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Measurement of the cross section for open-beauty production in photon-photon collisions at LEP
L3 Collaboration
2005
发表期刊PHYSICS LETTERS B
卷号619期号:1-2页码:#REF!
通讯作者Achard, P (reprint author), Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany.
摘要The cross section for open-beauty production in photon-photon collisions is measured using the whole high-energy and high-luminosity data sample collected by the L3 detector at LEP. This corresponds to 627 pb(-1) of integrated luminosity for electron-positron centre-of-mass energies from 189 to 209 GeV Events containing b quarks are identified through their semi-leptonic decay into electrons or muons. The e(+)e(-) -> e(+)e(-)bbX cross section is measured within our fiducial volume and then extrapolated to the full phase space. These results are found to be in significant excess with respect to Monte Carlo predictions and next-to-leading order QCD calculations. (c) 2005 Published by Elsevier B.V.
文章类型Article
学科领域Physics
DOI10.1016/j.physletb.2005.05.072
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000230280100010
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225934
专题粒子天体物理中心
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L3 Collaboration. Measurement of the cross section for open-beauty production in photon-photon collisions at LEP[J]. PHYSICS LETTERS B,2005,619(1-2):#REF!.
APA L3 Collaboration.(2005).Measurement of the cross section for open-beauty production in photon-photon collisions at LEP.PHYSICS LETTERS B,619(1-2),#REF!.
MLA L3 Collaboration."Measurement of the cross section for open-beauty production in photon-photon collisions at LEP".PHYSICS LETTERS B 619.1-2(2005):#REF!.
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