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Related papers: EFFECTS OF SHADOWING IN DOUBLE POMERON EXCHANGE PR…

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The inclusive double Pomeron exchange cross section for heavy quark pair production is calculated for nucleus-nucleus collisions at the LHC. The present estimate is based on hard diffractive factorization, corrected by absorptive…

High Energy Physics - Phenomenology · Physics 2011-01-28 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

We explore how nuclear modifications to the nucleon structure functions, shadowing, affect massive gauge boson production in heavy ion collisions at different impact parameters. We calculate the dependence of $Z^0$, $W^+$ and $W^-$…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Vogt

Within the resolved Pomeron model of hard diffractive scattering, we compute prompt photon production in double-Pomeron-exchange events in proton-proton collisions. Using specific kinematical constraints chosen according to the acceptances…

High Energy Physics - Phenomenology · Physics 2016-05-04 A. K. Kohara , C. Marquet

We study the impact of the two-loop electroweak corrections on the production of a Higgs boson via gluon-fusion in proton-proton collisions at LHC energies. We discuss the prescritpion to include the corrections to the hard scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 U. Aglietti , R. Bonciani , G. Degrassi , A. Vicini

We study Higgs boson production via Double Pomeron Exchange allowing for the presence of Pomeron remnants. We estimate the number of events produced at the LHC collider, as a function of the Higgs boson mass and its decay channel. The model…

High Energy Physics - Phenomenology · Physics 2018-04-16 M. Boonekamp , A. De Roeck , R. Peschanski , C. Royon

The formulae for shadowing corrections in deep inelastic leptoproduction of vector mesons are presented. These formulae are also applicable for photoproduction of vector mesons constituted of heavy quarks. Our results are conveniently…

High Energy Physics - Phenomenology · Physics 2011-07-19 E. Gotsman , E. Levin , U. Maor

We quantify the central inclusive background contributions to exclusive Higgs production at the LHC arising from double-Pomeron-exchange processes. We consider the H --> bb(bar) signal. We study processes mediated by the fusion of two…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. A. Khoze , A. D. Martin , M. G. Ryskin

We explore how nuclear modifications to the nucleon parton distributions affect production of high-$p_T$ hadrons in heavy ion collisions. We perform a leading order calculation of the high-$p_T$ charged pion, kaon and proton spectra using…

Nuclear Theory · Physics 2010-07-02 S. R. Klein , R. Vogt

We evaluate Higgs boson and dijet cross-sections at the Tevatron collider via Double Pomeron exchange when accompanying particles in the central region are taken into account. Such {\it inclusive} processes, normalized to the observed dijet…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Boonekamp , R. Peschanski , C. Royon

An alternative process is proposed for the diffractive Higgs boson production in peripheral $pp$ collisions, exploring it through the photon-proton interaction by Double Pomeron Exchange. It is estimated the event rate of the diffractive…

High Energy Physics - Phenomenology · Physics 2011-08-04 M. B. Gay Ducati , G. G. Silveira

We explore an alternative process for the diffractive Higgs boson production in peripheral pp collisions arising from Double Pomeron Exchange in photon-proton interaction. We introduce the impact factor formalism in order to enable the…

High Energy Physics - Phenomenology · Physics 2008-12-30 M. B. Gay Ducati , G. G. Silveira

Multi Pomeron interactions are the main source of high mass diffraction. Their role in high energy dynamics greatly influences the predictions for high energy cross sections and survival probabilities of hard diffraction channels, notably,…

High Energy Physics - Phenomenology · Physics 2009-03-03 E. Gotsman , E. Levin , U. Maor , J. S. Miller

We discuss energy dependence of rapidity gap survival probability in the double-pomeron exchange processes with account of the reflective scattering effects.

High Energy Physics - Phenomenology · Physics 2008-11-26 S. M. Troshin , N. E. Tyurin

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

We calculate the shadowing effect in nuclear photoabsorption at low photon energies (1-3 GeV) within a multiple scattering approach. We avoid some of the high energy approximations that are usually made in simple Glauber theory like the…

Nuclear Theory · Physics 2009-11-07 T. Falter , S. Leupold , U. Mosel

We explore how nuclear modifications to the free nucleon structure functions (also known as shadowing) affect heavy quark production in collisions at different impact parameters. We assume that the nuclear modifications arise from a density…

Nuclear Theory · Physics 2014-11-18 V. Emel'yanov , A. Khodinov , S. R. Klein , R. Vogt

We consider the phenomenological consequences of a hidden Higgs sector extending the Standard Model (SM), in which the ``shadow Higgs'' are uncharged under the SM gauge groups. We consider a simple U(1) model with one Higgs singlet. One…

High Energy Physics - Phenomenology · Physics 2014-11-18 We-Fu Chang , John N. Ng , Jackson M. S. Wu

We compare the WW and pomeron-pomeron fusion mechanisms for the double-diffractive production of a Higgs boson. We determine the suppression of the 'rapidity gap' pomeron-pomeron fusion events due to QCD radiative effects. In particular we…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. A. Khoze , A. D. Martin , M. G. Ryskin

We study the double-diffractive production of various heavy systems (e.g. Higgs, dijet, t tbar and SUSY particles) at LHC and Tevatron collider energies. In each case we compute the probability that the rapidity gaps, which occur on either…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. A. Khoze , A. D. Martin , M. G. Ryskin

We re-examine the predictions of a two-phase model of shadowing in nuclear deep-inelastic scattering in light of new NMC data on the x, A and Q**2 dependence of the ratios of structure functions. The model, which combines vector meson…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Melnitchouk , A. W. Thomas
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