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The detection and the measurement of the production cross section of a light Higgs boson at the CERN Large Hadron Collider demand the accurate prediction of the background distributions of photon pairs. To improve this theoretical…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Balazs , P. Nadolsky , C. Schmidt , C. -P. Yuan

We consider QCD radiative corrections to WW pair production in hadron collisions. We perform a calculation that consistently combines next-to-leading order predictions with soft-gluon resummation valid at small transverse momenta ptWW of…

High Energy Physics - Phenomenology · Physics 2009-11-11 M. Grazzini

We investigate the production of a quark-antiquark pair in diffractive photon- proton scattering, approximating soft pomeron exchange by the exchange of two nonperturbative gluons. In deep inelastic scattering at HERA, events with two jets…

High Energy Physics - Phenomenology · Physics 2011-07-19 M. Diehl

We study the effect of soft gluon emission on the total cross section predictions for the $gg\to HZ$ associated Higgs production process at the LHC. To this end, we perform resummation of threshold corrections at the NLL accuracy in the…

High Energy Physics - Phenomenology · Physics 2015-06-23 Robert V. Harlander , Anna Kulesza , Vincent Theeuwes , Tom Zirke

This is a short communication with a summary of results obtained with a model based on Gribov's reggeon calculus, which was proposed and applied to processes of soft diffraction at high energies. We present a brief description of the model…

High Energy Physics - Phenomenology · Physics 2011-09-19 A. B. Kaidalov , M. G. Poghosyan

A simple model for elastic diffractive hadron scattering, reproducing the dip-bump structure is used to analyze PP and $\bar PP$ scattering. The main emphasis is on the delicate and non-trivial dynamics in the dip-bump region, near t=-1…

High Energy Physics - Phenomenology · Physics 2015-05-28 L. Jenkovszky , A. Lengyel , D. Lontkovskyi

Simultaneously with the turning-on of the Large Hadron Collider (LHC) the data taking for jet production rates will start. The study of these production rates is an important test of the Standard Model in the new energy regime accessible at…

High Energy Physics - Phenomenology · Physics 2009-10-02 Andreas Scharf

We confront the latest H1 and ZEUS data on diffractive dijet photoproduction with next-to-leading order QCD predictions in order to determine whether a rapidity gap survival probability of less than one is supported by the data. We find…

High Energy Physics - Phenomenology · Physics 2008-08-28 M. Klasen , G. Kramer

Order $\alpha_s$-corrections to the diffractive structure functions $F_L^D$ and $F_2^D$ at large $Q^2$ and small $x$ are evaluated in the semiclassical approach, where the initial proton is treated as a classical colour field. The…

High Energy Physics - Phenomenology · Physics 2009-02-20 W. Buchmuller , A. Hebecker , M. F. McDermott

We found the parameterization of the unintegrated gluon distribution from the best description of the LHC data on the inclusive spectra of hadrons produced in $pp$ collisions at the mid-rapidity region and small transverse momenta. It is…

High Energy Physics - Phenomenology · Physics 2012-03-06 A. A. Grinyuk , H. Jung , G. I. Lykasov , A. V. Lipatov , N. P. Zotov

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 average number of minijets and the corresponding transverse energy produced in heavy ion collisions are evaluated by including explicitly semi-hard parton rescatterings in the dynamics of the interaction. At the LHC semi-hard…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Accardi , D. Treleani

We study the resummation of soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at the Large Hadron Collider. Starting from a soft-gluon resummation formula derived in previous work, we…

High Energy Physics - Phenomenology · Physics 2017-03-08 Alessandro Broggio , Andrea Ferroglia , Ben D. Pecjak , Li Lin Yang

In this paper, the soft gluon resummation effect in double heavy quarkonium production at the LHC is studied. By applying the transverse momentum dependent factorization formalism, the large logarithms introduced by the small total…

High Energy Physics - Phenomenology · Physics 2021-04-21 Chong-Yang Lu , Dan-Dan Shen , Peng Sun , Ruilin Zhu

Inclusive jet cross sections for events with a large rapidity gap with respect to the proton direction from the reaction $ep \rightarrow jet \; + \; X$ with quasi-real photons have been measured with the ZEUS detector. The cross sections…

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

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

Most of the models of jet quenching generally assumes that a jet always travels in a straight eikonal path, which is indeed true for sufficiently hard jet but may not be a good one for moderate and low momentum jet. In this article an…

High Energy Physics - Phenomenology · Physics 2013-02-27 Raktim Abir

We present a `new generation' model for high energy proton-proton `soft' interactions. It allows for a full set of multi-Pomeron vertices, as well as including multichannel eikonal scattering. It describes the behaviour of the proton-proton…

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

In the following we present our results on resummation of invariant mass threshold corrections for the $2 \to 3$ type hadronic production processes in the Mellin moment space formalism. This method is applied to the associated Higgs boson…

High Energy Physics - Phenomenology · Physics 2016-09-07 Anna Kulesza , Leszek Motyka , Tomasz Stebel , Vincent Theeuwes

We study jet final states in diffractive deep-inelastic scattering. We present the QCD factorization formula in terms of diffractive parton distributions and discuss its implementation in NLO Monte Carlo generators. We compute NLO…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Hautmann