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Mass limit for the lightest neutralino
ALEPH Collaboration
1996
发表期刊ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
卷号72期号:4页码:#REF!
通讯作者Buskulic, D (reprint author), INST NATL PHYS NUCL & PHYS PARTICULES, CNRS, PHYS PARTICULES LAB, F-74019 ANNECY LE VIEUX, FRANCE.
摘要Indirect limits on the mass of the Lightest neutralino are derived from the results of searches for charginos, neutralinos, and sleptons performed with data taken by the ALEPH Collaboration at centre-of-mass energies near the Z peak and at 130 and 136 GeV. Within the context of the Minimal Supersymmetric Standard Model and when M(<(nu)over tilde>) greater than or equal to 200 GeV/c(2), the bound M(chi) > 12.8 GeV/c(2) at the 95% confidence level applies for any tan beta. The impact of lighter sneutrinos is presented in the framework of SUSY grand unified theories; a massless neutralino is allowed only for a narrow range of tan beta, mu, and the scalar mass parameter m(0). Finally, by including Higgs mass constraints and requiring that radiative electroweak symmetry breaking occur, more stringent bounds on M(chi) as a function of tan beta are derived.
文章类型Article
学科领域Physics
DOI10.1007/s002880050278
收录类别SCI
WOS类目Physics, Particles & Fields
WOS记录号WOS:A1996VW68800003
引用统计
被引频次:15[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/311005/227722
专题实验物理中心
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ALEPH Collaboration. Mass limit for the lightest neutralino[J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,1996,72(4):#REF!.
APA ALEPH Collaboration.(1996).Mass limit for the lightest neutralino.ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS,72(4),#REF!.
MLA ALEPH Collaboration."Mass limit for the lightest neutralino".ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS 72.4(1996):#REF!.
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