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相关论文: Nuclear DVCS within the high energy QCD color dipo…

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Using the high energy color dipole formalism, we study the coherent and incoherent nuclear DVCS process in the small-x regime. We consider simple models for the elementary dipole-hadron scattering amplitude that captures main features of…

高能物理 - 唯象学 · 物理学 2009-05-20 M. V. T. Machado

We present a QCD analysis of the neutral current neutrino-nucleus interaction at the small-x region using the color dipole formalism. This phenomenological approach is quite successful in describing experimental results in deep inelastic ep…

高能物理 - 唯象学 · 物理学 2009-11-06 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

In this contribution we present an exploratory QCD analysis of the neutrino structure functions in charged current DIS using the color dipole formalism. The corresponding dipole cross sections are taken from recent phenomenological and…

高能物理 - 唯象学 · 物理学 2011-08-04 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

We present an exploratory QCD analysis of the neutrino structure functions in charged current DIS using the color dipole formalism. The dipole cross sections are taken from recent phenomenological/theoretical studies in deep inelastic…

高能物理 - 唯象学 · 物理学 2008-11-26 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

Coherent photoproduction of heavy quarkonia on nuclear targets is studied within the QCD color dipole formalism including several main phenomena: i) The correlation between impact parameter of a collision $\vec b$ and dipole orientation…

高能物理 - 唯象学 · 物理学 2022-12-08 J. Nemchik , B. Z. Kopeliovich

The study of exclusive processes in the future electron-ion ($eA$) colliders will be an important tool to investigate the QCD dynamics at high energies as they are in general driven by the gluon content of the target which is strongly…

高能物理 - 唯象学 · 物理学 2015-06-11 V. P. Goncalves , D. S. Pires

CONTENTS. 1.Introduction, 1.1 QCD ideas to be tested; 2. Coherence phenomena in QED, 2.1 Charge transparency, 2.2 Charge filtering, 2.3 Charge opacity; 3. Color transparency in perturbative QCD, 3.1 Coherence length in QCD, 3.2 Bjorken…

高能物理 - 唯象学 · 物理学 2009-10-28 L. L. Frankfurt , G. A. Miller , M. Strikman

In this work we estimate the differential and total cross sections for the high energy deeply virtual Compton scattering in the weak sector. In the weak neutral sector one considers neutrino scattering off an unpolarized proton target…

高能物理 - 唯象学 · 物理学 2008-11-26 M. V. T. Machado

In this work we estimate the heavy quark production in proton-proton and proton-nucleus collisions at LHC energies using the color dipole formalism and the solution of the running coupling Balitsky-Kovchegov equation. Nuclear effects are…

高能物理 - 唯象学 · 物理学 2015-05-30 E. R. Cazaroto , V. P. Goncalves , F. S. Navarra

We study the DVCS amplitude within the color dipole approach. The light-cone wave function of a real photon is evaluated in the instanton vacuum model. Our parameter free calculations are able to describe H1 data, both the absolute values…

高能物理 - 唯象学 · 物理学 2009-04-23 B. Z. Kopeliovich , Ivan Schmidt , M. Siddikov

We present a revision of predictions for nuclear shadowing in deep-inelastic scattering at small Bjorken $x_{Bj}$ corresponding to kinematic regions accessible by the future experiments at electron-ion colliders. The nuclear shadowing is…

高能物理 - 唯象学 · 物理学 2020-06-11 Michal Krelina , Jan Nemchik

In this paper, we discuss the feasibility of measuring deeply virtual Compton scattering (DVCS) on nuclei in a collider setting, as for example, the planned high-luminosity Electron-Ion-Collider (EIC). We demonstrate that employing our…

高能物理 - 唯象学 · 物理学 2009-11-10 A. Freund , M. Strikman

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, $s$…

高能物理 - 唯象学 · 物理学 2015-11-04 Carlos A. Arguelles , Francis Halzen , Logan Wille , Mike Kroll , Mary Hall Reno

The differential cross section of coherent photo-production of heavy quarkonia on nuclear targets is calculated within the QCD color dipole formalism. The higher-twist nuclear shadowing corresponding to the $\bar QQ$ Fock component of the…

高能物理 - 唯象学 · 物理学 2022-06-23 B. Z. Kopeliovich , M. Krelina , J. Nemchik , I. K. Potashnikova

In this contribution we study the photoproduction of quarkonium in coherent proton-proton and nucleus-nucleus interactions at the LHC. The integrated cross sections and rapidity distributions are estimated using the Color Glass Condensate…

高能物理 - 唯象学 · 物理学 2007-06-20 V. P. Goncalves , M. V. T. Machado

We calculate the photonuclear production of heavy quarks in ultraperipheral heavy ion collisions. The integrated cross section and the rapidity distribution are computed employing sound high energy QCD formalisms as the collinear and…

高能物理 - 唯象学 · 物理学 2010-11-30 V. P. Goncalves , M. V. T. Machado

We argue that study of the cross section of coherent photo(electro) production of vector mesons off nuclear targets provides an effective method to probe the leading twist hard QCD regimes of color transparency and perturbative color…

高能物理 - 唯象学 · 物理学 2014-11-17 L. Frankfurt , M. Strikman , M. Zhalov

We explain why it is possible to formulate a wide variety of high energy (small-x) photon-proton processes in terms of a universal dipole cross section and compare and contrast various parameterizations of this function that exist in the…

高能物理 - 唯象学 · 物理学 2008-11-26 G. R. Kerley , M. McDermott

We calculate the nuclear cross section for coherent and incoherent vector meson production within the QCD color dipole picture, including saturation effects. Theoretical estimates for scattering on both light and heavy nuclei are given over…

高能物理 - 唯象学 · 物理学 2009-08-26 V. P. Goncalves , M. S. Kugeratski , M. V. T. Machado , F. S. Navarra

Instead of starting from a theoretically motivated form of the color dipole cross section in the dipole picture of deep inelastic scattering, we start with a parametrization of the deep inelastic structure function for electromagnetic…

高能物理 - 唯象学 · 物理学 2015-06-19 Yu Seon Jeong , C. S. Kim , Minh Vu Luu , Mary Hall Reno
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