Dispersive bounds on the shape of B̄ → D(*) ℓ v̄ form factors

Nuclear Physics B

Volumn 530, Issue 1-2, 1998, Pages 153-181

  Caprini, Irinel ^a   Lellouch, Laurent ^b,c   Neubert, Matthias ^b  

^a INSTITUTE OF ATOMIC PHYSICS   (Romania)

^b CERN   (Switzerland)

^c CNRS Luminy   (France)

Author keywords

Decays of bottom mesons; Dispersion relations; Heavy quark effective theory

Indexed keywords

EID: 0032511699     PISSN: 05503213     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0550-3213(98)00350-2     Document Type: Article

References (56)

1. [1] M. Neubert, Phys. Lett. B 264 (1991) 455; B 338 (1994) 84.
2. [1] M. Neubert, Phys. Lett. B 264 (1991) 455; B 338 (1994) 84.
3. [2] N. Isgur and M.B. Wise, Phys. Lett. B 232 (1989) 113; B 237 (1990) 527.
4. [2] N. Isgur and M.B. Wise, Phys. Lett. B 232 (1989) 113; B 237 (1990) 527.
5. [3] For a review, see: M. Neubert, Phys. Rep. 245 (1994) 259; Int. J. Mod. Phys. A 11 (1996) 4173.
6. [3] For a review, see: M. Neubert, Phys. Rep. 245 (1994) 259; Int. J. Mod. Phys. A 11 (1996) 4173.
7. [4] M.E. Luke, Phys. Lett. B 252 (1990) 447.
8. [5] A.F. Falk and M. Neubert, Phys. Rev. D 47 (1993) 2965, 2982.
9. [6] M. Shifman, N.G. Uraltsev and A. Vainshtein, Phys. Rev. D 51 (1995) 2217.
10. [7] A. Czarnecki, Phys. Rev. Lett. 76 (1996) 4124.
11. [8] Z. Ligeti, Y. Nir and M. Neubert, Phys. Rev. D 49 (1994) 1302.
12. [9] N.N. Meiman, Sov. Phys. JETP 17 (1963) 830.
13. [10] S. Okubo, Phys. Rev. D 3 (1971) 2807; S. Okubo and I. Shih, Phys. Rev. D 4 (1971) 2020.
14. [10] S. Okubo, Phys. Rev. D 3 (1971) 2807; S. Okubo and I. Shih, Phys. Rev. D 4 (1971) 2020.
15. [11] V. Singh and A.K. Raina, Fortschr. Phys. 27 (1979) 561.
16. [12] C. Bourrely, B. Machet and E. de Rafael, Nucl. Phys. B 189 (1981) 157.
17. [13] E. de Rafael and J. Taron, Phys. Lett. B 282 (1992) 215.
18. [14] E. de Rafael and J. Taron, Phys. Rev. D 50 (1994) 373.
19. [15] I. Caprini, Z. Phys. C 61 (1994) 651.
20. [16] I. Caprini, Phys. Lett. B 339 (1994) 187; Phys. Rev. D 52 (1995) 6349.
21. [16] I. Caprini, Phys. Lett. B 339 (1994) 187; Phys. Rev. D 52 (1995) 6349.
22. [17] C.G. Boyd, B. Grinstein and R.F. Lebed, Phys. Lett. B 353 (1995) 306; Nucl. Phys. B 461 (1996) 493.
23. [17] C.G. Boyd, B. Grinstein and R.F. Lebed, Phys. Lett. B 353 (1995) 306; Nucl. Phys. B 461 (1996) 493.
24. [18] I. Caprini and C. Macesanu, Phys. Rev. D 54 (1996) 5686.
25. [19] I. Caprini and M. Neubert, Phys. Lett. B 380 (1996) 376.
26. [20] C.G. Boyd, B. Grinstein and R.F. Lebed, Phys. Rev. D 56 (1997) 6895.
27. [21] E.J. Eichten and F. Feinberg, Phys. Rev. D 23 (1981) 2724; E.J. Eichten and C. Quigg, Phys. Rev. D 49 (1994) 5845.
28. [21] E.J. Eichten and F. Feinberg, Phys. Rev. D 23 (1981) 2724; E.J. Eichten and C. Quigg, Phys. Rev. D 49 (1994) 5845.
29. [22] D.J. Broadhurst, Phys. Lett. B 101 (1981) 423.
30. [23] S.C. Generalis, J. Phys. G 16 (1990) 367, 785.
31. [24] A. Djouadi and P. Gambino, Phys. Rev. D 49 (1994) 3499.
32. [25] L.J. Reinders, S. Yazaki and H.R. Rubinstein, Phys. Rep. 127 (1985) 1.
33. [26] I. Caprini, J. Phys. A: Math. Gen. 14 (1981) 1271; I. Caprini, I. Guiasu and E.E. Radescu, Phys. Rev. D 25 (1982) 1808.
34. [26] I. Caprini, J. Phys. A: Math. Gen. 14 (1981) 1271; I. Caprini, I. Guiasu and E.E. Radescu, Phys. Rev. D 25 (1982) 1808.
35. [27] J.L. Walsh, Interpolation and Approximation by Rational Functions in the Complex Domain (American Mathematical Society, Providence, RI, 1956).
36. [28] R.E. Cutkoski and B.B. Deo, Phys. Rev. 174 (1968) 1859.
37. [29] Z. Nehari, Conformal Mapping (Dover, New York, 1952).
38. [30] C.G. Boyd and R.F. Lebed, Nucl. Phys. B 485 (1997) 275.
39. [31] C.G. Boyd, Z. Ligeti, I.Z. Rothstein and M.B. Wise, Phys. Rev. D 55 (1997) 3027.
40. [32] CLEO Collaboration (J.E. Duboscq et al.), Phys. Rev. Lett. 76 (1996) 3898; CLEO Collaboration (A. Anastassov et al.), Preprint CLEO CONF 96-8, ICHEP96 PA05-079, contributed paper to the 28th International Conference on High Energy Physics, Warsaw, Poland, July 1996.
41. [32] CLEO Collaboration (J.E. Duboscq et al.), Phys. Rev. Lett. 76 (1996) 3898; CLEO Collaboration (A. Anastassov et al.), Preprint CLEO CONF 96-8, ICHEP96 PA05-079, contributed paper to the 28th International Conference on High Energy Physics, Warsaw, Poland, July 1996.
42. [33] For a discussion of this uncertainty, see L.K. Gibbons, Proceedings of the 28th International Conference on High-energy Physics (ICHEP 96), Warsaw, Poland, July 1996, p. 183 [hep-ex/9704017].
43. [34] CLEO Collaboration (B. Barish et al.), Phys. Rev. D 51 (1995) 1014.
44. [35] ARGUS Collaboration (H. Albrecht et al.), Z. Phys. C 57 (1993) 533; Phys. Rep. 276 (1996) 223.
45. [35] ARGUS Collaboration (H. Albrecht et al.), Z. Phys. C 57 (1993) 533; Phys. Rep. 276 (1996) 223.
46. [36] ALEPH Collaboration (D. Buskulic et al.), Phys. Lett. B 395 (1997) 373.
47. [37] DELPHI Collaboration (P. Abreu et al.), Z. Phys. C 71 (1996) 539.
48. [38] OPAL Collaboration (K. Ackerstaff et al.), Phys. Lett. B 395 (1997) 128.
49. [39] J.E. Paschalis and G.J. Gounaris, Nucl. Phys. B 222 (1983) 473; F.E. Close, G.J. Gounaris and J.E. Paschalis, Phys. Lett. B 149 (1984) 209.
50. [39] J.E. Paschalis and G.J. Gounaris, Nucl. Phys. B 222 (1983) 473; F.E. Close, G.J. Gounaris and J.E. Paschalis, Phys. Lett. B 149 (1984) 209.
51. [40] A.F. Falk and B. Grinstein, Phys. Lett. B 249 (1990) 314.
52. [41] M. Neubert, Phys. Rev. D 46 (1992) 2212; Nucl. Phys. B 371 (1992) 149.
53. [41] M. Neubert, Phys. Rev. D 46 (1992) 2212; Nucl. Phys. B 371 (1992) 149.
54. [42] M. Neubert, Z. Ligeti and Y. Nir, Phys. Lett. B 301 (1993) 101; Phys. Rev. D 47 (1993) 5060; Z. Ligeti, Y. Nir and M. Neubert, Phys. Rev. D 49 (1994) 1302.
55. [42] M. Neubert, Z. Ligeti and Y. Nir, Phys. Lett. B 301 (1993) 101; Phys. Rev. D 47 (1993) 5060; Z. Ligeti, Y. Nir and M. Neubert, Phys. Rev. D 49 (1994) 1302.
56. [42] M. Neubert, Z. Ligeti and Y. Nir, Phys. Lett. B 301 (1993) 101; Phys. Rev. D 47 (1993) 5060; Z. Ligeti, Y. Nir and M. Neubert, Phys. Rev. D 49 (1994) 1302.