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Color screening, absorption, and σ pptot at LHC

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Abstract

We show that a growth of the proton-proton total cross section with energy can be entirely attributed to the purely perturbative mechanism. The infrared regularization at rather short distances R c ≅ 0.3 fm allows extending the BFKL technique from deep inelastic to hadron-hadron scattering. With the inclusion of the absorption corrections our results are in agreement with the LHC data on σ pptot .

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Authors and Affiliations

  1. Dipartimento di Fisica, Università della Calabria and Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Cosenza, Rende, Cosenza, I-87036, Italy

    R. Fiore

  2. Landau Institute for Theoretical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, 142432, Russia

    N. N. Nikolaev

  3. Alikhanov Institute for Theoretical and Experimental Physics, Moscow, 117218, Russia

    V. R. Zoller

Authors
  1. R. Fiore
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  2. N. N. Nikolaev
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  3. V. R. Zoller
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Correspondence to R. Fiore.

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Fiore, R., Nikolaev, N.N. & Zoller, V.R. Color screening, absorption, and σ pptot at LHC. Jetp Lett. 99, 363–367 (2014). https://doi.org/10.1134/S0021364014070066

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