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Implications for new physics from (B)over-bar(-0)->pi(0)pi(0) and B-0 -> K-0(K)over-bar(0)
Cheng, JF; Gao, YN; Huang, CS; Wu, XH; Cheng, JF , Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
2006
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号637期号:41004页码:260-265
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.
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
关键词Changing Neutral Currents 2-higgs Doublet Model 2-higgs-doublet Model Qcd Factorization Susy Models K-s Decays Mssm Asymmetry Mu(-)
学科领域Physics
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收录类别SCI
WOS记录号WOS:000238399200009
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5965
专题理论物理所SCI论文
通讯作者Cheng, JF , Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
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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.
APA Cheng, JF,Gao, YN,Huang, CS,Wu, XH,&Cheng, JF , Tsing Hua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China.(2006).Implications for new physics from (B)over-bar(-0)->pi(0)pi(0) and B-0 -> K-0(K)over-bar(0).PHYSICS LETTERS B,637(41004),260-265.
MLA Cheng, JF,et al."Implications for new physics from (B)over-bar(-0)->pi(0)pi(0) and B-0 -> K-0(K)over-bar(0)".PHYSICS LETTERS B 637.41004(2006):260-265.
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