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Abstract: The properties and behaviour of the solutions of the recently obtained$k t$-dependent evolution equations are investigated. When used to reproducetransverse momentum spectra of hadrons in Semi-Inclusive DIS, an encouragingagreement with data is found. The present analysis also supports at thephenomenological level the factorization properties of the Semi-Inclusive DIScross-sections in terms of $k t$-dependent distributions. Further improvementsand possible developments of the proposed evolution equations are envisaged.



Author: Federico A. Ceccopieri Parma U., Luca Trentadue Parma U. and INFN, Parma

Source: https://arxiv.org/







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