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Jet and charm quark production in diffractive interactions is sensitive to the partonic structure of the diffractive exchange. This article reviews recent cross section measurements of such processes in both deep-inelastic scattering (DIS)…

High Energy Physics - Experiment · Physics 2007-05-23 Yuji Yamazaki

We report on a preliminary measurement of the ratio of the differential cross sections for W and Z boson production as a function of transverse momentum in proton-antiproton collisions at $\sqrt{s}$ = 1.8 TeV. It has been shown that the…

High Energy Physics - Experiment · Physics 2007-05-23 D0 Collaboration , V. M. Abazov

We calculate cross sections for the exclusive diffractive leptoproduction of $\rho$-mesons, $\gamma^*~p~\to~\rho~p$, within the framework of high-energy factorization. Cross sections for longitudinally and transversally polarized mesons are…

Massless diquark jet and gluon jet productions at large transverse momentum in the coherent diffractive processes at hadron colliders are studied in the two-gluon exchange parametrization of the Pomeron model. We use the helicity amplitude…

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

The interest in the study of diffractive meson production is discussed. The description of diffraction within Regge phenomenology is presented, and the QCD-based understanding of diffractive processes is given. Central production is…

High Energy Physics - Phenomenology · Physics 2015-06-23 R. Schicker

We study azimuthal asymmetries in diffractive J/$\psi$ production in ultraperipheral heavy-ion collisions at RHIC and LHC energies using the color glass condensate effective theory. Our calculation successfully describes azimuthal averaged…

High Energy Physics - Phenomenology · Physics 2022-07-15 James Daniel Brandenburg , Zhangbu Xu , Wangmei Zha , Cheng Zhang , Jian Zhou , Yajin Zhou

At high-energies the gluon-gluon fusion is the dominant mechanism of $c \bar c$ production. This process was calculated in the NLO collinear as well as in the k$_t$-factorization approaches in the past. We show that the present knowledge of…

High Energy Physics - Phenomenology · Physics 2013-05-29 Marta Luszczak , Rafal Maciula , Antoni Szczurek

A first observation is presented for the electroweak production of a W boson, a photon, and two jets in proton-proton collisions. The W boson decays are selected by requiring one identified electron or muon and an imbalance in transverse…

High Energy Physics - Experiment · Physics 2020-12-09 CMS Collaboration

We compute the rapidity distributions of W and Z bosons produced at the Tevatron and the LHC through next-to-next-to leading order in QCD. Our results demonstrate remarkable stability with respect to variations of the factorization and…

High Energy Physics - Phenomenology · Physics 2010-11-15 Charalampos Anastasiou , Lance Dixon , Kirill Melnikov , Frank Petriello

We discuss central exclusive diffractive dihadron production in proton-proton collisions at high energies. The calculation is based on a tensor pomeron model and the amplitudes for the processes are formulated in an effective…

High Energy Physics - Phenomenology · Physics 2017-11-02 Piotr Lebiedowicz , Otto Nachtmann , Antoni Szczurek

The color dipole formulation provides an intuitive picture of hard processes in high energy scattering. Most importantly, this approach allows one to calculate nuclear effects in a parameter-free way. I review the relation between the…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Raufeisen

We show that the addition of detectors to tag the outgoing forward protons, at the LHC, will significantly enlarge the potential of studying New Physics. A topical example is Higgs production by the exclusive double-diffractive process, pp…

High Energy Physics - Phenomenology · Physics 2017-08-23 V. A. Khoze , A. B. Kaidalov , A. D. Martin , M. G. Ryskin , W. J. Stirling

We discuss exclusive double diffractive (EDD) production of Higgs boson and heavy quark - heavy antiquark pairs at high energies. Differential distributions for $c \bar c$ at $\sqrt{s}$ = 1.96 GeV and for $b \bar b$ at $\sqrt{s}$ = 14 TeV…

High Energy Physics - Phenomenology · Physics 2015-05-20 Antoni Szczurek

Cross sections for the production of pairs of photons plus two additional jets produced from double parton scattering in high-energy proton-proton collisions at the LHC are calculated for the first time. The estimates are based on the…

High Energy Physics - Phenomenology · Physics 2016-01-20 Junquan Tao , Sijing Zhang , Yuqiao Shen , Jiawei Fan , Guoming Chen , Hesheng Chen

The double quarkonium production in single and double diffractive processes is investigated considering $pp$ collisions at the Run 2 LHC energy. Using the nonrelativistic QCD (NRQCD) factorization formalism for the quarkonium production and…

High Energy Physics - Phenomenology · Physics 2018-07-25 C. Brenner Mariotto , V. P. Goncalves , R. Palota da Silva

A study of the Standard Model (SM) three electroweak boson production, $WV\gamma$ where V = W or Z gauge boson, is presented concerning events with a leptonically decaying W boson accompanied by a photon and two or more jets. We are using…

High Energy Physics - Experiment · Physics 2019-08-14 Patricia Rebello Teles

Using a QCD inspired model developed by our group for particle production, the Interacting Gluon Model (IGM), we have made a systematic analysis of all available data on leading particle spectra. These data include diffractive collisions…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. O. Durães , F. S. Navarra , G. Wilk

Differential cross sections for a W boson produced in association with jets are measured in a data sample of proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the CMS detector and corresponding to an integrated…

High Energy Physics - Experiment · Physics 2018-05-02 CMS Collaboration

Diffractive production of heavy flavors is calculated within the light-cone dipole approach. Novel leading twist mechanisms are proposed, which involve both short and long transverse distances inside the incoming hadron. Nevertheless, the…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Z. Kopeliovich , I. K. Potashnikova , I. Schmidt , A. V. Tarasov

A model for exclusive diffractive resonance production in proton-proton collisions at high energies is presented. This model is able to predict double differential distributions with respect to the mass and the transverse momentum of the…

High Energy Physics - Phenomenology · Physics 2018-06-13 R. Fiore , L. Jenkovszky , R. Schicker