The diffraction cone for exclusive vector meson production in deep inelastic scattering

  • J. Nemchik
  • N. N. Nikolaev
  • E. Predazzi
  • B. G. Zakharov
  • V. R. Zoller
Nuclei, Particles, and Their Interaction

Abstract

We develop the color dipole gBFKL phenomenology of a diffraction cone for photo-and electroproduction γ*NVN of heavy vector mesons (charmonium & bottomonium) at HERA and in fixed target experiments. We predict a substantial shrinkage of the diffraction cone from the CERN/FNAL to the HERA range of c.m.s. energy W. The Q2-controlled sensitivity to the color dipole size (scanning phenomenon) is shown to lead to a decrease of the diffraction slope with Q2 (which is supported by the available experimental data). We predict an approximate flavor independence of the diffraction slope in the scaling variable Q2+mV2. For diffractive production of the radially excited 2S states (Ψ′, γ′), a counterintuitive inequality of diffraction slopes B(2S)≲B(1S) is predicted, which defies the common wisdom that diffraction slopes are larger for reactions with larger size particles.

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References

  1. 1.
    B. Z. Kopeliovich and B. G. Zakharov, Phys. Rev. D 44, 3466 (1991).CrossRefADSGoogle Scholar
  2. 2.
    M. G. Ryskin, Z. Phys. C 57, 89 (1993).CrossRefGoogle Scholar
  3. 3.
    N. N. Nikolaev, Comments Nucl. Part. Phys. 21, 41 (1992); B. Z. Kopeliovich, J. Nemchik, N. N. Nikolaev, and B. G. Zakharov, Phys. Lett. B 309, 179 (1993).Google Scholar
  4. 4.
    B. Z. Kopeliovich, J. Nemchik, N. N. Nikolaev, and B. G. Zakharov, Phys. Lett. B 324, 469 (1994).ADSGoogle Scholar
  5. 5.
    J. Nemchik, N. N. Nikolaev, and B. G. Zakharov, Phys. Lett. B 341, 228 (1994).ADSGoogle Scholar
  6. 6.
    S. J. Brodsky, L. L. Frankfurt, J. F. Gunion, A. H. Mueller, and M. Strikman, Phys. Rev. D 50, 3134 (1994).CrossRefADSGoogle Scholar
  7. 7.
    J. R. Forshaw and M. G. Ryskin, Phys. Lett. B 375, 301 (1996).ADSGoogle Scholar
  8. 8.
    D. Yu. Ivanov, Phys. Rev. D 53, 3564 (1996); I. F. Ginzburg and D. Yu. Ivanov, Phys. Rev. D 54, 5523 (1996).ADSGoogle Scholar
  9. 9.
    J. Nemchik, N. N. Nikolaev, E. Predazzi, and B. G. Zakharov, Phys. Lett. B 374, 199 (1996).ADSGoogle Scholar
  10. 10.
    J. Nemchik, N. N. Nikolaev, E. Predazzi, and B. G. Zakharov, Z. Phys. C 75, 71 (1997).CrossRefGoogle Scholar
  11. 11.
    H. G. Dosch, T. Gousset, G. Kulzinger, and H. J. Pirner, Phys. Rev. D 55, 2602 (1997).CrossRefADSGoogle Scholar
  12. 12.
    E. A. Kuraev, L. N. Lipatov, and S. V. Fadin, Zh. Éksp. Teor. Fiz. 71, 840 (1976) [Sov. Phys. JETP 44, 443 (1976)]; Zh. Éksp. Teor. Fiz. 72, 377 (1977) [Sov. Phys. JETP 45, 199 (1977)]; I. Balitsky and L. N. Lipatov, Yad. Fiz. 28, 1597, (1978) [Sov. J. Nucl. Phys. 28, 822 (1978)].Google Scholar
  13. 13.
    L. N. Lipatov, Zh. Éksp. Teor. Fiz. 90, 1536 (1986) [Sov. Phys. JETP 63, 904 (1986)]; L. N. Lipatov, in Perturbative Quantum Chromodynamics, A. H. Mueller (ed.), World Scientific (1989), p. 411.Google Scholar
  14. 14.
    N. Nikolaev and B. G. Zakharov, Zh. Éksp. Teor. Fiz. 105, 1117 (1994) [JETP 78, 598 (1994)]; Z. Phys. C 64, 631 (1994).Google Scholar
  15. 15.
    N. N. Nikolaev, B. G. Zakharov, and V. R. Zoller, JETP Lett. 59, 6 (1994); Zh. Éksp. Teor. Fiz. 105, 1498 (1994) [JETP 78, 806 (1994)]; Phys. Lett. B 328, 486 (1994).ADSGoogle Scholar
  16. 16.
    V. N. Gribov and L. N. Lipatov, Yad. Fiz. 15, 781 (1972) [Sov. J. Nucl. Phys. 15, 438 (1972)]; L. N. Lipatov, Yad. Fiz. 20, 340 (1974) [Sov. J. Nucl. Phys. 20, 181 (1974)]; Yu. L. Dokshitser, Zh. Éksp. Teor. Fiz. 73, 1216 (1977) [Sov. Phys. JETP 46, 641 (1977)]; G. Altarelli and G. Parisi, Nucl. Phys. B 126, 298 (1977).Google Scholar
  17. 17.
    N. N. Nikolaev and B. G. Zakharov, Phys. Lett. B 327, 157 (1994).ADSGoogle Scholar
  18. 18.
    E. M. Levin, Nucl. Phys. B 453, 303 (1995).CrossRefADSGoogle Scholar
  19. 19.
    K. D. Anderson, D. A. Ross, and M. G. Sotiropoulos, preprint SHEP-97-09 and UM-TH-97-12 (1997), hep-ph/9705466.Google Scholar
  20. 20.
    E. Schuryak, Rev. Mod. Phys. 65, 1 (1993).ADSGoogle Scholar
  21. 21.
    E. Gotsman and S. Nussinov, Phys. Rev. D 22, 624 (1980).CrossRefADSGoogle Scholar
  22. 22.
    A. B. Migdal, JETP Lett. 46, 256 (1987).Google Scholar
  23. 23.
    A. H. Mueller, Nucl. Phys. B 415, 373 (1994).CrossRefADSGoogle Scholar
  24. 24.
    N. N. Nikolaev and B. G. Zakharov, Z. Phys. C 49, 607 (1991); Z. Phys. C 53, 331 (1992).CrossRefGoogle Scholar
  25. 25.
    V. Barone, M. Genovese, N. N. Nikolaev, E. Predazzi, and B. G. Zakharov, Phys. Lett. B 326, 161 (1994).ADSGoogle Scholar
  26. 26.
    N. N. Nikolaev and B. G. Zakharov, Phys. Lett. B 327, 149 (1994).ADSGoogle Scholar
  27. 27.
    N. N. Nikolaev, B. G. Zakharov, and V. R. Zoller, JETP Lett. 66, 138 (1997).CrossRefADSGoogle Scholar
  28. 28.
    N. N. Nikolaev, B. G. Zakharov, and V. R. Zoller, Phys. Lett. B 366, 337 (1996).ADSGoogle Scholar
  29. 29.
    N. N. Nikolaev, B. G. Zakharov, and V. R. Zoller, JETP Lett. 60, 694 (1994).ADSGoogle Scholar
  30. 30.
    J. Nemchik, N. N. Nikolaev, and B. G. Zakharov, Phys. Lett. B 339, 194 (1994).ADSGoogle Scholar
  31. 31.
    NMC Collab.: P. Amaudruz, M. Arheodo, A. Arvidson et al., Nucl. Phys. B 371, 553 (1992).ADSGoogle Scholar
  32. 32.
    P. Frabetti, V. S. Paolone, P. M. Yager et al., presented at Int. Europhys. Conf. on HEP, Brussels, July 27–August 2, 1995.Google Scholar
  33. 33.
    H1 Collab.: C. Adloff, S. Aid, M. Anderson et al., preprint DESY 97-228 (1997), hep-ex/9711012.Google Scholar
  34. 34.
    V. N. Gribov, Zh. Éksp. Teor. Fiz. 30, 1306 (1970) [Sov. Phys. JETP 30, 709 (1970)].Google Scholar
  35. 35.
    G. Veneziano, Phys. Lett. B 52, 220 (1974); Nucl. Phys. B 74, 365 (1974); S. Nussinov, Phys. Rev. Lett. 34, 1286 (1975); G. F. Chew and C. Rosenzweig, Phys. Rep. 41, 264 (1978); A. Cappela and J. Tran Thanh Van, Phys. Lett. B 114, 450 (1982).ADSGoogle Scholar
  36. 36.
    P. V. Landshoff and O. Nachtmann, Z. Phys. C 35, 405 (1987).CrossRefGoogle Scholar
  37. 37.
    A. Donnachie and P. V. Landshoff, Phys. Lett. B 185, 403 (1987); J. R. Cuddell, Nucl. Phys. B 336, 1 (1990).ADSGoogle Scholar
  38. 38.
    V. N. Gribov and A. A. Migdal, Yad. Fiz. 8, 1213 (1969) [Sov. J. Nucl. Phys. 8, 703 (1969)].Google Scholar
  39. 39.
    N. N. Nikolaev and B. G. Zakharov, Phys. Lett. B 332, 184 (1994).ADSGoogle Scholar
  40. 40.
    S. Catani, M. Ciafaloni, and F. Hautmann, Nucl. Phys. B 366, 135 (1991).CrossRefADSGoogle Scholar
  41. 41.
    B. G. Zakharov, Yad. Fiz. 49, 1386 (1989) [Sov. J. Nucl. Phys. 49, 860 (1989)]; J. F. Gunion and D. F. Soper, Phys. Rev. D 15, 2617 (1977).Google Scholar
  42. 42.
    V. Barone, M. Genovese, N. N. Nikolaev et al., Z. Phys. C 58, 541 (1993).CrossRefGoogle Scholar
  43. 43.
    M. Genovese, N. N. Nikolaev, and B. G. Zakharov, Zh. Éksp. Teor. Fiz. 108,1141, 1155 (1995) [JETP 81, 625, 633 (1995)].Google Scholar
  44. 44.
    N. N. Nikolaev, W. Schaefer, and B. G. Zakharov, preprint KFA-IKP-TH-1996-06 (1996), hep-ph/9608338.Google Scholar
  45. 45.
    A. Schiz, L. A. Fajardo, R. Majka et al., Phys. Rev. D 24, 26 (1981); J. P. Burq, M. Chemarin, M. Chevallier et al., Phys. Lett. B 109, 111 (1982).CrossRefADSGoogle Scholar
  46. 46.
    B. Z. Kopeliovich, N. N. Nikolaev, and I. K. Potashnikova, Phys. Rev. D 39, 769 (1989).CrossRefADSGoogle Scholar
  47. 47.
    N. N. Nikolaev and B. G. Zakharov, Phys. Lett. B 333, 250 (1994).ADSGoogle Scholar
  48. 48.
    EMC Collab.: J. J. Aubert, G. Bassompiere, K. H. Becks et al., Nucl. Phys. B 213, 1 (1983); EMC Collab.: J. Ashman, B. Badelek, G. Baum et al., Z. Phys. C 39, 169 (1988).ADSGoogle Scholar
  49. 49.
    E516 Collab.: B. H. Denby, V. K. Bharadwai, D. J. Summers et al., Phys. Rev. Lett. 52, 795 (1984).CrossRefADSGoogle Scholar
  50. 50.
    E401_Collab.: M. Binkley, C. Bohler, J. Butler et al., Phys. Rev. Lett. 48, 73 (1982).CrossRefADSGoogle Scholar
  51. 51.
    E687 Collab.: P. L. Frabetti, V. S. Paolone, P. M. Yager et al., Phys. Lett. B 316, 197 (1993).ADSGoogle Scholar
  52. 52.
    ZEUS Collab.: M. Derrick, D. Krakauer, S. Magill et al., Phys. Lett. B 350, 120 (1995).ADSGoogle Scholar
  53. 53.
    ZEUS Collab.: J. Breitweg, M. Derrick, D. Krakauer et al., Z. Phys. C 75, 215 (1997).Google Scholar
  54. 54.
    H1 Collab.: T. Ahmed, S. Aid, V. Andreev et al., Phys. Lett. B 338, 507 (1994); H1 Collab.: S. Aid, V. Andreev, B. Andrieu et al., Nucl. Phys. B 472, 3 (1996).ADSGoogle Scholar
  55. 55.
    H1 Collab.: S. Aid, V. Andreev, B. Andrieu et al., Diffractive and Non-Diffractive Photoproduction of Jat H1, paper pa02-085, submitted to the 28th Intern. Conf. on High Energy Physics, Warsaw, Poland, 25–31 July 1996.Google Scholar
  56. 56.
    H1 Collab.: C. Adloff, S. Aid, M. Anderson et al., Elastic Production of JMesons in Photoproduction and at High Q 2 at HERA, paper No 242, submitted to the Intern. Europhys. Conf. on High Energy Physics, HEP97, Jerusalem, Israel, August 1997.Google Scholar
  57. 57.
    ZEUS Collab.: J. Breitweg, M. Derrick, D. Krakauer et al., Exclusive Vector Meson Production in DIS at HERA, paper No 639, submitted to the Intern. Europhys. Conf. on High Energy Physics, HEP97, Jerusalem, Israel, August, 1997.Google Scholar
  58. 58.
    H1 Collab.: S. Aid, V. Andreev, B. Andrieu et al., Nucl. Phys. B 468, 3 (1996).CrossRefADSGoogle Scholar
  59. 59.
    NMC Collab.: M. Ameodo, A. Arvidson, B. Badelek et al., Phys. Lett. B 332, 195 (1994).ADSGoogle Scholar
  60. 60.
    O. Benhar, B. G. Zakharov, N. N. Nikolaev et al., Phys. Rev. Lett. 74, 3565 (1995); O. Benhar, S. Fantoni, N. N. Nikolaev et al., Zh. Éksp. Teor. Fiz. 111, 769 (1997) [JETP 84, 421 (1997)].CrossRefADSGoogle Scholar
  61. 61.
    Review of Particle Properties, Phys. Rev. D 50, 1177 (1994).Google Scholar
  62. 62.
    NA14_Collab.: R. Barate, P. Bareyre, D. Bloch et al., Z. Phys. C 33, 505 (1987).Google Scholar
  63. 63.
    SLAC Collab.: U. Camerini, J. G. Learned, R. Prepost et al., Phys. Rev. Lett. 35, 483 (1975).CrossRefADSGoogle Scholar

Copyright information

© American Institute of Physics 1998

Authors and Affiliations

  • J. Nemchik
    • 1
    • 2
  • N. N. Nikolaev
    • 3
    • 4
  • E. Predazzi
    • 1
    • 2
  • B. G. Zakharov
    • 4
  • V. R. Zoller
    • 5
  1. 1.Dipartimento di Fisica TeoricaUniversitá di Torino and INFN, Sezione di TorinoTorinoItaly
  2. 2.Institute of Experimental PhysicsSlovak Academy of SciencesKoŝiceSlovak Republic
  3. 3.IKP(Theorie), KFA JülichJülichGermany
  4. 4.L. D. Landau Institute for Theoretical PhysicsRussian Academy of SciencesMoscowRussia
  5. 5.Institute for Theoretical and Experimental PhysicsMoscowRussia

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