Double penguin diagrams and the contribution of vector-meson-like states to the decays B→K*γ, B→ργ

Physical Review D - Particles, Fields, Gravitation and Cosmology

Volumn 53, Issue 3, 1996, Pages 1403-1408

  Milana, J ^a  

^a Bldg 142   (United States)

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EID: 0010818925     PISSN: 15507998     EISSN: 15502368     Source Type: Journal    
DOI: 10.1103/PhysRevD.53.1403     Document Type: Article

References (39)

1. CLEO Collaboration, R. Ammar, et al., Phys. Rev. Lett. 71, 674 (1993).
2. They give the branching fraction (4.5 pm 1.5 pm 0.9)×.
3. M. K. Gaillard and B. W. Lee, Phys. Rev. Lett. 33, 108 (1974);
4. G. Altarelli and L. Maiani, Phys. Lett. 52B, 351 (1974);
5. M. A. Shifman, A. I. Vainstein and V. I. Zakharov, Sov. Phys. JETP 45, 670 (1977).
6. T. Inami and C. S. Lim, Prog. Theor. Phys. 65, 297 (1981).
7. R. Grigjanus, et al., Phys. Lett. B 213, 355 (1988);
8. B. Grinstein, R. Springer, andM. B. Wise, Nucl. Phys. bf B339, 269 (1990);
9. G. Cella, et al., Phys. Lett. B 248, 181 (1990);
10. M. Misiak, Phys. Lett. B 269, 161 (1991);
11. M. Ciuchini, E. Franco, G. Martinelli, L. Reina and L. Silvestrini, Phys. Lett. B 316, 127 (1993);
12. G. Cella, G. Curci, G. Ricciardi and A. Viceré, Phys. Lett. B 325, 227 (1994);
13. M. Ciuchini, E. Franco, L. Reina and L. Silvestrini, Nucl. Phys. B421, 41 (1994).
14. CLEO Collaboration, M. S. Alam, et al., Phys. Rev. D 50, 43 (1994).
15. E. Golowich and S. Pakvasa, Phys. Lett. B 205, 393 (1988);
16. N. G. Deshpande, J. Prampetic and K. Panose, Phys. Lett. B 214, 467 (1988).
17. E. Golowich and S. Pakvasa, Phys. Rev. D 51, 1215 (1995);
18. H. Y. Cheng, Phys. Rev. D 51, 6228 (1995);
19. s) Decays, " SLAC Report No. SLAC PUB 6635, BNL 60709, TECHNION PH 94 11, 1994 (unpublished);
20. N. G. Deshpande, X. G. He, andJ. Prampetic, “Long Distance Contributions to Penguin Processes b → s γ and b → d γ, " Institution Report No. OITS 564, 1994 (unpublished).
21. A. Ali, V. Braun and H. Simma, Z. Phys. C 63, 437 (1994).
22. A. Ali and C. Greub, Z. Phys. C 49, 431 (1991).
23. C. E. Carlson and J. Milana, Phys. Rev. D 51, 4950 (1995).
24. C. E. Carlson and J. Milana, Phys. Rev. D 49, 5908 (1994).
25. A. Szczepaniak, E. M. Henley and S. J. Brodsky, Phys. Lett. B 243, 287 (1990).
26. In this pioneering work on the subject, some crucial oversights were made which led to a severe underestimate of various branching rates. This result has unfortunately often been quoted to vitiate the applicability of PQCD to these decays.
27. S. J. Brodsky and G. P. Lepage, Phys. Rev. D 22, 2157 (1980);
28. in Perturbative QCD, edited by A. H. Mueller (World Scientific, Singapore, 1989).
29. G. R. Farrar and D. R. Jackson, Phys. Rev. Lett. 43, 246 (1979);
30. A. V. Efremov and A. V. Radyushkin, Phys. Lett. B 94, 245 (1980).
31. V. Chernyak, A. Zhitnitsky and I. Zhitnitsky, Nucl. Phys. B204, 477 (1982).
32. G. Farrar, G. Sterman and H. Zhang, Phys. Rev. Lett. 62, 2229 (1989);
33. R. Kahler and J. Milana, Phys. Rev. D 47, R3690 (1993).
34. C. E. Carlson and J. Milana, Phys. Lett. B 301, 237 (1993).
35. S. Coleman and R. E. Norton, Nuovo Cimento 28, 438 (1965).
36. M. Bander, D. Silverman and A. Soni, Phys. Rev. Lett. 44, 7 (1980).
37. C. Greub, H. Simma and D. Wyler, Nucl. Phys. B434, 39 (1995).
38. C. E. Carlson and J. Milana, “Penguins leaving the Pole: Bound state effects in B → Ksup * γ, " University of Maryland Report No. WM 94 110, 95 034, 1994 (unpublished).
39. Particle Data Group, L. Montanet, et al., Phys. Rev. D 50, 1173 (1994).