Reestimate for CP Asymmetries in Decays of Neutral B-Flavored Mesons

Zhu Guohuai

Chinese Physics C> 1996, Vol. 20> Issue(10) : 913-918

Reestimate for CP Asymmetries in Decays of Neutral B-Flavored Mesons

Zhu Guohuai ^,

Special Class for Gifted Young, University of Science and Technology of China, Hefei 230026

Abstract
HTML
Reference
Related

PDF

Abstract：
The CP violating effects in partial-decay-rate asymmetries of the Bd0 and Bs0 systems are reestimated with the method of amplitude ratio. We concentrate on those hadronic final states which are CP eigenstates. We find that for testing CP violations,except the well known Bd0→ψKs, the best decay is Bd0→D⁺D^－, which needs, for 3σ signature, 2.2×10⁷ bb pairs.

References

[1]

J.Ellis et al.NuclPhys.B131（1977）285;ibid;B132（1978）541;A.Ali.Z.Z.Aydin,Nucl.Phys.B148（1979）165;A.B.Carter,A.I.Sanda,PhysRev.Lett、45（1980）952;PhysRev.,D23（1981）1567;I.I.Bigi,A.L.Sanda,Nucl.Phys,B193（1981）85;Phys.Rev.D29（1984）1393.[2] D.S.Du.L.Dunietz,D.D.Wu、Phys.Rev.,D34（1986）1414;I.Dunietz,J.L.Rosner,Phys.Rev.,D34（1986）1404;I.I.Bigi,A.LSanda,Nucl.Phys,B281（1987）41;ibid.,B193（1981）85.[3] R.G.Sachs,Physics of Time Reversal（University of Chicago Press,Chicago）.[4] L.Wolfenstein,Phys.Rev.Lett,51（1983）1945.[5] Dan-di Wu,Phys.Lett,B90（1980）451.[6] D.S.Du,I.Dunietz,D.D.Wu,PhysRev.D34（1986）3414.[7] A.B.Carter,A.I.Sanda,Phys.Rev.Lett.45（1980）952.[8] A.Ali,D.London,Preprint CERN-TH.7408/94.[9] L.L.Bigi,A.I.Sanda,NuclPhys.B193（1981）85.[10] M.Neubert,V.Rieckert,B.Stech,Preprint HD-THEP-91-28.[11] B.Guberina et al,Phys.Lett,B90（1980）169;G.Eilam,J.P.Leveille,Phys.Rev.Lett、44（1980）1648.

[1]	R. Aaij , et al (LHCb Collaboration) . Study of the production of Λ_b⁰ and B⁰ hadrons in pp collisions and first measurement of the Λ_b⁰→J/ψpK^- branching fraction. Chinese Physics C, 2016, 40(1): 011001. doi: 10.1088/1674-1137/40/1/011001
[2]	ZOU Zhi-Tian , ZHOU Rui , LÜ Cai-Dian . Pure annihilation type decays B⁰→D_s^- K₂^*+ and B_s→Da₂ in perturbative QCD approach. Chinese Physics C, 2013, 37(1): 013103. doi: 10.1088/1674-1137/37/1/013103
[3]	LI Hai-Bo , YANG Mao-Zhi . About detecting CP-violating processes in J/ψ→K⁰K⁰ decay. Chinese Physics C, 2009, 33(2): 85-88. doi: 10.1088/1674-1137/33/2/001
[4]	Jun-Long Tian , WU Xi-Zhen , LI Zhu-Xia , ZHAO Kai . Superheavy Fragments Produced in the Asymmetric Strongly Damped Collision. Chinese Physics C, 2008, 32(1): 34-39. doi: 10.1088/1674-1137/32/1/008
[5]	XING Zhi-Zhong . An overview of D⁰-D⁰ mixing and CP violation. Chinese Physics C, 2008, 32(6): 483-487. doi: 10.1088/1674-1137/32/6/015
[6]	LI Hai-Bo . D⁰-D⁰ mixing and CP violation at BES-Ⅲ. Chinese Physics C, 2008, 32(6): 470-476. doi: 10.1088/1674-1137/32/6/013
[7]	WANG Shuai-Wei , HUANG Jin-Shu , SONG Tai-Ping , LU Gong-Ru . Simultaneous Solution to B_d⁰→φK^*0 Polarization Anomaly and B_d→φK_S CP Asymmetry. Chinese Physics C, 2007, 31(10): 900-906.
[8]	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.
[9]	CHEN Jun-Xiao , HOU Zhao-Yu , LI Ying , . Branching ratio of rare decay B⁰(B_s)→γνν. Chinese Physics C, 2006, 30(4): 289-293.
[10]	LI Xi-Ming , ZHAO Ning-Hua , LAN Jian-Sheng . Asymmetry of hadron production in pp(p) reaction. Chinese Physics C, 2005, 29(12): 1125-1130.
[11]	GAO Pu-Ze , MA Bo-Qiang . Nucleon Strange Asymmetry and the Light Quark Fragmentation Effect. Chinese Physics C, 2005, 29(10): 964-969.
[12]	LIU Fang , LI Jin , HUANG Yi-Bin , YAN Mu-Lin . ρ-ω Interference in J/ψ-Decays and ρ→ππ^-π⁰ Decay. Chinese Physics C, 2004, 28(3): 239-244.
[13]	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.
[14]	WANG Yong-Gang , LIU Xi-Ming , ZHOU Jian-Jun . Angular Asymmetry of Multiplicity in High Energy e⁺e^－ Annihilation to Three Jet Events. Chinese Physics C, 2001, 25(1): 6-10.
[15]	BES Collaboration . ΛΛ,ΛΛγ and ΛΛπ⁰ Productions in J/ψ Decay. Chinese Physics C, 1998, 22(2): 97-105.
[16]	Liu Zhenan , Chen Guoming , Chen Hesheng , Tang Xiaowei . Measurement of the τ Polarization Asymmetry in τ→a₁ v→π^±π⁰π⁰v Decay at Z⁰ Peak. Chinese Physics C, 1998, 22(11): 990-995.
[17]	Xing Zhizhong . Quark Mass Matrices and CP Violation. Chinese Physics C, 1995, 19(7): 667-671.
[18]	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.
[19]	PAN Ling-Jun , JIANG Huan-Qing . ASYMMETRY FOR π⁺ SINGLE CHARGE EXCHANGE FROM ALIGNED NUCLEUS ¹⁶⁵Ho. Chinese Physics C, 1989, 13(7): 614-619.
[20]	LIU Jian-Ye , QIAO Wei-Min , LI Jun-Qing , SHEN Wen-Qing , CHEN Pei-Jun , TAN Nan-Hong . THE CHARGE RELAXATION PROCESS IN THE DISSIPATIVE HEAVY-ION COLLISIONS OF THE MASS ASYMMETRY SYSTEM. Chinese Physics C, 1988, 12(5): 701-707.

Access

Get Citation

Zhu Guohuai. Reestimate for CP Asymmetries in Decays of Neutral B-Flavored Mesons[J]. Chinese Physics C, 1996, 20(10): 913-918.

Zhu Guohuai. Reestimate for CP Asymmetries in Decays of Neutral B-Flavored Mesons[J]. Chinese Physics C, 1996, 20(10): 913-918. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

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

Article Metric

Article Views(2587)
PDF Downloads(502)
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

Reestimate for CP Asymmetries in Decays of Neutral B-Flavored Mesons

Zhu Guohuai ^,

Corresponding author: Zhu Guohuai,

Special Class for Gifted Young, University of Science and Technology of China, Hefei 230026

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1996-10-05

Abstract: The CP violating effects in partial-decay-rate asymmetries of the Bd0 and Bs0 systems are reestimated with the method of amplitude ratio. We concentrate on those hadronic final states which are CP eigenstates. We find that for testing CP violations,except the well known Bd0→ψKs, the best decay is Bd0→D⁺D^－, which needs, for 3σ signature, 2.2×10⁷ bb pairs.