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We demonstrate that hard dijet production via coherent inelastic diffraction is a promising channel for probing gluon saturation at the Electron-Ion Collider. By $inelastic$ diffraction we mean a process in which the two hard jets - a…

High Energy Physics - Phenomenology · Physics 2022-06-01 E. Iancu , A. H. Mueller , D. N. Triantafyllopoulos

We present a study of $J/\psi + jet$ diffractive production in the direct photon process at HERA based on the factorization theorem for lepton-induced hard diffractive scattering and the factorization formalism of the nonrelativistic QCD…

High Energy Physics - Phenomenology · Physics 2015-06-25 Jia-Sheng Xu , Hong-An Peng , Zhan-Yuan Yan , Zhen-Min He

We analyse the origin of dramatic breakdown of diffractive factorisation, observed in single-diffractive (SD) dijet production in hadronic collisions. One of the sources is the application of the results of measurements of the diagonal…

High Energy Physics - Phenomenology · Physics 2019-01-17 B. Z. Kopeliovich , R. Pasechnik , I. K. Potashnikova

We show that the data for diffractive dijet production at the Tevatron p pbar collider are consistent with diffractive deep inelastic e p data collected at HERA. The breakdown of factorization between the two data sets is naturally…

High Energy Physics - Phenomenology · Physics 2011-03-23 V. A. Khoze , A. D. Martin , M. G. Ryskin

Recent results on dijet production in deep-inelastic scattering from the H1 experiment at the ep-collider HERA are presented. Internal jet structure has been studied in terms of jet shapes and subjet multiplicities in the Breit frame. Both…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Wobisch

In this article, recent measurements of diffraction in deep inelastic scattering are presented along with QCD fits to extract the partonic structure of the exchange. These so-called diffractive parton density functions can then be used in…

High Energy Physics - Experiment · Physics 2008-12-08 M. Wing

The main experimental results on jet production at HERA are reviewed. A study of jet shapes shows that the internal structure of jets is well understood. The potential to accurately determine the strong coupling constant using jet rates is…

High Energy Physics - Phenomenology · Physics 2007-05-23 Tancredi Carli

We present a possible direct measurement of the polarised gluon density $\Delta G(x)$ in LO from di-jet production in polarised deep inelastic ep scattering, assuming the kinematics of the HERA collider. We show the sensitivity to the…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Radel , A. De Roeck , M. Maul

We have calculated diffractive dijet production in deep-inelastic scattering (DIS) at low-Q^2 and next-to-leading order (NLO) of perturbative QCD, including contributions from direct and resolved photons. We study how the cross section…

High Energy Physics - Phenomenology · Physics 2015-06-25 M. Klasen , G. Kramer

We demonstrate that perturbative QCD allows one to calculate the absolute cross section of diffractive exclusive production of photons at large $Q^2$ at HERA, while the aligned jet model allows one to estimate the cross section for…

High Energy Physics - Phenomenology · Physics 2014-11-17 L. Frankfurt , A. Freund , M. Strikman

Recent measurements of diffractive dijet and charm quark production in electron-proton collisions using the H1 detector at HERA are presented, where the exchanged photon is either almost real or highly virtual. The data are compared with…

High Energy Physics - Experiment · Physics 2011-09-13 Frank-Peter Schilling

The QCD analysis of deep inelastic diffractive scattering at HERA is performed assuming the dominance of the "soft" pomeron exchange and simple, physically motivated parametrization of parton distributions in the pomeron. Both the LO and…

High Energy Physics - Phenomenology · Physics 2016-09-01 K. Golec--Biernat , J. Kwieciński

Production of exclusive dijets in diffractive deep inelastic $e^\pm p$ scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 372 pb$^{-1}$. The measurement was performed for $\gamma^*-p$…

High Energy Physics - Experiment · Physics 2015-12-18 ZEUS Collaboration , H. Abramowicz , I. Abt , L. Adamczyk , M. Adamus , S. Antonelli , V. Aushev , Y. Aushev , O. Behnke , U. Behrens , A. Bertolin , I. Bloch , E. G. Boos , K. Borras , I. Brock , N. H. Brook , R. Brugnera , A. Bruni , P. J. Bussey , A. Caldwell , M. Capua , C. D. Catterall , J. Chwastowski , J. Ciborowski , R. Ciesielski , A. M. Cooper-Sarkar , M. Corradi , F. Corriveau , R. K. Dementiev , R. C. E. Devenish , G. Dolinska , S. Dusini , J. Figiel , B. Foster , G. Gach , E. Gallo , A. Garfagnini , A. Geiser , A. Gizhko , L. K. Gladilin , Yu. A. Golubkov , J. Grebenyuk , I. Gregor , G. Grzelak , O. Gueta , M. Guzik , W. Hain , D. Hochman , R. Hori , Z. A. Ibrahim , Y. Iga , M. Ishitsuka , A. Iudin , F. Januschek , N. Z. Jomhari , I. Kadenko , S. Kananov , U. Karshon , M. Kaur , P. Kaur , D. Kisielewska , R. Klanner , U. Klein , N. Kondrashova , O. Kononenko , Ie. Korol , I. A. Korzhavina , A. Kotański , U. Kötz , N. Kovalchuk , H. Kowalski , B. Krupa , O. Kuprash , M. Kuze , B. B. Levchenko , A. Levy , V. Libov , S. Limentani , M. Lisovyi , E. Lobodzinska , B. Löhr , E. Lohrmann , A. Longhin , D. Lontkovskyi , O. Yu. Lukina , I. Makarenko , J. Malka , S. Mergelmeyer , F. Mohamad Idris , N. Mohammad Nasir , V. Myronenko , K. Nagano , T. Nobe , D. Notz , R. J. Nowak , Yu. Onishchuk , E. Paul , W. Perlański , N. S. Pokrovskiy , M. Przybycień , P. Roloff , I. Rubinsky , M. Ruspa , D. H. Saxon , M. Schioppa , W. B. Schmidke , U. Schneekloth , T. Schörner-Sadenius , L. M. Shcheglova , R. Shevchenko , O. Shkola , Yu. Shyrma , I. Singh , I. O. Skillicorn , W. Słomiński , A. Solano , L. Stanco , N. Stefaniuk , A. Stern , P. Stopa , J. Sztuk-Dambietz , D. Szuba , J. Szuba , E. Tassi , K. Tokushuku , J. Tomaszewska , A. Trofymov , T. Tsurugai , M. Turcato , O. Turkot , T. Tymieniecka , A. Verbytskyi , O. Viazlo , R. Walczak , W. A. T. Wan Abdullah , K. Wichmann , M. Wing , G. Wolf , S. Yamada , Y. Yamazaki , N. Zakharchuk , A. F. Żarnecki , L. Zawiejski , O. Zenaiev , B. O. Zhautykov , N. Zhmak , D. S. Zotkin

A measurement is presented of the cross section for D* meson production in diffractive deep-inelastic scattering for the first time at HERA. The cross section is given for the process ep -> eXY, where the system X contains at least one D*…

High Energy Physics - Experiment · Physics 2008-11-26 H1 Collaboration , C. Adloff

The production of dijets in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of $61 \pbi$. The dijet cross section has been measured for virtualities of the exchanged…

High Energy Physics - Experiment · Physics 2010-05-19 ZEUS Collaboration , S. Chekanov

New results on diffractive deep-inelastic $e p$ scattering at HERA are presented using data taken in 1994 with the H1 detector. The cross section for diffractive deep-inelastic scattering is measured in terms of a diffractive structure…

High Energy Physics - Experiment · Physics 2007-05-23 S. Tapprogge

We calculate the rate for the deep-inelastic electroproduction of dijets at HERA. We study the weakening of the azimuthal (back-to-back) correlation between the jets, as $x$ decreases, to see whether it can be used to identify BFKL dynamics…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. J. Askew , D. Graudenz , J. Kwiecinski , A. D. Martin

The inclusive jet, dijet and trijet production cross-sections in deep-inelastic scattering (DIS) at $\sqrt{s}$=320GeV have been measured at the electron-proton collider HERA by the H1 and ZEUS collaborations using data taken in 1998-2000.…

High Energy Physics - Experiment · Physics 2010-01-15 A. Specka , the H1 Collaboration

Recent results from jet production in deep inelastic ep scattering to investigate parton dynamics at low x are reviewed. The results on jet production in deep inelastic scattering and photoproduction used to test perturbative QCD are…

High Energy Physics - Experiment · Physics 2014-11-17 C. Glasman

Two-jet production in deep-inelastic electron-proton scattering has been studied for $160<Q^2<1280$~GeV$^2$, $0.01<x<0.1$ and $0.04<y<0.95$ with the ZEUS detector at HERA. The kinematic properties of the jets and the jet production rates…

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