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Measurement of the ZZ production cross section in p-pbar collisions at sqrt(s)=1.96 TeV

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Measurement of the ZZ production cross section in p-pbar collisions at sqrt(s)=1.96 TeV. / Collaboration, D0; Bertram, Iain; Borissov, Guennadi; Fox, Harald; Ross, Anthony; Williams, Mark; Ratoff, Peter.

In: Physical Review D, Vol. 84, No. 1, 011103(R), 06.07.2011.

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@article{9f2030574c344ddbb7c1df5eaea7bd3a,
title = "Measurement of the ZZ production cross section in p-pbar collisions at sqrt(s)=1.96 TeV",
abstract = "We present a new measurement of the production cross section $\sigma(p\bar{p} \rightarrow ZZ)$ at a center-of-mass energy $\sqrt{s}=1.96$ TeV, obtained from the analysis of the four charged lepton final state $\ell^{+}\ell^{-}\ell^{'+} \ell^{'-}$ ($\ell$, $\ell^{'}$ = $e$ or $\mu$). We observe ten candidate events with an expected background of $0.37 \pm 0.13$ events. The measured cross section $\sigma(p\bar{p} \to ZZ)= 1.26^{+0.47}_{-0.37} \mathrm{(stat)} \pm 0.14 \mathrm{(syst)}$ pb is in agreement with NLO QCD predictions. This result is combined with a previous result from the $ZZ\to\ell^{+}\ell^{-}\nu\bar{\nu}$ channel resulting in a combined cross section of $\sigma(p\bar{p} \to ZZ)= 1.40^{+0.43}_{-0.37} \mathrm{(stat)} \pm 0.14 \mathrm{(syst)}$ pb.",
author = "D0 Collaboration and Iain Bertram and Guennadi Borissov and Harald Fox and Anthony Ross and Mark Williams and Peter Ratoff",
note = "{\textcopyright} 2011 American Physical Society Submitted to Phys. Rev. D",
year = "2011",
month = jul,
day = "6",
doi = "10.1103/PhysRevD.84.011103",
language = "English",
volume = "84",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "1",

}

RIS

TY - JOUR

T1 - Measurement of the ZZ production cross section in p-pbar collisions at sqrt(s)=1.96 TeV

AU - Collaboration, D0

AU - Bertram, Iain

AU - Borissov, Guennadi

AU - Fox, Harald

AU - Ross, Anthony

AU - Williams, Mark

AU - Ratoff, Peter

N1 - © 2011 American Physical Society Submitted to Phys. Rev. D

PY - 2011/7/6

Y1 - 2011/7/6

N2 - We present a new measurement of the production cross section $\sigma(p\bar{p} \rightarrow ZZ)$ at a center-of-mass energy $\sqrt{s}=1.96$ TeV, obtained from the analysis of the four charged lepton final state $\ell^{+}\ell^{-}\ell^{'+} \ell^{'-}$ ($\ell$, $\ell^{'}$ = $e$ or $\mu$). We observe ten candidate events with an expected background of $0.37 \pm 0.13$ events. The measured cross section $\sigma(p\bar{p} \to ZZ)= 1.26^{+0.47}_{-0.37} \mathrm{(stat)} \pm 0.14 \mathrm{(syst)}$ pb is in agreement with NLO QCD predictions. This result is combined with a previous result from the $ZZ\to\ell^{+}\ell^{-}\nu\bar{\nu}$ channel resulting in a combined cross section of $\sigma(p\bar{p} \to ZZ)= 1.40^{+0.43}_{-0.37} \mathrm{(stat)} \pm 0.14 \mathrm{(syst)}$ pb.

AB - We present a new measurement of the production cross section $\sigma(p\bar{p} \rightarrow ZZ)$ at a center-of-mass energy $\sqrt{s}=1.96$ TeV, obtained from the analysis of the four charged lepton final state $\ell^{+}\ell^{-}\ell^{'+} \ell^{'-}$ ($\ell$, $\ell^{'}$ = $e$ or $\mu$). We observe ten candidate events with an expected background of $0.37 \pm 0.13$ events. The measured cross section $\sigma(p\bar{p} \to ZZ)= 1.26^{+0.47}_{-0.37} \mathrm{(stat)} \pm 0.14 \mathrm{(syst)}$ pb is in agreement with NLO QCD predictions. This result is combined with a previous result from the $ZZ\to\ell^{+}\ell^{-}\nu\bar{\nu}$ channel resulting in a combined cross section of $\sigma(p\bar{p} \to ZZ)= 1.40^{+0.43}_{-0.37} \mathrm{(stat)} \pm 0.14 \mathrm{(syst)}$ pb.

U2 - 10.1103/PhysRevD.84.011103

DO - 10.1103/PhysRevD.84.011103

M3 - Journal article

VL - 84

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 1

M1 - 011103(R)

ER -