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Search for a scalar or vector particle decaying into Zgamma in ppbar collisions at sqrt(s) = 1.96 TeV

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Search for a scalar or vector particle decaying into Zgamma in ppbar collisions at sqrt(s) = 1.96 TeV. / Bertram, Iain; Fox, Harald; Borissov, Guennadi; Williams, Mark; Ratoff, Peter; Love, Peter; Rakitin, Alexander; Sopczak, Andre; D0 Collaboration, The.

In: Physics Letters B, Vol. 671, No. 3, 26.01.2009, p. 349-355.

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@article{7af8249fee6b4234bdb840c09fdfeca4,
title = "Search for a scalar or vector particle decaying into Zgamma in ppbar collisions at sqrt(s) = 1.96 TeV",
abstract = "We present a search for a narrow scalar or vector resonance decaying into Zgamma with a subsequent Z decay into a pair of electrons or muons. The data for this search were collected with the D0 detector at the Fermilab Tevatron ppbar collider at a center of mass energy sqrt(s) = 1.96 TeV. Using 1.1 (1.0) fb-1 of data, we observe 49 (50) candidate events in the electron (muon) channel, in good agreement with the standard model prediction. From the combination of both channels, we derive 95% C.L. upper limits on the cross section times branching fraction (sigma x B) into Zgamma. These limits range from 0.19 (0.20) pb for a scalar (vector) resonance mass of 600 GeV/c^2 to 2.5 (3.1) pb for a mass of 140 GeV/c^2.",
author = "Iain Bertram and Harald Fox and Guennadi Borissov and Mark Williams and Peter Ratoff and Peter Love and Alexander Rakitin and Andre Sopczak and {D0 Collaboration}, The",
note = "Published by Phys. Lett. B",
year = "2009",
month = jan,
day = "26",
doi = "10.1016/j.physletb.2008.12.009",
language = "English",
volume = "671",
pages = "349--355",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "3",

}

RIS

TY - JOUR

T1 - Search for a scalar or vector particle decaying into Zgamma in ppbar collisions at sqrt(s) = 1.96 TeV

AU - Bertram, Iain

AU - Fox, Harald

AU - Borissov, Guennadi

AU - Williams, Mark

AU - Ratoff, Peter

AU - Love, Peter

AU - Rakitin, Alexander

AU - Sopczak, Andre

AU - D0 Collaboration, The

N1 - Published by Phys. Lett. B

PY - 2009/1/26

Y1 - 2009/1/26

N2 - We present a search for a narrow scalar or vector resonance decaying into Zgamma with a subsequent Z decay into a pair of electrons or muons. The data for this search were collected with the D0 detector at the Fermilab Tevatron ppbar collider at a center of mass energy sqrt(s) = 1.96 TeV. Using 1.1 (1.0) fb-1 of data, we observe 49 (50) candidate events in the electron (muon) channel, in good agreement with the standard model prediction. From the combination of both channels, we derive 95% C.L. upper limits on the cross section times branching fraction (sigma x B) into Zgamma. These limits range from 0.19 (0.20) pb for a scalar (vector) resonance mass of 600 GeV/c^2 to 2.5 (3.1) pb for a mass of 140 GeV/c^2.

AB - We present a search for a narrow scalar or vector resonance decaying into Zgamma with a subsequent Z decay into a pair of electrons or muons. The data for this search were collected with the D0 detector at the Fermilab Tevatron ppbar collider at a center of mass energy sqrt(s) = 1.96 TeV. Using 1.1 (1.0) fb-1 of data, we observe 49 (50) candidate events in the electron (muon) channel, in good agreement with the standard model prediction. From the combination of both channels, we derive 95% C.L. upper limits on the cross section times branching fraction (sigma x B) into Zgamma. These limits range from 0.19 (0.20) pb for a scalar (vector) resonance mass of 600 GeV/c^2 to 2.5 (3.1) pb for a mass of 140 GeV/c^2.

U2 - 10.1016/j.physletb.2008.12.009

DO - 10.1016/j.physletb.2008.12.009

M3 - Journal article

VL - 671

SP - 349

EP - 355

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 3

ER -