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Volumn 52, Issue 5, 1995, Pages 3048-3064

Bs-Bs mixing, CP violation, and extraction of CKM phases from untagged Bs data samples

Author keywords

[No Author keywords available]

Indexed keywords


EID: 0000606869     PISSN: 05562821     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevD.52.3048     Document Type: Article
Times cited : (127)

References (103)
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    • N.W. Reay, in Proceedings of the SSC Fixed Target Workshop, The Woodlands, Texas, 1984, edited by P. McIntyre et al. (unpublished), p. 53;
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    • R. Forty, invited talk at the XIV International Conference on Physics in Collision, Tallahassee, Florida, 1994 (unpublished).
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    • and references therein.
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    • Bigi, Khoze, Uraltsev, and Sanda citecpreviewBigi.
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    • Bigi and Stech citecpnonexp; Bigi, Khoze, Uraltsev, and Sanda citecpreviewBigi.
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    • D.J. Ritchie et al., in Proceedings of the Workshop on B Physics at Hadron Accelerators, Snowmass, Colorado, 1993, edited by Patricia McBride and C. Shekhar Mishra (Fermilab, Batavia, Illinois, 1994), p. 357; J.E. Skarha and A.B. Wicklund, ibid., p. 361; T.H. Burnett, ibid., p. 367; T.J. Lawry et al., ibid., p. 371; X. Lou, ibid., p. 373; C. Baltay et al., ibid., p. 377; K. Johns, ibid., p. 383.
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    • I. Dunietz et al., Fermilab Report No. FERMILAB PUB 94/362 T (unpublished).
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    • One must distinguish between Γsub pm and Γsub pm (b→ c bar c s). In the absence of CP violation Γsub pm denotes the total decay widths of the light and heavy Bs eigenstates. In contrast Γsub pm (b→ c bar c s) denotes the CP even and CP odd Bs rates governed by the b→ c bar c s transition alone.
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    • I. Dunietz, in Proceedings of the Workshop on B Physics at Hadron Accelerators [23], p. 83.
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    • F. Muheim, in The Albuquerque Meeting: DPF 94 [2]. This reference did not include the measured inclusive Ξc yield in overline B decays that is not produced by overline B to Ξc overline Λc X. Our calculation includes this yield.
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    • 84927865766 scopus 로고    scopus 로고
    • For a recent compilation see, for instance, T.E. Browder, K. Honscheid, and S. Playfer, in B Decays [17], p. 158.
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    • We thank Harry Lipkin for showing us the most elegant proof of that assertion which follows. Consider a complete set of states of Bs decay modes governed by overline b→ overline c c overline s. It can be chosen to diagonalize the S matrix. Since the strong interactions conserve CP, a complete set of states can be found where both the S matrix is diagonal and where each state has definite CP parity. The existence of such a complete set proves the assertion, because the total b→ c bar c s width for Bs decays is given by the sum of all the partial widths into CP eigenstates and there are no cross terms.
  • 70
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    • J.N. Butler and S. Stone, contact persons for the Expression of Interest at Fermilab, EOI No. 2, May 1994.
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    • The quantity |q/p|2 is predicted to be smaller than 1 by sim 10-3 10-4, and |p/q|2 larger than 1 by ``almost" the same amount. Thus the sum |q/p|2 + |p/q|2 is expected to be 2 to much higher accuracy than sim 10-3 10-4, | fracq{p|^2 +| fracp{q|^2 = 2 + O ( fracm^4_c{m^4_t);. Dedicated future precision measurements may observe the tiny Δ mt oscillations in Γ [g(t)] and Γ [ overline g(t)]. In contrast, such Δ mt oscillations disappear to higher accuracy in the sum Γ [g(t)] +Γ [ overline g (t)].
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    • I. Dunietz, in B Decays [17], p. 550.
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    • I.I. Bigi, D0/CDF lunch seminar given in 1993; J.L. Rosner (private communication).
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    • DELPHI Collaboration, Abreu et al. citedelphi; M. Paulini (private communication); J. Incandela, E. Kajfasz, R. Snider, and D. Stuart (private communication); J.D. Lewis studies the feasibility of a detached φ trigger at hadron accelerators (private communication).
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    • Dunietz and Rosner citedr;
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    • See, for instance, S. Stone, Syracuse Report No. HEPSY 94 5, 1994 (unpublished).
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    • A feasibility study of extracting γ from tagged, time dependent studies of Bs to Dssup pm Ksup mp has been conducted by E. Blucher, J. Cunningham, J. Kroll, F.D. Snider, and P. Sphicas, in Proceedings of the Workshop on B Physics at Hadron Accelerators [23].
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    • and (in preparation).
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    • Its relative importance could probably be assessed from the CKM favored transition of a nonstrange Bd→ D-sub s Ksup +. Because one deals here with strong interactions, rescattering effects, such as Bd → D- πsup + → D-sub s Ksup +, need to be disentangled. Only then would one measure the square of the W exchange amplitude. The W exchange amplitude could be relatively more important to the Bs → D-sub s Ksup + process, because the interference between the W exchange and the spectator contributes to the rate, in contrast to the nonstrange Bd→ D-sub s Ksup + decay.
  • 98
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    • We neglect the difference in the heavy and light Bd lifetimes, which are predicted to be at the one percent level.
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