Measurement of dijet production with a veto on additional central jet activity in pp collisions at √s = 7TeV using the ATLAS detector

ATLAS Collaboration

doi:10.1007/JHEP09(2011)053

Measurement of dijet production with a veto on additional central jet activity in pp collisions at √s = 7TeV using the ATLAS detector

ATLAS Collaboration

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Kyoto University of Education
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York University Toronto
Turkish Atomic Energy Authority
Gazi University

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Resumen

A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20GeV is found between the two boundary jets. The fraction of dijet events that survive the jet veto is presented for boundary jets that are separated by up to six units of rapidity and with mean transverse momentum 50 < p_T < 500GeV. The mean multiplicity of jets above the veto scale in the rapidity interval bounded by the dijet system is also presented as an alternative method for quantifying perturbative QCD emission. The data are compared to a next-to-leading order plus parton shower prediction from the powheg-box, an all-order resummation using the hej calculation and the pythia, herwig++ and alpgen event generators. The measurement was performed using pp collisions at √s = 7TeV using data recorded by the ATLAS detector in 2010.

Idioma original	Inglés
Número de artículo	53
Páginas (desde-hasta)	1-36
Número de páginas	36
Publicación	Journal of High Energy Physics
Volumen	2011
N.º	9
DOI	https://doi.org/10.1007/JHEP09(2011)053
Estado	Publicada - sept 2011
Publicado de forma externa	Sí

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title = "Measurement of dijet production with a veto on additional central jet activity in pp collisions at √s = 7TeV using the ATLAS detector",

abstract = "A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20GeV is found between the two boundary jets. The fraction of dijet events that survive the jet veto is presented for boundary jets that are separated by up to six units of rapidity and with mean transverse momentum 50 < pT < 500GeV. The mean multiplicity of jets above the veto scale in the rapidity interval bounded by the dijet system is also presented as an alternative method for quantifying perturbative QCD emission. The data are compared to a next-to-leading order plus parton shower prediction from the powheg-box, an all-order resummation using the hej calculation and the pythia, herwig++ and alpgen event generators. The measurement was performed using pp collisions at √s = 7TeV using data recorded by the ATLAS detector in 2010.",

keywords = "Hadron-hadron scattering",

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

note = "Publisher Copyright: {\textcopyright} CERN, for the benefit of the ATLAS collaboration.",

year = "2011",

month = sep,

doi = "10.1007/JHEP09(2011)053",

language = "English",

volume = "2011",

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T1 - Measurement of dijet production with a veto on additional central jet activity in pp collisions at √s = 7TeV using the ATLAS detector

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdelalim, A. A.

AU - Kabana, S.

AU - ATLAS Collaboration

N1 - Publisher Copyright: © CERN, for the benefit of the ATLAS collaboration.

PY - 2011/9

Y1 - 2011/9

N2 - A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20GeV is found between the two boundary jets. The fraction of dijet events that survive the jet veto is presented for boundary jets that are separated by up to six units of rapidity and with mean transverse momentum 50 < pT < 500GeV. The mean multiplicity of jets above the veto scale in the rapidity interval bounded by the dijet system is also presented as an alternative method for quantifying perturbative QCD emission. The data are compared to a next-to-leading order plus parton shower prediction from the powheg-box, an all-order resummation using the hej calculation and the pythia, herwig++ and alpgen event generators. The measurement was performed using pp collisions at √s = 7TeV using data recorded by the ATLAS detector in 2010.

AB - A measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20GeV is found between the two boundary jets. The fraction of dijet events that survive the jet veto is presented for boundary jets that are separated by up to six units of rapidity and with mean transverse momentum 50 < pT < 500GeV. The mean multiplicity of jets above the veto scale in the rapidity interval bounded by the dijet system is also presented as an alternative method for quantifying perturbative QCD emission. The data are compared to a next-to-leading order plus parton shower prediction from the powheg-box, an all-order resummation using the hej calculation and the pythia, herwig++ and alpgen event generators. The measurement was performed using pp collisions at √s = 7TeV using data recorded by the ATLAS detector in 2010.

KW - Hadron-hadron scattering

UR - https://www.scopus.com/pages/publications/80053151133

U2 - 10.1007/JHEP09(2011)053

DO - 10.1007/JHEP09(2011)053

M3 - Article

AN - SCOPUS:80053151133

SN - 1126-6708

VL - 2011

SP - 1

EP - 36

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 9

M1 - 53

ER -

Measurement of dijet production with a veto on additional central jet activity in pp collisions at √s = 7TeV using the ATLAS detector

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