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Related papers: Diffractive Dijet Photoproduction

200 papers

We present a calculation of open charm quark production in diffractive deep inelastic electron-proton scattering in a perturbative QCD framework. The cross section is proportional to the square of the gluon density and explicitly displays…

High Energy Physics - Phenomenology · Physics 2009-10-30 H. Lotter

We study the diffractive production of $q\bar{q}g$ jets with large transverse momenta in the region of large diffractive masses (small $\beta$). Cross sections for transverse and longitudinal photons are obtained in the leading log…

High Energy Physics - Phenomenology · Physics 2011-07-19 J. Bartels , H. Jung , M. Wüsthoff

We calculate the contribution from the $q \bar q g$ state production to the diffractive cross sections in deep inelastic scattering at high energy. The obtained cross section is finite by itself, and consists a part of the full…

High Energy Physics - Phenomenology · Physics 2023-07-13 G. Beuf , H. Hänninen , T. Lappi , H. Mäntysaari , Y. Mulian

Recent measurements of the diffractive deep-inelastic cross section are used to extract diffractive parton densities of the proton. These are subsequently applied in models to predict the production of jets and open charm in the final…

High Energy Physics - Experiment · Physics 2007-05-23 Pierre Van Mechelen

In these proceedings we present CMS results on hard diffraction. Diffractive dijet production in pp collisions at $\sqrt{s}$=7 TeV is discussed. The cross section for dijet production is presented as a function of $\tilde{\xi}$,…

High Energy Physics - Experiment · Physics 2019-08-14 Christina Mesropian

We consider the differential cross-section for single-inclusive jet production with transverse momentum $P_\perp$ in Deep Inelastic Scattering (DIS) at small Bjorken $x_{\rm Bj}$, mediated by a virtual photon with virtuality $Q^2$. Unlike…

High Energy Physics - Phenomenology · Physics 2026-02-05 Paul Caucal , Farid Salazar

Dijet production has been studied in neutral current deep inelastic e+p scattering for 470 < Q**2 < 20000 GeV**2 with the ZEUS detector at HERA using an integrated luminosity of 38.4 pb**{-1}. Dijet differential cross sections are presented…

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

We perform the calculation of the fully differential single-jet production in longitudinally polarized deep inelastic scattering (DIS) at the next-to-next-to-leading order (NNLO) accuracy, featuring both neutral current and charged current…

High Energy Physics - Phenomenology · Physics 2023-03-29 Ignacio Borsa , Daniel de Florian , Iván Pedron

Within the Color Glass Condensate (CGC) effective field theory, we derive the next-to-leading order (NLO) cross-section for the single-jet semi-inclusive cross-section in deep inelastic scattering (DIS) at small $x$, for both longitudinally…

High Energy Physics - Phenomenology · Physics 2024-02-20 Paul Caucal , Elouan Ferrand , Farid Salazar

We compute the transverse and longitudinal diffractive structure functions to full next-to-leading order accuracy in the dipole picture of deep inelastic scattering. Our calculation uses the standard light-cone perturbation theory method…

High Energy Physics - Phenomenology · Physics 2024-01-31 Guillaume Beuf , Tuomas Lappi , Heikki Mäntysaari , Risto Paatelainen , Jani Penttala

Measurements are presented of single and double-differential dijet cross sections in diffractive photoproduction based on a data sample with an integrated luminosity of 47 pb^-1. The events are of the type ep -> eXY, where the hadronic…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

A simple relativistic model is suggested that elucidates qualitatively the quark-antiquark distribution within virtual photon. The diffractive hadroproduction in DIS initiated by highly virtual photon $\gamma ^{*}(Q^2)$ is discussed in more…

High Energy Physics - Phenomenology · Physics 2016-09-06 I. Royzen

The NLO corrections to the DIS structure functions $F_2$ and $F_L$ (or equivalently the photon-target cross sections $\sigma^{\gamma^*}_{T}$ and $\sigma^{\gamma^*}_{L}$) at low $x_{Bj}$ are obtained, as a generalization of the dipole…

High Energy Physics - Phenomenology · Physics 2017-11-08 Guillaume Beuf

We calculate the next to leading order corrections to dihadron production in Deep Inelastic Scattering (DIS) at small x using the Color Glass Condensate formalism for the case when the virtual photon is transverse polarized. Similar to the…

High Energy Physics - Phenomenology · Physics 2023-04-05 Filip Bergabo , Jamal Jalilian-Marian

We compute the differential cross-section for inclusive prompt photon production in deeply inelastic scattering (DIS) of electrons on nuclei at small $x$ in the framework of the Color Glass Condensate (CGC) effective theory. The leading…

High Energy Physics - Phenomenology · Physics 2018-05-08 Kaushik Roy , Raju Venugopalan

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

We re-examine the issue of the pQCD factorization scale in the exclusive rho production in diffractive DIS from the k_t-factorization point of view. We find that this scale differs significantly from, and possesses much flatter Q^2 behavior…

High Energy Physics - Phenomenology · Physics 2009-11-10 I. P. Ivanov

We make predictions for the cross sections of diffractive dijet photoproduction in $pp$, $pA$ and $AA$ ultraperipheral collisions (UPCs) at the LHC during Runs 1 and 2 using next-to-leading perturbative QCD. We find that the resulting cross…

High Energy Physics - Phenomenology · Physics 2016-05-25 V. Guzey , M. Klasen

We propose a simple parametrization for the deep-inelastic diffractive cross section. It contains the contribution of $q\bar{q}$ production to both the longitudinal and the transverse diffractive structure functions, and of the production…

High Energy Physics - Phenomenology · Physics 2009-09-11 J. Bartels , J. Ellis , H. Kowalski , M. Wuesthoff

It is argued that the breakdown of factorization observed recently in the diffractive dijet production in deep inelastic lepton induced and hadron induced processes is naturally explained in the Good-Walker picture of diffraction…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bialas