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Search for W ' boson production in the W ' -> t(b)over-bar decay channel
2006
发表期刊PHYSICS LETTERS B
卷号641期号:6页码:423-431
通讯作者Schwienhorst, R (reprint author), Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil.
摘要We present a search for the production of a new heavy gauge boson W' that decays to a top quark and a bottom quark. We have analyzed 230 pb(-1) of data collected with the DO detector at the Fermilab Tevatron collider at a center-of-mass energy of 1.96 TeV. No significant excess of events above the standard model expectation is found in any region of the final state invariant mass distribution. We set upper limits on the production cross section of W' bosons times branching ratio to top quarks at the 95% confidence level for several different W, boson masses. We exclude masses between 200 and 610 GeV for a W' boson with standard-model-like couplings, between 200 and 630 GeV for a W, boson with right-handed couplings that is allowed to decay to both leptons and quarks, and between 200 and 670 GeV for a W' boson with right-handed couplings that is only allowed to decay to quarks. (c) 2006 Elsevier B.V. All rights reserved.
关键词TOP-QUARK PRODUCTION ROOT-S=1.96 TEV DETECTOR COLLISIONS COLLIDER EVENTS
学科领域Physics
DOI10.1016/j.physletb.2006.09.021
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000241534700003
引用统计
被引频次:25[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/311005/212727
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
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. Search for W ' boson production in the W ' -> t(b)over-bar decay channel[J]. PHYSICS LETTERS B,2006,641(6):423-431.
APA (2006).Search for W ' boson production in the W ' -> t(b)over-bar decay channel.PHYSICS LETTERS B,641(6),423-431.
MLA "Search for W ' boson production in the W ' -> t(b)over-bar decay channel".PHYSICS LETTERS B 641.6(2006):423-431.
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