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Related papers: Hard Diffraction with Dynamic Gap Survival

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The single diffractive production of the standard model Higgs boson is computed using the diffractive factorization formalism, taking into account a parametrization for the Pomeron structure function provided by the H1 Collaboration. We…

High Energy Physics - Phenomenology · Physics 2011-04-22 M. B. Gay Ducati , M. M. Machado , G. G. Silveira

The fractal and phase transitional properties of each type of pions (i.e. $\pi^{\pm,0}$) through one-dimensional $\eta-$space, at an energy of $\sqrt{s}=13~$TeV, have been studied with the help of the Scaled Factorial Moment (SFM)…

High Energy Physics - Phenomenology · Physics 2024-09-05 Tumpa Biswas , Dibakar Dhar , Azharuddin Ahmed , Prabir Kumar Haldar , Abdel Nasser Tawfik

We present a study of heavy quarkonium production in hard diffractive process by the Pomeron exchange for Tevatron and LHC energies. The numerical results are computed using recent experimental determination of the diffractive parton…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. V. T. Machado

We explore the diffractive interaction of a proton with an anti-proton which results in centrally produced dijets. This process has been recently studied at the Tevatron. We make predictions within an Ingelman-Schlein approach and compare…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. B. Appleby , J. R. Forshaw

An alternative process is presented for diffractive Higgs boson production in peripheral $pp$ collisions, where the particles interact through the Double Pomeron Exchange. The event rate is computed as a central-rapidity distribution for…

High Energy Physics - Phenomenology · Physics 2009-11-13 M. B. Gay Ducati , G. G. Silveira

In the framework of our model (GLM) for soft interaction with $\alpha'_{\pom}(0)=0$, we propose a procedure based on Gribov's partonic interpretation of the Pomeron, which enables one to calculate the diffractive mass distributions in…

High Energy Physics - Phenomenology · Physics 2013-04-17 E. Gotsman , E. Levin , U. Maor

The latest measurements of the cross sections for neutral and charged current deep inelastic scattering in e+/-p collisions at HERA with longitudinally polarised lepton beams are presented. The measured cross sections are compared with the…

High Energy Physics - Experiment · Physics 2008-10-06 A. D. Tapper

The HERA diffractive structure function data are interpreted in terms of `diffractive parton distributions' which satisfy DGLAP evolution. These distributions are modeled assuming that the scattering takes place off a colour singlet…

High Energy Physics - Phenomenology · Physics 2007-05-23 Z. Kunszt , W. J. Stirling

Measurements of diffractive dissociation cross sections in pp collisions at sqrt(s) = 7 TeV are presented in kinematic regions defined by the masses M[X] and M[Y] of the two final-state hadronic systems separated by the largest rapidity gap…

High Energy Physics - Experiment · Physics 2015-07-15 CMS Collaboration

Recent measurement of inclusive processes and hadronic final states in diffractive deep-inelastic scattering at HERA are used to investigate the QCD factorisation properties and study partonic structure of colour singlet exchange. Resolved…

High Energy Physics - Experiment · Physics 2007-05-23 M. Kapishin

On the basis of the experimental data on diffractive processes in $\pi p$, $pp$ and $p \bar p$ collisions at intermediate, moderately high and high energies, we restore the scattering amplitude related to the $t$-channel exchange by vacuum…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. G. Dakhno , V. A. Nikonov

Measurements of the diffractive structure function, $F_2^D$, of the proton at HERA are used to extract the partonic structure of the Pomeron. Regge Factorization is tested and is found to describe well the existing data within the selected…

High Energy Physics - Phenomenology · Physics 2011-07-19 Halina Abramowicz , Michael Groys , Aharon Levy

HEP event generators aim to describe high-energy collisions in full exclusive detail. They combine perturbative matrix elements and parton showers with dynamical models of less well-understood phenomena such as hadronization, diffraction,…

High Energy Physics - Phenomenology · Physics 2014-12-12 Peter Skands

We discuss two different models for the impact parameter dependent dipole cross section: one based on DGLAP evolution and the other inspired by the Balitsky-Kovchegov equation. The parameters are determined from fits to data on the total…

High Energy Physics - Phenomenology · Physics 2008-07-29 G. Watt

We discuss the perturbative QCD description of diffractive deep-inelastic scattering, and extract diffractive parton distributions from recent HERA data. The asymptotic collinear factorisation theorem has important modifications in the…

High Energy Physics - Phenomenology · Physics 2017-08-23 G. Watt

We apply the phenomenological Reggeon field theory framework to investigate rapidity gap survival (RGS) probability for diffractive dijet production in proton-proton collisions. In particular, we study in some detail rapidity gap…

High Energy Physics - Phenomenology · Physics 2018-03-14 Sergey Ostapchenko , Marcus Bleicher

In these proceedings we present CMS results on hard diffraction. Diffractive dijet production in pp collisions at $\sqrt{s}$=7 TeV is discussed. The cross section for dijet production is presented as a function of $\tilde{\xi}$,…

High Energy Physics - Experiment · Physics 2019-08-14 Christina Mesropian

In this paper we present a two channel model with the goal of reproducing the soft scattering data available in the ISR-Tevatron energy range, and extend the model results to LHC and Cosmic Rays energies. A characteristic feature of the…

High Energy Physics - Phenomenology · Physics 2007-11-05 E. Gotsman , E. Levin , U. Maor

In the framework of Anisotropic Chromo Dynamics, a non-perturbative model of QCD based on magnetic condensation in the vacuum, we develope a picture of the Pomeron. Within this model we are able to calculate the diffractive contribution to…

High Energy Physics - Phenomenology · Physics 2009-10-28 L. Dick , V. Karapetian , R. Barni , G. Preparata

We study two and three jet events with a large rapidity gap at HERA. Unlike in the Ingelman-Schlein approach we do not adscribe a structure to the Pomeron. Instead, the coupling of the Pomeron to quarks or gluons is taken pointlike, which…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. Vermaseren , F. Barreiro , L. Labarga , F. J. Ynduráin