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Search for first-generation scalar leptoquarks in p(p)over-bar collisions at root s=1.96 TeV
2005
发表期刊PHYSICAL REVIEW D
卷号71期号:7
通讯作者Abazov, VM (reprint author), Joint Inst Nucl Res, Dubna, Russia.
摘要We report on a search for pair production of first-generation scalar leptoquarks (LQ) in p (p) over bar collisions at root s=1.96 TeV using an integrated luminosity of 252 pb(-1) collected at the Fermilab Tevatron collider by the D0 detector. We observe no evidence for LQ production in the topologies arising from LQ(LQ) over bar -> eqeq and LQ(LQ) over bar -> eq nu q, and derive 95% C.L. lower limits on the LQ mass as a function of beta, where beta is the branching fraction for LQ -> eq. The limits are 241 and 218 GeV/c(2) for beta=1 and 0.5, respectively. These results are combined with those obtained by D0 at root s=1.8 TeV, which increases these LQ mass limits to 256 and 234 GeV/c(2).
关键词FERMION-PAIR PRODUCTION HERA GENERATION TEVATRON PHYSICS BOSONS LEP
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.71.071104
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000228765400004
引用统计
被引频次:26[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/311005/212536
专题实验物理中心
作者单位中国科学院高能物理研究所
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. Search for first-generation scalar leptoquarks in p(p)over-bar collisions at root s=1.96 TeV[J]. PHYSICAL REVIEW D,2005,71(7).
APA (2005).Search for first-generation scalar leptoquarks in p(p)over-bar collisions at root s=1.96 TeV.PHYSICAL REVIEW D,71(7).
MLA "Search for first-generation scalar leptoquarks in p(p)over-bar collisions at root s=1.96 TeV".PHYSICAL REVIEW D 71.7(2005).
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