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We consider Higgs boson pair production via gluon fusion in hadronic collisions. We report the calculation of the transverse-momentum ($q_T$) distribution of the Higgs boson pair with top-quark mass ($M_t$) effects fully taken into account.…

High Energy Physics - Phenomenology · Physics 2017-03-09 Giancarlo Ferrera , Joao Pires

We investigate the inclusive Higgs boson production in proton-proton collisions at the CERN LHC conditions using the $k_T$-factorization approach. Our analysis is based on the dominant off-shell gluon-gluon fusion subprocess (where the…

High Energy Physics - Phenomenology · Physics 2018-03-28 N. A. Abdulov , A. V. Lipatov , M. A. Malyshev

Background: Proton-nucleus collisions have been used as a intermediate baseline for the determination of cold medium effects. They lie between proton-proton collisions in vacuum and nucleus-nucleus collisions which are expected to be…

High Energy Physics - Phenomenology · Physics 2015-09-23 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

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 consider the associated production of Higgs boson and hadronic jet(s) in $pp$ collisions at the LHC for the first time using the $k_T$-factorization approach. Our analysis is based on the off-shell gluon-gluon fusion subprocess, where…

High Energy Physics - Phenomenology · Physics 2021-05-26 A. V. Lipatov , M. A. Malyshev

In this contribution we report on the investigation of central diffractive production of mesons $f_0(980)$ and $f_2(1270)$ at the energy of Large Hadron Collider in proton-proton collisions. The cross sections and rapidity distributions for…

High Energy Physics - Phenomenology · Physics 2013-05-09 M. V. T. Machado

We study the effect of multiple parton radiation to Higgs boson plus jet production at the LHC, by applying the transverse momentum dependent (TMD) factorization formalism to resum large logarithmic contributions to all orders in the…

High Energy Physics - Phenomenology · Physics 2017-03-01 Peng Sun , Joshua Isaacson , C. -P. Yuan , Feng Yuan

We discuss the single diffractive production of $c \bar c$ pairs and charmed mesons at the LHC. In addition to standard collinear approach, for a first time we propose a $k_t$-factorization approach to the diffractive processes. The…

High Energy Physics - Phenomenology · Physics 2016-10-21 Marta Łuszczak , Antoni Szczurek

We review the signal, and the $b\bar{b}$ background, for Higgs production by the exclusive double-diffractive process, $pp \to p+H+p$, and its subsequent $H \to b\bar{b}$ decay, at the LHC. We discuss the production of Higgs bosons in both…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. D. Martin , A. B. Kaidalov , V. A. Khoze , M. G. Ryskin , W. J. Stirling

An overview of analyses using data at sqrt(s) = 7 TeV and 8 TeV of proton-proton collisions at the LHC is presented. These analyses use boosted techniques to search for new phenomena involving top quarks and to measure the production of top…

High Energy Physics - Experiment · Physics 2019-08-14 Johannes Erdmann

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

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

The Pomeron, which dominates high energy elastic and diffractive hadronic processes, must be largely gluonic in nature. We use a recent picture of a scalar glueball/sigma system with coupling of the sigma to glue determined from experiment…

High Energy Physics - Phenomenology · Physics 2009-11-10 Leonard S. Kisslinger , Wei-hsing Ma , Pengnian Shen

We propose a novel mechanism for exclusive diffractive Higgs production $pp \to p H p $ in which the Higgs boson carries a significant fraction of the projectile proton momentum. This mechanism will provide a clear experimental signal for…

High Energy Physics - Phenomenology · Physics 2008-11-26 Stanley J. Brodsky , Boris Kopeliovich , Ivan Schmidt , Jacques Soffer

We present a study of associated jpsi + gamma production through double Pomeron exchange at energies reached at the Fermilab Tevatron and CERN LHC based on the Ingelman-Schlein model for hard diffractive scattering and the factorization…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jia-Sheng Xu , Hong-An Peng

We investigate the rapidity and transverse momentum distributions of the prompt photon production at the CERN LHC energies considering the current perturbative QCD approaches for this scattering process. Namely, we compare the predictions…

High Energy Physics - Phenomenology · Physics 2009-07-22 M. V. T. Machado , C. Brenner Mariotto

We consider the transverse-momentum (q_T) distribution of Standard Model Higgs bosons produced by gluon fusion in hadron collisions. At small q_T (q_T<<m_H, m_H being the mass of the Higgs boson), we resum the logarithmically-enhanced…

High Energy Physics - Phenomenology · Physics 2015-05-30 D. de Florian , G. Ferrera , M. Grazzini , D. Tommasini

Direct photon production at large transverse momentum in the coherent diffractive processes at hadron colliders is calculated in the two-gluon exchange model. We find that the amplitude for the production process is related to the…

High Energy Physics - Phenomenology · Physics 2009-10-31 Feng Yuan , Kuang-Ta Chao

We calculate the transverse momentum distribution for the production of massive lepton-pairs in longitudinally polarized proton-proton reactions at collider energies within the context of perturbative quantum chromodynamics. For values of…

High Energy Physics - Phenomenology · Physics 2014-11-17 Edmond L. Berger , Lionel E. Gordon , Michael Klasen
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