WHY CP VIOLATION IS VERY SMALL IN THE STANDARD MODEL OF ELECTROWEAK THEORY

WU Dan-Di

Chinese Physics C> 1986, Vol. 10> Issue(6) : 684-689

WHY CP VIOLATION IS VERY SMALL IN THE STANDARD MODEL OF ELECTROWEAK THEORY

WU Dan-Di ^,

Institute of High Energy Physics, Academia Sinica

Abstract
HTML
Reference
Related

PDF

Abstract：
By using the nontrivial rephasing invariants Δ_ia of the KM matrix, all the factors which suppress CP violation effects in the standard model with three generations are discussed. They are: Im Δ_ia/γ (KM), the uneveness in magnitudes of two quantities whose weak phases are going to be compared, the effects of strong phases, etc. The arguments are supported by examples.

References

[1]

J. H. Christensen, J. W. Cronin, V. L. Fitch and R.Turlay, Phys. Rev. Lett., 13 (1964),138.[2] L. Wolfenstein, Phys. Rev. Lett., 13(1964), 562.[3] M. Kabayashi and T. Maskawa, Prog. Theor. Phys.,49(1973), 652.[4] S. Weinbere. Phys. Rev. Lett., 37(1976). 657.[5] V. Baluni, Phys. Rev., D19(1979), 2277; R.Crewthet et al., Phys. Rev., B88(1979), 123; R.Peccei and H. Quinn, Phys. Rev., D16(1977), 123.[6] D. D. Wu, EFI-85-35, Phys. Rev., D33(1986), 860; O. W. Greenberg, Phys. Rev., D32(1985),1941: C. Talskoe Phvs. Rev. Lett. 55 (1985). 1039: I. Dunietz. Private communications.[7] L. L.Chau and W. Y. Keung, Phys. Rev. Lett., 53(1984), 1803; M. Gronau, J.Schechter, Phys.Rev.Lett, 54(1985). 385.[8] D. D. Wu, BIHEP-TH-27-85 I. Dunietz, O. W. Greenberg, and D. D. Wu Phys. Rev. Lett.,55(1985), 2935.[9] D. D. Wu, LBL-19982.[10] J. D. Bjorken and S. D. Drell in Relativistic quantum Fields (McGraw-Hill, Book Comp. 1965) p. 216; C. Itzykson and J. Zuber, Quantum Field Theory (McGraw-Hill, 1980) p323.[11] T. D. Lee, R. , Oehme and C. N. Yang, Phys. Rev., 106 (1957 ), 340; T. T. Wu and C. N. Yang, Phys. Rev. Lett., 13(1964), 380.[12] D. D. Wu, Phys. Lett., B90(1980), 451.[13] M. K. Gaillatd and B. W. Lee, Phys. Rev., D10(1974), 892; T. Inami and C. S. Lim, Prog. Theor.Phys., 65(1981), 297; J. Hagelin; Nucl. Phys., B193(1981), 123; H. Y. Cheng, Phys. Rev., D26 (1982), 143.[14] A. Pais and S. B. Treiman, Phys. Rev., D12(1975), 2744; L. B. Okun, V. L. Zakharov and B. M. Pontecovo. Lett. Nuovo Cimento. 13(1975) 218.[15] D. S. Du, I. Dunietz and D. D. Wu, BIHEP-2485, to appear in Nucl, Phys. B; R. Sachs, EFI preprint.

[1]	I. I. Bigi , Xian-Wei Kang , Hai-Bo Li . CP asymmetries in Strange Baryon Decays. Chinese Physics C, 2018, 42(1): 013101. doi: 10.1088/1674-1137/42/1/013101
[2]	LIU Hao , GUO Xin-Heng , . Direct CP violation in B_(s)→J/ψP(V). Chinese Physics C, 2012, 36(7): 585-591. doi: 10.1088/1674-1137/36/7/003
[3]	WANG Dian-Fu , SUN Xiao-Yu , LIANG Chao . Dynamical CP violation at finite temperature. Chinese Physics C, 2012, 36(9): 805-809. doi: 10.1088/1674-1137/36/9/002
[4]	WANG Dian-Fu , SUN Xiao-Yu , CHANG Xiao-Jing . Dynamical CP violation of the generalized Yang-Mills model. Chinese Physics C, 2011, 35(2): 130-134. doi: 10.1088/1674-1137/35/2/004
[5]	DU Dong-Sheng . CP Asymmetry Prediction for Neutral Charmed Meson Decays into CP by Using Amplitude Ratios. Chinese Physics C, 2007, 31(9): 835-839.
[6]	HUANG Guang-Shun . R Measurement and Standard Model Test. Chinese Physics C, 2002, 26(S1): 41-46.
[7]	LIU Yao-Yang , SUN La-Zhen , ZHANG Yuan-Zhong , JIANG Xiang-Dong . Unifying Gauge Interaction and Gravity in Vector-Like Standard Model. Chinese Physics C, 2002, 26(4): 319-324.
[8]	XING Zhi-Zhong . Possible Implications of Small or Large CP Violation in Bd0 vs Bd0→J/ψKS Decays. Chinese Physics C, 2002, 26(3): 197-200.
[9]	YUE ChongXing , YANG ZhengTao , LU GongRu , LI WeiBin , SUN JunFeng . ETC Interactions and CP Violation in Top Quark Pair Production at the Next Linear Collider. Chinese Physics C, 2000, 24(12): 1088-1093.
[10]	Zhu Guohuai . Reestimate for CP Asymmetries in Decays of Neutral B-Flavored Mesons. Chinese Physics C, 1996, 20(10): 913-918.
[11]	Gao Xiaochun , Xu Donghui . R emovability of the Topological Term in the 2+1 Dimensional CP¹ Model. Chinese Physics C, 1995, 19(5): 413-419.
[12]	Xing Zhizhong . Quark Mass Matrices and CP Violation. Chinese Physics C, 1995, 19(7): 667-671.
[13]	Gao Xiaochun , Qian Tiezheng . The Removability of the Topological Term in the CP¹ Model and θ Vacuum. Chinese Physics C, 1994, 18(2): 137-142.
[14]	WANG Xue-Lei , WANG Hai-Zhi , LU Gong-Ru . Strong CP Violation and Techniaxion. Chinese Physics C, 1992, 16(9): 794-800.
[15]	DU Dong-Sheng , XING Zhi-Zhong . CP-Violating Effects in Two-Body Baryonic Decays of B⁰－B⁰ System. Chinese Physics C, 1992, 16(5): 398-407.
[16]	WU Dan-Di , HUANG Zheng . A Harbour for Strong CP Problem——Heavy Quarks. Chinese Physics C, 1991, 15(5): 473-476.
[17]	WANG Xing-Min , SONG Xiao-Tong , YIN Peng-Cheng . THE REGGE-CORRECTION AND THE SCALING VIOLATION OF HADRION STRUCTURE FUNCTIONS IN BAG MODEL. Chinese Physics C, 1983, 7(2): 160-169.
[18]	LI Chong-Sheng , HU Shi-Ke . ONE LOOP CORRECTIONS OF THE FERMION MASSES AND THE CP-VIOLATION CALCULATIONS OF THE STRONG AND WEAK INTERACTIONS. Chinese Physics C, 1983, 7(3): 333-341.
[19]	CHEN FENG-ZHI , HAO CHUN . THE CP VIOLATION OF SU(7) MODEL. Chinese Physics C, 1982, 6(1): 30-35.
[20]	WU JING-YUAN , WU DAN-DI , LI XIAO-YUAN . HEAVY LEPTON τ PRODUCED IN e⁺e^- ANNIHILATION BY THE INTERFERENCE BETWEEN ELECTROMAGNETIC AND WEAK INTERACTIONS AND PARITY VIOLATION EFFECTS. Chinese Physics C, 1979, 3(1): 108-112.

Access

Get Citation

WU Dan-Di. WHY CP VIOLATION IS VERY SMALL IN THE STANDARD MODEL OF ELECTROWEAK THEORY[J]. Chinese Physics C, 1986, 10(6): 684-689.

WU Dan-Di. WHY CP VIOLATION IS VERY SMALL IN THE STANDARD MODEL OF ELECTROWEAK THEORY[J]. Chinese Physics C, 1986, 10(6): 684-689. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1900-01-01
Revised: 1900-01-01

Article Metric

Article Views(2140)
PDF Downloads(437)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

WHY CP VIOLATION IS VERY SMALL IN THE STANDARD MODEL OF ELECTROWEAK THEORY

WU Dan-Di ^,

Corresponding author: WU Dan-Di,

Institute of High Energy Physics, Academia Sinica

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1986-12-05

Abstract: By using the nontrivial rephasing invariants Δ_ia of the KM matrix, all the factors which suppress CP violation effects in the standard model with three generations are discussed. They are: Im Δ_ia/γ (KM), the uneveness in magnitudes of two quantities whose weak phases are going to be compared, the effects of strong phases, etc. The arguments are supported by examples.