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《中国物理C》(英文)编辑部
2024年10月30日

CP-Violating Effects in Two-Body Baryonic Decays of B0-B0 System

  • CP-violating effects in partial-decay-decay-rate asymmetries for two-body baryonic decays of B0-B0 and B0-B0 systems are examined.We concentrate on those final states into which both B0 and B0 can decay.Two cases are discussed in detail:one is for Z0 factory for incoherent BB production,the other is for C=+1 BB production above the Υ(4S) resonance at symmetric colliders.The bb pairs needed for testing these effects are estimated for 3σ signature.For the decay modes B0→PP,Δ++Δ-- and Δ0Δ0,Nbb~107—108.
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  • [1] ARGUS Collaboration, H. Albrecht et al., Phys. Lett., B192(1987), 245; CLEO Collaboration, M. Artuso et al., Phys. Rev, Lett., 62(1989), 2233.[2] I. I. Bigi and A. I. Sanda, Nucl. Phys., B193(1981), 85; Phys. Rev. D29(1984), 1393; L. Wolfenstein,Nucl. Phys.,B246(1984), 45; I. Dunietz and J. I,. Rosner, Phys. Rev., D34(1986), 1404; J. F. Donoghue,J. Nakada, E. A. Daschos and D.Wyler, Phys, Lett., B195(1987), 285; I, Dunietz and R, G. Sachs,Phys. Rev., D37(1988), 3186; E. A, Paschos and U. Turke, Phys. Rep., C178(1989), 145.[3] R. G. Sachs, Report No, EFI-85-22, Chicago, 1985 (unpublished); D. Du, I. Dunietz, and D. Wu, Phys.Rev., D34(1986), 3414; D. Du and Z. Zhao, Phys. Rev. Lett., 59(1987), 1072.[4] G. Eilam, M. Gronau and J. L, Rosner, Phys. Rev., D39(I989), 819; X. He, B. H. J. Mckellar ,and D. Wu,Phys. Rev., D41(1990), 214I; D. Wu, the Proceeding of Beijing Workshop on Weak Interactions and CPViolation, 79(1989); X. Li and D. Wu, Phys. Lett., B218(1989), 357.[5] I. I. Bigi et al, CP Violations, ed, by C. Jarlskog, World Scientific, Singapore, 1988; G. J. Feldman et al., High Energy Physics in the 1990's, 1988, Snowmass, ed, by S. Jensen, World Scientific Pub. Co.,1989[6] P. S. Drell, Cornell preprint, CLNS 90/1024(I990).[7] E. A. Paschos and U. Turke, Phys, Rep., C178(1989).[8] M. P. Schmidt, High Energy Physics in the 1990's, I988, Snowmass, ed. by S.Jensen, World Scientific Pub.Co,1989.[9] Review of Paticle Properties, Phys. Lett., B239(1990).[10] J. Hauser, Ph. D. thesis, Cal. Inst, of Tech. (1985),[11] CLEO Collaboration, Phys. Rev. Lett., 62(1989), 2436.[12] D. Fakirow and B. Stech, Nucl. Phys., B133(1978), 315; B. Bauer and B. Stech, Phys. Lett., B152(1985),388; X. Y, Li, X. Q. Li and P. Wang, Nuovo Cimento, 100A(1988), 693; C. H Chang,X. H. Guo and X. Q. Li, IC/89/266.
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DU Dong-Sheng and XING Zhi-Zhong. CP-Violating Effects in Two-Body Baryonic Decays of B0-B0 System[J]. Chinese Physics C, 1992, 16(5): 398-407.
DU Dong-Sheng and XING Zhi-Zhong. CP-Violating Effects in Two-Body Baryonic Decays of B0-B0 System[J]. Chinese Physics C, 1992, 16(5): 398-407. shu
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Received: 1900-01-01
Revised: 1900-01-01
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CP-Violating Effects in Two-Body Baryonic Decays of B0-B0 System

    Corresponding author: DU Dong-Sheng,
  • Institute of High Energy Physics,Academia Sinica,Beijing 100039

Abstract: CP-violating effects in partial-decay-decay-rate asymmetries for two-body baryonic decays of B0-B0 and B0-B0 systems are examined.We concentrate on those final states into which both B0 and B0 can decay.Two cases are discussed in detail:one is for Z0 factory for incoherent BB production,the other is for C=+1 BB production above the Υ(4S) resonance at symmetric colliders.The bb pairs needed for testing these effects are estimated for 3σ signature.For the decay modes B0→PP,Δ++Δ-- and Δ0Δ0,Nbb~107—108.

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