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Diffractive deep-inelastic scattering with a leading proton at HERA

  • Experimental Physics
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Abstract

The cross section for the diffractive deep-inelastic scattering process ep→eXp is measured, with the leading final state proton detected in the H1 Forward Proton Spectrometer. The data analysed cover the range xIP<0.1 in fractional proton longitudinal momentum loss, 0.08<|t|<0.5 GeV-2 in squared four-momentum transfer at the proton vertex, 2<Q2<50 GeV2 in photon virtuality and 0.004<β=x/xIP<1, where x is the Bjorken scaling variable. For \(x_{I\!\!P}\lesssim10^{-2}\), the differential cross section has a dependence of approximately dσ/dt∝e6t, independently of xIP, β and Q2 within uncertainties. The cross section is also measured triple differentially in xIP, β and Q2. The xIP dependence is interpreted in terms of an effective pomeron trajectory with intercept αIP(0)=1.114±0.018(stat.)±0.012(syst.)+0.040 -0.020(model) and a sub-leading exchange. The data are in good agreement with an H1 measurement for which the event selection is based on a large gap in the rapidity distribution of the final state hadrons, after accounting for proton dissociation contributions in the latter. Within uncertainties, the dependence of the cross section on x and Q2 can thus be factorised from the dependences on all studied variables which characterise the proton vertex, for both the pomeron and the sub-leading exchange.

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References

  1. H1 Collaboration, T. Ahmed et al., Nucl. Phys. B 429, 477 (1994)

    Article  ADS  Google Scholar 

  2. H1 Collaboration, T. Ahmed et al., Phys. Lett. B 348, 681 (1995) [hep-ex/9503005]

    Article  ADS  Google Scholar 

  3. H1 Collaboration, C. Adloff et al., Z. Phys. C 76, 613 (1997) [hep-ex/9708016]

    Article  Google Scholar 

  4. H1 Collaboration, hep-ex/0606004, accepted by Eur. Phys. J. C

  5. ZEUS Collaboration, M. Derrick et al., Phys. Lett. B 315, 481 (1993)

    Article  ADS  Google Scholar 

  6. ZEUS Collaboration, M. Derrick et al., Z. Phys. C 68, 569 (1995) [hep-ex/9505010]

    Article  Google Scholar 

  7. ZEUS Collaboration, J. Breitweg et al., Eur. Phys. J. C 6, 43 (1999) [hep-ex/9807010]

    Article  ADS  Google Scholar 

  8. ZEUS Collaboration, S. Chekanov et al., Eur. Phys. J. C 25, 169 (2002) [hep-ex/0203039]

    ADS  Google Scholar 

  9. ZEUS Collaboration, S. Chekanov et al., Eur. Phys. J. C 38, 43 (2004) [hep-ex/0408009]

    Article  ADS  Google Scholar 

  10. ZEUS Collaboration, S. Chekanov et al., Nucl. Phys. B 713, 3 (2005) [hep-ex/0501060]

    Article  ADS  Google Scholar 

  11. H1 Collaboration, C. Adloff et al., Eur. Phys. J. C 6, 587 (1999) [hep-ex/9811013]

    Article  ADS  Google Scholar 

  12. H1 Collaboration, C. Adloff et al., Nucl. Phys. B 619, 3 (2001) [hep-ex/0106070]

    Article  ADS  Google Scholar 

  13. J. Collins, Phys. Rev. D 57, 3051 (1998) [hep-ph/9709499] [Erratum 61, 019902 (2000)]

    Article  ADS  Google Scholar 

  14. V. Gribov, L. Lipatov, Sov. J. Nucl. Phys. 15, 438 (1972) [V. Gribov, L. Lipatov, Yad. Fiz. 15, 781 (1972)]

    Google Scholar 

  15. V. Gribov, L. Lipatov, Sov. J. Nucl. Phys. 15, 675 (1972) [V. Gribov, L. Lipatov, Yad. Fiz. 15, 1218 (1972)]

    Google Scholar 

  16. Y. Dokshitzer, Sov. Phys. JETP 46, 641 (1977) [Y. Dokshitzer, Zh. Eksp. Teor. Fiz. 73, 1216 (1977)]

    Google Scholar 

  17. G. Altarelli, G. Parisi, Nucl. Phys. B 126, 298 (1977)

    Article  ADS  Google Scholar 

  18. P. Van Esch et al., Nucl. Instrum. Methods A 446, 409 (2000) [hep-ex/0001046]

    Article  ADS  Google Scholar 

  19. H1 Collaboration, I. Abt et al., Nucl. Instrum. Methods A 386, 310 (1997)

    Article  ADS  Google Scholar 

  20. H1 Collaboration, I. Abt et al., Nucl. Instrum. Methods A 386, 348 (1997)

    Article  ADS  Google Scholar 

  21. H1 SPACAL Group, R. Appuhn et al., Nucl. Instrum. Methods A 386, 397 (1997)

    Article  ADS  Google Scholar 

  22. H1 Collaboration, C. Adloff et al., Eur. Phys. J. C 21, 33 (2001) [hep-ex/0012053]

    ADS  Google Scholar 

  23. H1 Calorimeter Group, B. Andrieu et al., Nucl. Instrum. Methods A 336, 499 (1993)

    Article  ADS  Google Scholar 

  24. H1 Calorimeter Group, B. Andrieu et al., Nucl. Instrum. Methods A 350, 57 (1994)

    Article  Google Scholar 

  25. H1 Collaboration, C. Adloff et al., Z. Phys. C 74, 221 (1997) [hep-ex/9702003]

    Article  Google Scholar 

  26. O. Karschnik, Ph.D. thesis (University of Hamburg, 2001), available athttp://www-h1.desy.de/publications/theses-list.html

  27. H1 Collaboration, S. Aid et al., Nucl. Phys. B 463, 3 (1996) [hep-ex/9601004]

    Article  ADS  Google Scholar 

  28. S. Bentvelsen et al., Proceedings of the Workshop “Physics at HERA”, ed. by W. Buchmüller, G. Ingelman, DESY (1992), p. 23, C. Hoeger, ibid. 43

  29. A. Blondel, F. Jacquet, Proceedings of the Study of an ep Facility for Europe, ed. by U. Amaldi, DESY 79/48 (1979), p. 391

  30. K. Golec-Biernat, M. Wüsthoff, Phys. Rev. D 59, 014017 (1999) [hep-ph/9807513]

    Article  ADS  Google Scholar 

  31. K. Golec-Biernat, M. Wüsthoff, Phys. Rev. D 60, 114023 (1999) [hep-ph/9903358]

    Article  ADS  Google Scholar 

  32. H. Jung, Comput. Phys. Commun. 86, 147 (1995), see also http://www.desy.de/∼jung/rapgap.html

    Article  ADS  Google Scholar 

  33. B. Andersson, G. Gustafson, G. Ingelman, T. Sjöstrand, Phys. Rep. 97, 31 (1983)

    Article  ADS  Google Scholar 

  34. T. Sjöstrand, Comput. Phys. Commun. 82, 74 (1994)

    Article  ADS  Google Scholar 

  35. R. Engel, J. Ranft, Phys. Rev. D 54, 4244 (1996) [hep-ph/9509373]

    Article  ADS  Google Scholar 

  36. B. List, A. Mastroberardino, Proc. of the Workshop on Monte Carlo Generators for HERA Physics, ed. by A. Doyle, G. Grindhammer, G. Ingelman, H. Jung, DESY-PROC-1999-02 (1999), p. 396

  37. A. Kwiatkowski, H. Spiesberger, H. J. Möhring, Comput. Phys. Commun. 69, 155 (1992)

    Article  ADS  Google Scholar 

  38. G. Jaroszkiewicz, P. Landshoff, Phys. Rev. D 10, 170 (1974)

    Article  ADS  Google Scholar 

  39. A. Donnachie, P. Landshoff, Phys. Lett. B 296, 227 (1992) [hep-ph/9209205]

    Article  ADS  Google Scholar 

  40. J. Cudell, K. Kang, S. Kim, Phys. Lett. B 395, 311 (1997) [hep-ph/9601336]

    Article  ADS  Google Scholar 

  41. ZEUS Collaboration, S. Chekanov et al., Eur. Phys. J. C 24, 345 (2002) [hep-ex/0201043]

    Article  ADS  Google Scholar 

  42. H1 Collaboration, A. Aktas et al., Eur. Phys. J. C 46, 585 (2006) [hep-ex/0510016]

    Article  ADS  Google Scholar 

  43. ZEUS Collaboration, J. Breitweg et al., Eur. Phys. J. C 14, 213 (2000) [hep-ex/9910038]

    Article  ADS  Google Scholar 

  44. J. Bartels, H. Kowalski, Eur. Phys. J. C 19, 693 (2001) [hep-ph/0010345]

    ADS  Google Scholar 

  45. I. Ivanov, N. Nikolaev, A. Savin, hep-ph/0501034

  46. J. Owens, Phys. Rev. D 30, 943 (1984)

    Article  ADS  Google Scholar 

  47. Serpukhov-CERN Collaboration, W. Apel et al., Nucl. Phys. B 154, 189 (1979)

    Article  ADS  Google Scholar 

  48. Serpukhov-CERN Collaboration, W. Apel et al., Yad. Fiz. 30, 373 (1979)

    Google Scholar 

  49. A. Kaidalov, Phys. Rep. 50, 157 (1979)

    Article  ADS  Google Scholar 

  50. J. Bartels, J. Ellis, H. Kowalski, M. Wüsthoff, Eur. Phys. J. C 7, 443 (1999) [hep-ph/9803497]

    Article  ADS  Google Scholar 

  51. J. Bartels, K. Golec-Biernat, H. Kowalski, Phys. Rev. D 66, 014001 (2002) [hep-ph/0203258]

    Article  ADS  Google Scholar 

  52. A. Hebecker, T. Teubner, Phys. Lett. B 498, 16 (2001) [hep-ph/0010273]

    Article  ADS  Google Scholar 

Download references

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Correspondence to E. Perez.

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Aktas, A., Andreev, V., Anthonis, T. et al. Diffractive deep-inelastic scattering with a leading proton at HERA. Eur. Phys. J. C 48, 749–766 (2006). https://doi.org/10.1140/epjc/s10052-006-0046-0

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  • DOI: https://doi.org/10.1140/epjc/s10052-006-0046-0

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