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Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data

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Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data. / D0 Collaboration, The; Bertram, Iain; Borissov, Guennadi et al.
In: Physics Letters B, Vol. 690, No. 1, 07.06.2010, p. 5-14.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

D0 Collaboration, T, Bertram, I, Borissov, G, Fox, H, Williams, M, Ratoff, P, Love, P & Sopczak, A 2010, 'Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data', Physics Letters B, vol. 690, no. 1, pp. 5-14. https://doi.org/10.1016/j.physletb.2010.05.003

APA

D0 Collaboration, T., Bertram, I., Borissov, G., Fox, H., Williams, M., Ratoff, P., Love, P., & Sopczak, A. (2010). Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data. Physics Letters B, 690(1), 5-14. https://doi.org/10.1016/j.physletb.2010.05.003

Vancouver

D0 Collaboration T, Bertram I, Borissov G, Fox H, Williams M, Ratoff P et al. Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data. Physics Letters B. 2010 Jun 7;690(1):5-14. doi: 10.1016/j.physletb.2010.05.003

Author

D0 Collaboration, The ; Bertram, Iain ; Borissov, Guennadi et al. / Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data. In: Physics Letters B. 2010 ; Vol. 690, No. 1. pp. 5-14.

Bibtex

@article{2b44dbdfd8ce4ed7825c98ff4f398dcb,
title = "Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data",
abstract = "We present the first direct search for single top quark production using tau leptons. The search is based on 4.8 fb$^{-1}$ of integrated luminosity collected in $p\bar{p}$ collisions at $\sqrt{s}$=1.96 TeV with the D0 detector at the Fermilab Tevatron Collider. We select events with a final state including an isolated tau lepton, missing transverse energy, two or three jets, one or two of them $b$ tagged. We use a multivariate technique to discriminate signal from background. The number of events observed in data in this final state is consistent with the signal plus background expectation. We set in the tau+jets channel an upper limit on the single top quark cross section of \TauLimObs pb at the 95% C.L. This measurement allows a gain of 4% in expected sensitivity for the observation of single top production when combining it with electron+jets and muon+jets channels already published by the D0 collaboration with 2.3 fb$^{-1}$ of data. We measure a combined cross section of $\SuperCombineXSall$ pb, which is the most precise measurement to date.",
author = "{D0 Collaboration}, The and Iain Bertram and Guennadi Borissov and Harald Fox and Mark Williams and Peter Ratoff and Peter Love and Andre Sopczak",
note = "12 pages, 5 figures",
year = "2010",
month = jun,
day = "7",
doi = "10.1016/j.physletb.2010.05.003",
language = "English",
volume = "690",
pages = "5--14",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "1",

}

RIS

TY - JOUR

T1 - Search for single top quarks in the tau+jets channel using 4.8 fb$^{-1}$ of $p\bar{p}$ collision data

AU - D0 Collaboration, The

AU - Bertram, Iain

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Williams, Mark

AU - Ratoff, Peter

AU - Love, Peter

AU - Sopczak, Andre

N1 - 12 pages, 5 figures

PY - 2010/6/7

Y1 - 2010/6/7

N2 - We present the first direct search for single top quark production using tau leptons. The search is based on 4.8 fb$^{-1}$ of integrated luminosity collected in $p\bar{p}$ collisions at $\sqrt{s}$=1.96 TeV with the D0 detector at the Fermilab Tevatron Collider. We select events with a final state including an isolated tau lepton, missing transverse energy, two or three jets, one or two of them $b$ tagged. We use a multivariate technique to discriminate signal from background. The number of events observed in data in this final state is consistent with the signal plus background expectation. We set in the tau+jets channel an upper limit on the single top quark cross section of \TauLimObs pb at the 95% C.L. This measurement allows a gain of 4% in expected sensitivity for the observation of single top production when combining it with electron+jets and muon+jets channels already published by the D0 collaboration with 2.3 fb$^{-1}$ of data. We measure a combined cross section of $\SuperCombineXSall$ pb, which is the most precise measurement to date.

AB - We present the first direct search for single top quark production using tau leptons. The search is based on 4.8 fb$^{-1}$ of integrated luminosity collected in $p\bar{p}$ collisions at $\sqrt{s}$=1.96 TeV with the D0 detector at the Fermilab Tevatron Collider. We select events with a final state including an isolated tau lepton, missing transverse energy, two or three jets, one or two of them $b$ tagged. We use a multivariate technique to discriminate signal from background. The number of events observed in data in this final state is consistent with the signal plus background expectation. We set in the tau+jets channel an upper limit on the single top quark cross section of \TauLimObs pb at the 95% C.L. This measurement allows a gain of 4% in expected sensitivity for the observation of single top production when combining it with electron+jets and muon+jets channels already published by the D0 collaboration with 2.3 fb$^{-1}$ of data. We measure a combined cross section of $\SuperCombineXSall$ pb, which is the most precise measurement to date.

U2 - 10.1016/j.physletb.2010.05.003

DO - 10.1016/j.physletb.2010.05.003

M3 - Journal article

VL - 690

SP - 5

EP - 14

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1

ER -