English
Related papers

Related papers: The universal function of the diffractive process …

200 papers

Production of heavy photons (Drell-Yan), gauge bosons, Higgs bosons, heavy flavors, which is treated within the QCD parton model as a result of hard parton-parton collision, can be considered as a bremsstrahlung process in the target rest…

High Energy Physics - Phenomenology · Physics 2015-09-08 Roman Pasechnik , Boris Kopeliovich , Irina Potashnikova

The colour dipole cross section is the principal quantity in the lightcone $s$-channel description of the diffractive scattering. Recently we have shown that the dipole cross section satisfies the generalized BFKL equation. In this paper we…

High Energy Physics - Theory · Physics 2009-10-28 N. N. Nikolaev , B. G. Zakharov , V. R. Zoller

Starting from the phenomenologically successful color dipole representation of the diffractive structure function, we identify the dominant contribution to the diffractive cross section at small beta. The beta dependence is calculated…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Schaefer

We make predictions for the cross sections of diffractive dijet photoproduction in $pp$, $pA$ and $AA$ ultraperipheral collisions (UPCs) at the LHC during Runs 1 and 2 using next-to-leading perturbative QCD. We find that the resulting cross…

High Energy Physics - Phenomenology · Physics 2016-05-25 V. Guzey , M. Klasen

Diffractive scattering of $\gamma^* p \to X + N$, where $N$ is either a proton or a nucleonic system with $M_N~<~4$~GeV has been measured in deep inelastic scattering (DIS) at HERA. The cross section was determined by a novel method as a…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

We study the diffractive jet production in electron-ion collisions in the kinematical region where the mass $M_X$ of the diffractive final state is larger than $Q^2$. Based on parton saturation framework predictions are done for the…

High Energy Physics - Phenomenology · Physics 2020-09-16 G. M. Peccini , L. S. Moriggi , M. V. T. Machado

Recently, a semiclassical approach to diffraction has been proposed, which treats the proton as a classical colour field. The present paper demonstrates that this approach is consistent with the concept of diffractive parton distributions.…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Hebecker

We calculate the energy dependence of inclusive and diffractive neutrino-nucleus deep-inelastic scattering cross sections within the dipole picture, focusing on the ultra-high-energy regime. We predict an up to $\sim 10\%$ nuclear…

High Energy Physics - Phenomenology · Physics 2024-09-26 Anh Dung Le , Heikki Mäntysaari

We develop the color dipole phenomenology of diffractive photo- and electroproduction $\gamma^{*}\,N\rightarrow V(V')\,N$ of light vector mesons ($V(1S) = \phi^0, \omega^0, \rho^0$) and their radial excitations ($V'(2S) = \phi', \omega',…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Nemchik , N. N. Nikolaev , E. Predazzi , B. G. Zakharov

The total cross-section and the jet cross-section differ at a proton-proton collision. The latter is divergent if arbitrarily small transverse momenta are allowed. Even with some fixed lower pt cutoff, increases the jet cross-section much…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Dischler , T. Sjöstrand

We study the diffractive photo- and leptoproductions of $J / \psi$ and $\psi '$ on the proton, and examine the validity of the small-size color dipole approximation to the production of radially excited heavy quarkonium. The dipole model…

High Energy Physics - Phenomenology · Physics 2009-12-30 K. Suzuki , A. Hayashigaki , K. Itakura , J. Alam , T. Hatsuda

A QCD-based treatment of projectile size fluctuations is used to compute inelastic diffractive cross sections $\sigma_{diff}$ for coherent hadron-nuclear processes. We find that fluctuations near the average size give the major contribution…

High Energy Physics - Phenomenology · Physics 2009-10-22 L. Frankfurt , l , G. A. Miller , M. Strikman

The inclusive diffractive quarkonium photoproduction in $pp$ and $pA$ collisions is investigated considering the Resolved Pomeron Model to describe the diffractive interaction. We estimate the rapidity and transverse momentum distributions…

High Energy Physics - Phenomenology · Physics 2017-11-01 V. P. Goncalves , L. S. Martins , B. D. Moreira

We propose a new description of inclusive diffraction in deep inelastic scattering (DIS). The diffractive structure functions are expressed in the dipole picture and contain heavy-quark contributions. The dipole scattering amplitude, a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cyrille Marquet

We compute the next-leading-order cross-sections for diffractive electro- or photoproduction of a pair of hadrons with large $p_T$, out of a nucleus or a nucleon. A hybrid factorization is used, mixing collinear and small-$x$…

High Energy Physics - Phenomenology · Physics 2022-11-09 Michael Fucilla , Andrey V. Grabovsky , Lech Szymanowski , Emilie Li , Samuel Wallon

We expect to observe parton saturation in a future electron - ion collider. In this letter we discuss this expectation in more detail considering two different models which are in good agreement with the existing experimental data on…

High Energy Physics - Phenomenology · Physics 2009-01-14 E. R. Cazaroto , F. Carvalho , V. P. Gonçalves , F. S. Navarra

A Dyson-Schwinger-based model of pomeron exchange is employed to calculate diffractive rho-, phi- and J/psi-meson electroproduction cross sections. It is shown that the magnitude of the current-quark mass m_f of the quark and antiquark…

Nuclear Theory · Physics 2007-05-23 M. A. Pichowsky

Results from the large hadron collider (LHC) show that no available Monte Carlo simulation incorporates our pre-LHC knowledge of soft and hard diffraction in a way that could be reliably extrapolated to LHC energies. As a simulation is…

High Energy Physics - Phenomenology · Physics 2012-08-07 Konstantin Goulianos

The DIS diffractive cross section, $d\sigma^{diff}_{\gamma^* p \to XN}/dM_X$, has been measured in the mass range $M_X < 15$ GeV for $\gamma^*p$ c.m. energies $60 < W < 200$ GeV and photon virtualities $Q^2 = 7$ to 140 GeV$^2$. For fixed…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

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…

High Energy Physics - Phenomenology · Physics 2015-05-30 E. R. Cazaroto , V. P. Goncalves , F. S. Navarra
‹ Prev 1 3 4 5 6 7 10 Next ›