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Related papers: Small-x Dipole Evolution Beyond the Large-N_c Limi…

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By combining the color dipole model of the nucleon with the assumption that cross sections behave asymptotically as $\ln^2(s)$, we are able to describe the data for photon, neutrino and hadron interactions with protons at all energies, $s$…

High Energy Physics - Phenomenology · Physics 2015-11-04 Carlos A. Arguelles , Francis Halzen , Logan Wille , Mike Kroll , Mary Hall Reno

A study on the prompt photon production within the QCD color dipole picture with emphasis in $pp$ and $pA$ collisions at the LHC energy regimes is performed. We present predictions for the differential cross section as a function of photon…

High Energy Physics - Phenomenology · Physics 2020-09-29 G. Sampaio dos Santos , G. Gil da Silveira , M. V. T. Machado

The small x evolution of the QCD pomeron and the QCD odderon is investigated in the mean field limit of the Color Glass Condensate. The resulting system of coupled nonlinear evolution equations is transformed to the momentum space and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Leszek Motyka

The measurement of the proton structure function at HERA is often seen as a hint for the observation of saturation in high-energy QCD e.g. through the observation of geometric scaling. Accordingly, the dipole picture provides a powerful…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Soyez

We use recent results for the gamma*L -> rhoL and gamma*T -> rhoT impact factors, computed in the impact parameter representation within the collinear factorization scheme, to get predictions for the polarized cross-sections sigmaT and…

High Energy Physics - Phenomenology · Physics 2015-06-15 A. Besse , L. Szymanowski , S. Wallon

A revision of Stod\{'o}{\l}kiewicz's Monte Carlo code is used to simulate evolution of large star clusters. A survey of the evolution of N-body systems influenced by the tidal field of a parent galaxy and by stellar evolution is presented.…

Astrophysics · Physics 2015-06-24 Mirek Giersz

We present a modification of the DGLAP improved saturation model with respect to the nonlinear correction (NLC). The GLR-MQ improved saturation model is considered by employing the parametrization of proton structure function due to the…

High Energy Physics - Phenomenology · Physics 2023-01-24 G. R. Boroun

In the framework of the many-electron s-d exchange model and Hubbard model, self-consistent equations are derived for the one-particle retarded Green's function in the many-electron Hubbard X-operator representation. We analyze the general…

Strongly Correlated Electrons · Physics 2015-06-03 A. O. Anokhin , A. V. Zarubin , V. Yu. Irkhin

Two photon collisions at high energy have an important theoretical advantage: the simplicity of the initial state, which gives us a unique opportunity to calculate these processes for large virtualities of both photons in perturbative QCD…

High Energy Physics - Phenomenology · Physics 2011-09-13 Michael Kozlov , Eugene Levin

We explore possible extensions of the $t$-channel and $s$-channel unitary model of high energy evolution in zero transverse dimensions appropriate to very high energy/atomic number where the dipole density in a toy hadron is parametrically…

High Energy Physics - Phenomenology · Physics 2022-05-18 A. Kovner , E. Levin , M. Lublinsky

We apply the chiral color dielectric model to low- and medium-energy scattering within the coupled $\pi$N and $\pi\Delta$ system. Dynamic baryon states in which quarks are confined by the scalar color-dielectric field are constructed in…

Nuclear Theory · Physics 2009-09-25 Dinghui Lu , Shashikant C. Phatak , Rubin H. Landau

We show the role played by QCD evolution and skewedness effects in the DVCS cross section at large $Q^2$ within the color dipole description of the process at photon level. The dipole cross section is given by the saturation model, which…

High Energy Physics - Phenomenology · Physics 2014-11-17 L. Favart , M. V. T. Machado

The Impact-Parameter dependent Color Glass Condensate (b-CGC) and Saturation (IP-Sat) dipole models incorporate key features of small-x physics properties and match smoothly to the perturbative QCD regime at large $Q^2$ for a given $x$.…

High Energy Physics - Phenomenology · Physics 2014-07-24 Amir H. Rezaeian

Based upon the color-dipole picture, we provide closed analytic expressions for the longitudinal and the transverse photoabsorption cross sections at low values of the Bjorken variable of x<0.1. We compare with the experimental data for the…

High Energy Physics - Phenomenology · Physics 2016-11-23 Masaaki Kuroda , Dieter Schildknecht

We develop a loop-loop correlation model for a unified description of static color dipole potentials, confining QCD strings, and hadronic high-energy reactions with special emphasis on saturation effects manifesting S-matrix unitarity at…

High Energy Physics - Phenomenology · Physics 2007-05-23 Frank Daniel Steffen

Following the Good-and-Walker picture, hard diffraction in the high-energy/small-x limit of QCD can be described in terms of eigenstates of the scattering matrix off a Color Glass Condensate. From the CGC non-linear evolution equations, it…

High Energy Physics - Phenomenology · Physics 2007-06-13 Cyrille Marquet

Both total and diffractive cross sections from HERA are successfully confronted with JIMWLK evolution equations in the asymptotic pseudo-scaling region. We present a consistent, simultaneous description of both types of cross sections that…

High Energy Physics - Phenomenology · Physics 2015-05-30 Janne Kuokkanen , Kari Rummukainen , Heribert Weigert

In this paper we extend the color dipole formalism to the study of leading neutron production in $e + p \rightarrow e + n + X$ collisions at high energies and estimate the related observables, which were measured at HERA and may be analysed…

High Energy Physics - Phenomenology · Physics 2015-11-25 F. Carvalho , V. P. Gonçalves , D. Spiering , F. S. Navarra

Using the colour dipole picture for photon-nucleus interactions at small $x$ together with the Color Glass Condensate (CGC) effective theory, we demonstrate that the next-to-leading (NLO) order corrections to the cross-section for the…

High Energy Physics - Phenomenology · Physics 2025-05-05 Paul Caucal , Edmond Iancu

The scale-dependent dipole-pion cross section is analyzed as a function of the dipole size $r$ and the impact parameter $b$. This analysis relies on the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equation in ${\mu}{\sim}…

High Energy Physics - Phenomenology · Physics 2025-07-16 G. R. Boroun , B. Z. Kopeliovich