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The relation between diffraction in lepton-proton collisions and shadowing of nuclear structure functions which arises from Gribov inelastic shadowing, is described. A model realizing such relation, which produces a parameter-free…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. L. Albacete , N. Armesto , A. Capella , A. B. Kaidalov , C. A. Salgado

The cross sections for a variety of channels of proton-nucleus interaction associated with large gaps in rapidity are calculated within the Glauber-Gribov theory. We found inelastic shadowing corrections to be dramatically enhanced for such…

High Energy Physics - Phenomenology · Physics 2009-11-11 B. Z. Kopeliovich , I. K. Potashnikova , Ivan Schmidt

New data from HERA experiment on (diffractive) deep inelastic scattering has been used to parameterize nucleon and Pomeron structure functions. Within the Gribov theory, the parameterizations were employed to calculate gluon shadowing for…

High Energy Physics - Phenomenology · Physics 2011-09-13 K. Tywoniuk , I. C. Arsene , L. Bravina , A. B. Kaidalov , E. Zabrodin

Nuclear shadowing corrections to the structure functions of deep inelastic scattering of intermediate-mass nuclei are calculated at very low values of Bjorken x and small values of Q^2 (Q^2<5 GeV^2). The two-component approach (generalized…

High Energy Physics - Phenomenology · Physics 2015-12-16 Edgar V. Bugaev , Boris V. Mangazeev

New data from HERA experiment on deep inelastic scattering have been used to parametrize nucleon and Pomeron structure functions. Within the Gribov theory, the parameterizations were employed to calculate gluon shadowing for various heavy…

High Energy Physics - Phenomenology · Physics 2009-11-11 K. Tywoniuk , I. C. Arsene , L. Bravina , A. B. Kaidalov , E. Zabrodin

The cross sections for a variety of diffractive processes in proton-nucleus scattering, associated with large gaps in rapidity, are calculated within an improved Glauber-Gribov theory, where the inelastic shadowing corrections are summed to…

Nuclear Theory · Physics 2014-11-20 M. Alvioli , C. Ciofi degli Atti , B. Z. Kopeliovich , I. K. Potashnikova , I. Schmidt

Nuclear shadowing corrections to the structure functions of deep inelastic scattering on intermediate-mass nuclei are calculated at very small values of Bjorken x and small values of Q^2 (Q^2<5 Gev^2). The two-component approach developed…

High Energy Physics - Phenomenology · Physics 2020-09-02 Edgar V. Bugaev , Boris V. Mangazeev

The phenomenon of shadowing of nuclear structure functions at small values of Bjorken-$x$ is analyzed. First, multiple scattering is discussed as the underlying physical mechanism. In this context three different but related approaches are…

High Energy Physics - Phenomenology · Physics 2014-11-18 N. Armesto

A model for shadowing in nuclear structure functions at small $x$ and small or moderate $Q^2$ is presented using the relation with diffraction that arises from Gribov's reggeon calculus. A reasonable description of the experimental data is…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. L. Albacete , N. Armesto , A. Capella , A. B. Kaidalov , C. A. Salgado

We consider the nuclear shadowing in deep-inelastic scattering corresponding to kinematic regions accessible by future experiments at electron-ion colliders. The gluon distribution at small $x$ is obtained using an improved dipole model…

Nuclear Theory · Physics 2024-11-25 G. R. Boroun , B. Rezaei

The so called number of hadron-nucleus collisions n_coll(b) at impact parameter b, and its integral value N_coll, which are used to normalize the measured fractional cross section of a hard process, are calculated within the Glauber-Gribov…

In this work, coherence effects in deep inelastic scattering (DIS) and in the Drell-Yan (DY) process off nuclei are investigated, in particular nuclear shadowing. The target rest frame and the color dipole formulation are employed. Multiple…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Raufeisen

We use Lyapunov type functions to find conditions of finite shadowing in a neighborhood of a nonhyperbolic fixed point of a one-dimensional or two-dimensional homeomorphism or diffeomorphism. A new concept of shadowing in which we control…

Dynamical Systems · Mathematics 2013-11-18 Alexey A. Petrov , Sergei Yu. Pilyugin

Gribov theory is applied to investigate the shadowing effects in the structure functions of nuclei. In this approach these effects are related to the process of diffractive dissociation of a virtual photon. A model for this diffractive…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Capella , A. Kaidalov , C. Merino , D. Pertermann , J. Tran Thanh Van

Gribov theory is applied to investigate the shadowing effects in the structure functions of nuclei. In this approach these effects are related to the process of diffractive dissociation of a virtual photon. A model for this diffractive…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. Capella , A. Kaidalov , C. Merino , D. Pertermann , J. Tran Thanh Van

High-energy diffractive physics has several interests for theoreticians and experimentalists. We first remind the reader of the main characteristics of diffraction in particles physics and present the calculation of a two-gluon exchange in…

High Energy Physics - Phenomenology · Physics 2007-08-03 A. Dechambre

We consider deep inelastic scattering off nuclei in the Regge limit within the Glauber-Gribov model. Using unitarized parton distribution functions for the proton, we find sizeable shadowing effects on the nuclear total and longitudinal…

High Energy Physics - Phenomenology · Physics 2014-11-20 Nestor Armesto , Alexei B. Kaidalov , Carlos A. Salgado , Konrad Tywoniuk

Gribov approach to high-energy interactions of hadrons and nuclei is reviewed and applied to calculation of particle production in heavy-ions collisions. It is pointed out that the AGK (Abramovsky, Gribov, Kancheli) cutting rules is a…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. Capella , A. Kaidalov , J. Tran Thanh Van

The approach to problem of nuclear shadowing based on Gribov Reggeon calculus is presented. Here the total cross section of $h A$ interaction is found in a parameter-free description, employing the new data on the gluon density of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Konrad Tywoniuk , Ionut Arsene , Larissa Bravina , Alexey Kaidalov , Eugene Zabrodin

Complex fission phenomena are studied in a unified way. Very general reflection asymmetrical equilibrium (saddle point) nuclear shapes are obtained by solving an integro-differential equation without being necessary to specify a certain…

Nuclear Theory · Physics 2009-11-10 D. N. Poenaru , R. A. Gherghescu , W. Greiner
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