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Related papers: Collective Phenomena in $pp$ and $ep$ Scattering

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The proton structure function is re-deduced from the data of deep inelastic electron-proton scattering after enhanced correction that is made due to the multiple scattering effect. The Glauber approach is used to account for the multiple…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. M. Hassan , W. R. El-Harby , R. W. El-Moualed And M. T. Hussein

Deep inelastic electron scattering (DIS) from nucleons at low values of the Bjorken variable $x \cong Q^2/W^2 \lsim ~ 0.1$ proceeds via fluctuations of the photon into quark-antiquark dipole states that subsequently interact with the gluon…

High Energy Physics - Phenomenology · Physics 2015-06-03 Dieter Schildknecht

We review the theoretical interpretation of deep-inelastic electron-proton scattering at low values of the Bjorken variable $x \simeq Q^2/W^2 \lsim 0.1$. The process proceeds via the interaction of quark-antiquark $(q \bar q)$ color-dipole…

High Energy Physics - Phenomenology · Physics 2012-10-03 Dieter Schildknecht

This is a review of the program we started in 1968 to understand and generalize Bjorken scaling and Feynman's parton model in a canonical quantum field theory. It is shown that the parton model proposed for deep inelastic electron…

High Energy Physics - Phenomenology · Physics 2015-06-22 Tung-Mow Yan , Sidney D. Drell

It is known that multiple partonic scatterings in high-energy proton-proton ($pp$) collisions must happen in parallel. However, a rigorous parallel scattering formalism, taking energy sharing properly into account, fails to reproduce…

High Energy Physics - Phenomenology · Physics 2023-12-21 Klaus Werner

We discuss basic concepts and properties of diffractive phenomena in soft hadron collisions and in deep-inelastic scattering at low Bjorken-x. The paper is not a review of the rapidly developing field but presents an attempt to show in…

High Energy Physics - Phenomenology · Physics 2011-07-19 E. A. De Wolf

We compute total and differential elastic cross sections of high-energy hadronic collisions in the loop-loop correlation model that provides a unified description of hadron-hadron, photon-hadron, and photon-photon reactions. The impact…

High Energy Physics - Phenomenology · Physics 2007-05-23 Arif I. Shoshi , Frank D. Steffen

The solution to the BFKL equation grows like a power of center of mass energy, s, violating unitarity conditions at high energies. The growth of the cross section can be tamed by taking into account multiple pomeron exchanges. This is known…

High Energy Physics - Phenomenology · Physics 2007-05-23 Emil Avsar

High energy (CERN SPS and LHC) inelastic $pp$ ($p\bar p$) scattering is treated in the framework of additive quark model together with Pomeron exchange theory. We extract the midrapidity inclusive density of the charged secondaries produced…

High Energy Physics - Phenomenology · Physics 2016-09-21 Yu. M. Shabelski , A. G. Shuvaev

Few composite exponential models for the differential cross section are proposed to analyse the proton-proton ($pp$) elastic scattering at several energies. These proposed models are fitted to the data for $pp$ elastic differential cross…

High Energy Physics - Phenomenology · Physics 2025-06-09 Muhammad Saad Ashraf , Nosheen Akbar , Sarwat Zahra

In this work, we investigate the scaling behavior of the entropy associated with the charged hadron multiplicity distribution P(N) in proton-proton collisions at the LHC. We show that the growth of this entropic indicator as a function of…

High Energy Physics - Phenomenology · Physics 2025-11-14 L. S. Moriggi , F. S. Navarra , M. V. T. Machado

Among the dipole models of deep inelastic scattering at small values of the Bjorken variable $x$, one has been recently proposed which relates the virtual photon-proton cross section to the dipole-proton forward scattering amplitude in…

High Energy Physics - Phenomenology · Physics 2008-12-18 E. Basso , M. B. Gay Ducati , E. G. de Oliveira , J. T. de Santana Amaral

Final results of a detailed analysis of p+p elastic scattering data are presented, utilizing the quark-diquark model of protons in a form proposed by Bialas and Bzdak. The differential cross-section of elastic proton-proton collisions is…

High Energy Physics - Phenomenology · Physics 2016-08-14 F. Nemes , T. Csörgő

We investigate saturation effects in exclusive vector meson production in deep inelastic scattering (DIS), where we model fluctuations within the target protons as localized color-charge hotspots. Based on the Color Glass Condensate (CGC)…

High Energy Physics - Phenomenology · Physics 2025-12-03 Oscar Garcia-Montero , Yannik Hoffmann , Sören Schlichting

Parton distributions can be defined in terms of the entropy of entanglement between the spatial region probed by deep inelastic scattering (DIS) and the rest of the proton. For very small $x$, the proton becomes a maximally entangled state.…

High Energy Physics - Phenomenology · Physics 2021-09-08 Dmitri E. Kharzeev , Eugene Levin

The Bialas-Bzdak model of elastic proton-proton scattering is generalized to the case when the real part of the parton-parton level forward scattering amplitude is non-vanishing. Such a generalization enables the model to describe well the…

High Energy Physics - Phenomenology · Physics 2014-01-14 T. Csörgő , F. Nemes

Coherence phenomena, and the non-universality of parton structure of the effective Pomeron are explained. New hard phenomena directly calculable in QCD such as diffractive electroproduction of states with $M^2\ll Q^2$ as well as new options…

High Energy Physics - Phenomenology · Physics 2007-05-23 Leonid Frankfurt , Mark Strikman

It has been proposed that at small Bjorken $x$, or equivalently at high energy, hadrons represent maximally entangled states of quarks and gluons. This conjecture is in accord with experimental data from the electron-proton collider HERA at…

High Energy Physics - Phenomenology · Physics 2024-01-22 Martin Hentschinski , Dmitri E. Kharzeev , Krzysztof Kutak , Zhoudunming Tu

First results of a detailed analysis of p+p elastic scattering data are presented from ISR to LHC energies utilizing the quark-diquark model of protons in a form proposed by Bialas and Bzdak. The differential cross-section of elastic…

High Energy Physics - Phenomenology · Physics 2012-02-14 F. Nemes , T. Csörgő

Non-perturbative corrections to the LO cross section formulae for DIS and the Drell-Yan process were calculated. The interaction of partons was taken into account via dressing the incoming quark lines with spectral functions. We found the…

High Energy Physics - Phenomenology · Physics 2015-06-25 O. Linnyk , S. Leupold , U. Mosel