academy of Sciences
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Tel Aviv University
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Abdus Salam International Centre for Theoretical Physics
AGH University of Krakow
United States Department of Energy
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Yale University
Ludwig Maximilian University of Munich
Queen Mary University of London
Rutherford Appleton Laboratory
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Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
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National Technical University of Athens
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University of Pennsylvania
University of Birmingham
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Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
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Turkish Atomic Energy Authority
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Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

This Letter presents the results of a direct search with the ATLAS detector at the LHC for a Standard Model Higgs boson of mass 110⩽m_H⩽130 GeV produced in association with a W or Z boson and decaying to bb¯. Three decay channels are considered: ZH→ℓ⁺ℓ⁻bb¯ WH→ℓνbb¯ and ZH→νν¯bb¯ where ℓ corresponds to an electron or a muon. No evidence for Higgs boson production is observed in a dataset of 7 TeV pp collisions corresponding to 4.7 fb⁻¹ of integrated luminosity collected by ATLAS in 2011. Exclusion limits on Higgs boson production, at the 95% confidence level, of 2.5 to 5.5 times the Standard Model cross section are obtained in the mass range 110–130 GeV. The expected exclusion limits range between 2.5 and 4.9 for the same mass interval.

Original language	English
Pages (from-to)	369-390
Number of pages	22
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	718
Issue number	2
DOIs	https://doi.org/10.1016/j.physletb.2012.10.061
State	Published - 5 Dec 2012
Externally published	Yes

Keywords

ATLAS
LHC
Standard Model Higgs boson

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10.1016/j.physletb.2012.10.061

Cite this

@article{c4e4aca8a7fd401b95fda8388ed63f35,

title = "Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector",

abstract = "This Letter presents the results of a direct search with the ATLAS detector at the LHC for a Standard Model Higgs boson of mass 110⩽mH⩽130 GeV produced in association with a W or Z boson and decaying to bb¯. Three decay channels are considered: ZH→ℓ+ℓ−bb¯ WH→ℓνbb¯ and ZH→νν¯bb¯ where ℓ corresponds to an electron or a muon. No evidence for Higgs boson production is observed in a dataset of 7 TeV pp collisions corresponding to 4.7 fb−1 of integrated luminosity collected by ATLAS in 2011. Exclusion limits on Higgs boson production, at the 95\% confidence level, of 2.5 to 5.5 times the Standard Model cross section are obtained in the mass range 110–130 GeV. The expected exclusion limits range between 2.5 and 4.9 for the same mass interval.",

keywords = "ATLAS, LHC, Standard Model Higgs boson",

author = "G. Aad and B. Abbott and J. Abdallah and \{Abdel Khalek\}, S. and S. Kabana and \{ATLAS Collaboration\}",

note = "Publisher Copyright: {\textcopyright} 2012 CERN",

year = "2012",

month = dec,

day = "5",

doi = "10.1016/j.physletb.2012.10.061",

language = "English",

volume = "718",

pages = "369--390",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

number = "2",

}

TY - JOUR

T1 - Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdel Khalek, S.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2012/12/5

Y1 - 2012/12/5

N2 - This Letter presents the results of a direct search with the ATLAS detector at the LHC for a Standard Model Higgs boson of mass 110⩽mH⩽130 GeV produced in association with a W or Z boson and decaying to bb¯. Three decay channels are considered: ZH→ℓ+ℓ−bb¯ WH→ℓνbb¯ and ZH→νν¯bb¯ where ℓ corresponds to an electron or a muon. No evidence for Higgs boson production is observed in a dataset of 7 TeV pp collisions corresponding to 4.7 fb−1 of integrated luminosity collected by ATLAS in 2011. Exclusion limits on Higgs boson production, at the 95% confidence level, of 2.5 to 5.5 times the Standard Model cross section are obtained in the mass range 110–130 GeV. The expected exclusion limits range between 2.5 and 4.9 for the same mass interval.

AB - This Letter presents the results of a direct search with the ATLAS detector at the LHC for a Standard Model Higgs boson of mass 110⩽mH⩽130 GeV produced in association with a W or Z boson and decaying to bb¯. Three decay channels are considered: ZH→ℓ+ℓ−bb¯ WH→ℓνbb¯ and ZH→νν¯bb¯ where ℓ corresponds to an electron or a muon. No evidence for Higgs boson production is observed in a dataset of 7 TeV pp collisions corresponding to 4.7 fb−1 of integrated luminosity collected by ATLAS in 2011. Exclusion limits on Higgs boson production, at the 95% confidence level, of 2.5 to 5.5 times the Standard Model cross section are obtained in the mass range 110–130 GeV. The expected exclusion limits range between 2.5 and 4.9 for the same mass interval.

KW - ATLAS

KW - LHC

KW - Standard Model Higgs boson

UR - https://www.scopus.com/pages/publications/85042019743

U2 - 10.1016/j.physletb.2012.10.061

DO - 10.1016/j.physletb.2012.10.061

M3 - Article

AN - SCOPUS:85042019743

SN - 0370-2693

VL - 718

SP - 369

EP - 390

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 2

ER -

Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector

Abstract

Keywords

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