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题名: Implications for new physics from (B)over-bar(-0)->pi(0)pi(0) and B-0 -> K-0(K)over-bar(0)
作者: Cheng, JF ;  Gao, YN ;  Huang, CS ;  Wu, XH
刊名: PHYSICS LETTERS B
出版日期: 2006
卷号: 637, 期号:41004, 页码:260-265
关键词: CHANGING NEUTRAL CURRENTS ;  2-HIGGS DOUBLET MODEL ;  2-HIGGS-DOUBLET MODEL ;  QCD FACTORIZATION ;  SUSY MODELS ;  K-S ;  DECAYS ;  MSSM ;  ASYMMETRY ;  MU(-)
学科分类: Physics
通讯作者: Cheng, JF , Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
部门归属: Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Korea Inst Adv Study, Sch Phys, Seoul 130722, South Korea
英文摘要: We have analyzed the (B) over bar (0) -> pi(0)pi(0) puzzle in three kinds of models beyond the standard model (SM). It is shown that the minimal flavor violation (MFV) models, the minimal supersymmetric standard model (MSSM), and the two Higgs doublet models (2HDM) I and II cannot give an explanation of the (B) over bar (0) -> pi(0)pi(0) puzzle within la experimental bounds and the model III 2HDM can explain the puzzle without a conflict with other experimental measurements. If the constraint on C-8g from b -> sg is not imposed, for all kinds of insertions considered there are regions of parameter space, where the scalar quark mass is larger (much larger) than the gluino mass in the case of LR or RL (LL or RR), in which the puzzle can be resolved within 1 sigma experimental bounds. (c) 2006 Elsevier B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000238399200009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5965
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Cheng, JF,Gao, YN,Huang, CS,et al. Implications for new physics from (B)over-bar(-0)->pi(0)pi(0) and B-0 -> K-0(K)over-bar(0)[J]. PHYSICS LETTERS B,2006,637(41004):260-265.
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