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Search for excited muons in p(p)over-bar collisions at root s=1.96 TeV
2006
发表期刊PHYSICAL REVIEW D
卷号73期号:11
通讯作者Abazov, VM (reprint author), Joint Inst Nucl Res Dubna, Dubna, Russia.
摘要We present the results of a search for the production of an excited state of the muon, mu(*), in proton antiproton collisions at root s =1.96 TeV. The data have been collected with the D0 experiment at the Fermilab Tevatron Collider and correspond to an integrated luminosity of approximately 380 pb(-1). We search for mu(*) in the process p (p) over bar ->mu(*)mu, with the mu(*) subsequently decaying to a muon plus photon. No excess above the standard model expectation is observed in data. Interpreting our data in the context of a model that describes mu(*) production by four-fermion contact interactions and mu(*) decay via electroweak processes, we set a 95% confidence level production cross section upper limit ranging from 0.057 to 0.112 pb, depending on the mass of the excited muon. Choosing the scale for contact interactions to be Lambda=1 TeV, excited muon masses below 618 GeV are excluded.
关键词QUARKS PHYSICS MODEL
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.73.111102
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000238698300002
引用统计
被引频次:14[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/311005/212678
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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GB/T 7714
. Search for excited muons in p(p)over-bar collisions at root s=1.96 TeV[J]. PHYSICAL REVIEW D,2006,73(11).
APA (2006).Search for excited muons in p(p)over-bar collisions at root s=1.96 TeV.PHYSICAL REVIEW D,73(11).
MLA "Search for excited muons in p(p)over-bar collisions at root s=1.96 TeV".PHYSICAL REVIEW D 73.11(2006).
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