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@ARTICLE{Zoller:31927,
      author       = {Zoller, V. R.},
      title        = {{D}iffractive beauty photoproduction as a short distance
                      probe of {QCD} pomeron},
      journal      = {Physics letters / B},
      volume       = {509},
      issn         = {0370-2693},
      address      = {Amsterdam},
      publisher    = {North-Holland Publ.},
      reportid     = {PreJuSER-31927},
      year         = {2001},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {High-energy open beauty photoproduction probes the vacuum
                      exchange at distances similar to 1/m(b) and detects
                      significant corrections to the BFKL asymptotics coming from
                      the subleading vacuum poles. We show that the interplay of
                      leading and subleading vacuum exchanges gives rise to the
                      cross section sigma (b (b) over bar)(W) growing much faster
                      than it is prescribed by the exchange of the leading pomeron
                      trajectory with intercept alpha (P)(0) - 1 = Delta (P) =
                      0.4. Our calculations within the color dipole BFKL model are
                      in agreement with the recent determination of sigma (b (b)
                      over bar)(W) by th, H1 Collaboration. The comparative
                      analysis of diffractive photoproduction of beauty, charm and
                      light quarks exhibits the hierarchy of pre-asymptotic
                      pomeron intercepts which follows the hierarchy of
                      corresponding hardness scales, We comment on the phenomenon
                      of decoupling of soft and subleading BFKL singularities at
                      the scale of elastic gamma (1S)-photoproduction which
                      results in precocious color dipole BFKL asymptotics of the
                      process gammap --> gammap. (C) 2001 Published by Elsevier
                      Science B.V.},
      keywords     = {electron p: inclusive reaction (INSPIRE) / photon p:
                      inclusive reaction (INSPIRE) / bottom: photoproduction
                      (INSPIRE) / bottom: pair production (INSPIRE) / diffraction
                      (INSPIRE) / quantum chromodynamics: pomeron (INSPIRE) /
                      color: dipole (INSPIRE) / Lipatov equation (INSPIRE) / Regge
                      poles (INSPIRE) / channel cross section: energy dependence
                      (INSPIRE) / p: structure function (INSPIRE) / Upsilon(9460):
                      photoproduction (INSPIRE) / numerical calculations (INSPIRE)
                      / interpretation of experiments: DESY HERA Stor (INSPIRE)},
      cin          = {IKP-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB25},
      pnm          = {Theoretische Kernphysik},
      pid          = {G:(DE-Juel1)FUEK39},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000169426200009},
      eprint       = {hep-ph/0104093},
      howpublished = {arXiv:hep-ph/0104093},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:hep-ph/0104093;\%\%$},
      eprint       = {oai:arXiv.org:hep-ph/0104093},
      howpublished = {arXiv:oai:arXiv.org:hep-ph/0104093},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:oai:arXiv.org:hep-ph/0104093;\%\%$},
      doi          = {10.1016/S0370-2693(01)00538-X},
      url          = {https://juser.fz-juelich.de/record/31927},
}