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Results from a phenomenological analysis for diffractive hadroproduction of heavy flavors at high energies are reported. Diffractive production of charm, bottom and top are calculated using Regge factorization, taking into account recent…

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

We present predictions for the diffractive production of heavy quarks in deep-inelastic scattering and hadron-hadron collisions and for double diffractive dijet production in hadron-hadron collisions. With the assumption of hard scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 Lyndon Alvero , John C. Collins , J. J. Whitmore

The production of the $W$ and $Z$ bosons in single diffractive processes at the LHC is investigated taking into account the ATLAS, CMS and LHCb acceptances and considering different assumptions for the flavour content of the Pomeron. The…

High Energy Physics - Phenomenology · Physics 2019-02-27 E. A. F. Basso , V. P. Goncalves , D. E. Martins , M. S. Rangel

The proton diffractive structure function $F_2^{D(3)}$ measured in the H1 and ZEUS experiments at HERA are analysed in terms of perturbative QCD in the perspective of the QCD extrapolation to the Tevatron and the LHC. It is shown that both…

High Energy Physics - Phenomenology · Physics 2010-03-25 C. Royon , L. Schoeffel , R. Peschanski , E. Sauvan

We extract diffractive parton distribution functions (DPDFs) and diffractive structure functions from the most recent H1 and ZEUS diffractive DIS data obtained by various methods. We consider Pomeron as an object with parton distribution…

High Energy Physics - Phenomenology · Physics 2015-05-30 S. Taheri Monfared , Ali N. Khorramian , S. Atashbar Tehrani

The diffractive heavy quark cross sections are estimated considering photon-Pomeron ($\gamma \pom$) interactions in hadron - hadron at RHIC, Tevatron, and CERN LHC energies. We assume the validity of the hard diffractive factorization and…

High Energy Physics - Phenomenology · Physics 2015-06-03 V. P. Goncalves , M. M. Machado

In this paper, we present the results from phenomenological analysis of Z boson pair hard diffractive production at the LHC. The calculation is based on the Regge factorization approach. Diffractive parton density functions extracted by the…

High Energy Physics - Phenomenology · Physics 2017-04-05 Hao Sun

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

Results from a phenomenological analysis of dijet and W hard diffractive hadroproduction at Fermilab Tevatron energies are reported. The theoretical framework employed here is a modified version of the Ingelman-Schlein approach which…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. J. M. Covolan , M. S. Soares

We extract diffractive parton densities from data on diffractive deep inelastic scattering (DIS) and on diffractive photoproduction of jets. We explore the results of several ansaetze for the functional form of the parton densities. Then we…

High Energy Physics - Phenomenology · Physics 2010-04-06 Lyndon Alvero , John C. Collins , Juan Terron , Jim Whitmore

Using a recently proposed factorization hypothesis for semi-inclusive hard processes in QCD, one can study, in principle, the diffractive production of the Standard Model Higgs boson at LHC using only, as input, $ep$ diffractive…

High Energy Physics - Phenomenology · Physics 2009-10-28 D. Graudenz , G. Veneziano

We present a study of diffractive associated jpsi + gamma production at the Fermilab Tevatron and LHC based on the Ingelman-Schlein model for hard diffractive scattering and the factorization formalism of NRQCD for quarkonia production. We…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jia-Sheng Xu , Hong-An Peng

We describe new QCD fits to diffractive cross sections measured at HERA and we use the parton densities derived from these fits to predict the shape of the dijet mass fraction in double Pomeron exchange at the Tevatron. We discuss the…

High Energy Physics - Phenomenology · Physics 2007-07-21 L. Schoeffel

Measurements of soft and hard diffractive processes have been performed at the Tevatron p-pbar collider during the past decade. Diffractive events are studied by means of identification of one or more rapidity gaps and/or a leading…

High Energy Physics - Phenomenology · Physics 2017-08-23 Michele Gallinaro

The 1994 data published by the H1 collaboration are compared with models based on Regge phenomenology. The $x_{\PO}$ dependence of the data can be described in a model based on the exchange of a dominant diffractive (pomeron) trajectory…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Royon

We consider the production of charm by real and virtual photons. Special attention is paid to diffractive charm production, which provides information on the gluonic content of the Pomeron. Our calculations are based on the gluon…

High Energy Physics - Phenomenology · Physics 2011-01-25 L. P. A. Haakman , A. B. Kaidalov , J. H. Koch

We suggest that the pseudo-rapidity cut dependence of diffractive deep-inelastic scattering events at HERA may provide a sensitive test of models of diffraction. A comparison with the experimental cross section shows that the…

High Energy Physics - Phenomenology · Physics 2009-02-11 J. Ellis , G. G. Ross , J. Williams

Results on hard diffraction from CDF are reviewed with emphasis on the determination of the diffractive structure function of the (anti)proton from single diffractive and double Pomeron exchange dijet production. Comparison of the…

High Energy Physics - Experiment · Physics 2010-05-12 Konstantin Goulianos

Characteristics of hadron production in diffractive deep-inelastic positron-proton scattering are studied using data collected in 1994 by the H1 experiment at HERA. The following distributions are measured in the centre-of-mass frame of the…

High Energy Physics - Experiment · Physics 2008-11-26 C. Adloff

Hadronic processes in which hard diffractive production takes place have been observed and analyzed in collider experiments for several years. The experimental rates of diffractive W's and dijets measured at the Tevatron and the cross…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. J. M. Covolan , M. S. Soares
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