Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector

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

doi:10.1103/PhysRevD.86.012007

Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector

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

35 Citationer (Scopus)

Abstract

A search is presented for heavy-quark pair production (QQ̄) under the decay hypothesis QQ̄→W⁺qW^-q̄ with q=d, s, b for up-type Q or q=u, c for down-type Q. The search is performed with 1.04fb^-1 of integrated luminosity from pp collisions at √s=7TeV collected by the ATLAS detector at the CERN LHC. Dilepton final states are selected, requiring large missing transverse momentum and at least two jets. Mass reconstruction of heavy-quark candidates is performed by assuming that the W boson decay products are nearly collinear. The data are in agreement with standard model expectations; a heavy quark with mass less than 350 GeV is excluded at 95% confidence level.

Originalsprog	Engelsk
Tidsskrift	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Vol/bind	86
Udgave nummer	1
Sider (fra-til)	012007
Antal sider	24
ISSN	1550-7998
DOI	https://doi.org/10.1103/PhysRevD.86.012007
Status	Udgivet - 23 jul. 2012

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10.1103/PhysRevD.86.012007

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Aad, G., Dam, M., Boelaert, N. M. P., Hansen, J. B., Hansen, P. H., Hansen, J. D., Hansen, J. R., Heisterkamp, S. J. F., Jørgensen, M. D., Mehlhase, S., Klinkby, E. B., Nilsson, B. S., Petersen, T. C., Løvschall-Jensen, A. E., & Xella, S. (2012). Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector. Physical Review D (Particles, Fields, Gravitation and Cosmology), 86(1), 012007. https://doi.org/10.1103/PhysRevD.86.012007

Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector. / Aad, G.; Dam, Mogens; Boelaert, Nele Maria Philomena et al.
I: Physical Review D (Particles, Fields, Gravitation and Cosmology), Bind 86, Nr. 1, 23.07.2012, s. 012007.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

Aad, G, Dam, M, Boelaert, NMP, Hansen, JB , Hansen, PH , Hansen, JD , Hansen, JR, Heisterkamp, SJF, Jørgensen, MD, Mehlhase, S, Klinkby, EB, Nilsson, BS, Petersen, TC, Løvschall-Jensen, AE & Xella, S 2012, 'Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector', Physical Review D (Particles, Fields, Gravitation and Cosmology), bind 86, nr. 1, s. 012007. https://doi.org/10.1103/PhysRevD.86.012007

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title = "Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector",

abstract = "A search is presented for heavy-quark pair production (Q{\=Q}) under the decay hypothesis Q{\=Q}→W+qW-{\=q} with q=d, s, b for up-type Q or q=u, c for down-type Q. The search is performed with 1.04fb-1 of integrated luminosity from pp collisions at √s=7TeV collected by the ATLAS detector at the CERN LHC. Dilepton final states are selected, requiring large missing transverse momentum and at least two jets. Mass reconstruction of heavy-quark candidates is performed by assuming that the W boson decay products are nearly collinear. The data are in agreement with standard model expectations; a heavy quark with mass less than 350 GeV is excluded at 95% confidence level.",

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

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doi = "10.1103/PhysRevD.86.012007",

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T1 - Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector

AU - Aad, G.

AU - Dam, Mogens

AU - Boelaert, Nele Maria Philomena

AU - Hansen, Jørgen Beck

AU - Hansen, Peter Henrik

AU - Hansen, Jørn Dines

AU - Hansen, John Renner

AU - Heisterkamp, Simon Johann Franz

AU - Jørgensen, Morten Dam

AU - Mehlhase, Sascha

AU - Klinkby, Esben Bryndt

AU - Nilsson, Björn Stefan

AU - Petersen, Troels Christian

AU - Løvschall-Jensen, Ask Emil

AU - Xella, Stefania

PY - 2012/7/23

Y1 - 2012/7/23

N2 - A search is presented for heavy-quark pair production (QQ̄) under the decay hypothesis QQ̄→W+qW-q̄ with q=d, s, b for up-type Q or q=u, c for down-type Q. The search is performed with 1.04fb-1 of integrated luminosity from pp collisions at √s=7TeV collected by the ATLAS detector at the CERN LHC. Dilepton final states are selected, requiring large missing transverse momentum and at least two jets. Mass reconstruction of heavy-quark candidates is performed by assuming that the W boson decay products are nearly collinear. The data are in agreement with standard model expectations; a heavy quark with mass less than 350 GeV is excluded at 95% confidence level.

AB - A search is presented for heavy-quark pair production (QQ̄) under the decay hypothesis QQ̄→W+qW-q̄ with q=d, s, b for up-type Q or q=u, c for down-type Q. The search is performed with 1.04fb-1 of integrated luminosity from pp collisions at √s=7TeV collected by the ATLAS detector at the CERN LHC. Dilepton final states are selected, requiring large missing transverse momentum and at least two jets. Mass reconstruction of heavy-quark candidates is performed by assuming that the W boson decay products are nearly collinear. The data are in agreement with standard model expectations; a heavy quark with mass less than 350 GeV is excluded at 95% confidence level.

U2 - 10.1103/PhysRevD.86.012007

DO - 10.1103/PhysRevD.86.012007

M3 - Journal article

SN - 1550-7998

VL - 86

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JO - Physical Review D (Particles, Fields, Gravitation and Cosmology)

JF - Physical Review D (Particles, Fields, Gravitation and Cosmology)

IS - 1

ER -

Search for pair-produced heavy quarks decaying to Wq in the two-lepton channel at v(s)=7¿¿TeV with the ATLAS detector

Abstract

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