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Single particle spectra in deep inelastic scattering as a probe of small x dynamics

  • Theoretical physics
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Abstract.

We study the transverse momentum (\(p_T\)) spectrum of charged particles produced in deep inelastic scattering (DIS) at small Bjorken x in the central region between the current jet and the proton remnants. We calculate the spectrum at large \(p_T\) with the BFKL ln (1/x) resummation included and then repeat the calculation with it omitted. We find that data favour the former. We normalize our BFKL predictions by comparing with HERA data for DIS containing a forward jet. The shape of the x distribution of DIS + jet data is also well described by BFKL dynamics.

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Authors and Affiliations

  1. Department of Physics, University of Durham, Durham, DH1 3LE, UK , , , , , , GB

    J. Kwiecinski, S.C. Lang & A.D. Martin

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  1. J. Kwiecinski
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  2. S.C. Lang
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  3. A.D. Martin
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Received: 4 May 1998 / Published online: 21 August 1998

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Kwiecinski, J., Lang, S. & Martin, A. Single particle spectra in deep inelastic scattering as a probe of small x dynamics. Eur. Phys. J. C 6, 671–680 (1999). https://doi.org/10.1007/s100529800945

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  • DOI: https://doi.org/10.1007/s100529800945

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