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A measurement is presented of diffractive dijet production in deep-inelastic scattering (DIS) interactions at HERA of the type ep-->eXY, where the X system is separated by a large rapidity gap from a low-mass leading baryonic system Y. The…

高能物理 - 实验 · 物理学 2015-06-25 F. -P. Schilling

We calculate diffractive dijet production in deep-inelastic scattering at next-to-leading order of perturbative QCD, including contributions from direct and resolved photons, and compare our predictions to preliminary data from the H1…

高能物理 - 唯象学 · 物理学 2014-11-18 M. Klasen , G. Kramer

Using the analytical expression for transverse momentum dependent (TMD) gluon density in a proton, a self-consistent simultaneous description of low $Q^2$ data on proton structure function $F_2(x,Q^2)$, reduced cross section for the…

高能物理 - 唯象学 · 物理学 2023-10-06 A. V. Lipatov , G. I. Lykasov , M. A. Malyshev

We suggest a simple physical picture for the diffractive parton distributions that appear in diffractive deeply inelastic scattering. In this picture, partons impinging on the proton can have any transverse separation, but only when the…

高能物理 - 唯象学 · 物理学 2009-12-31 F. Hautmann , D. E. Soper

We report an evaluation of subleading eigenvalues and eigenfunctions of the BFKL equation in the color dipole representation with a running gauge coupling. We present an expansion of the small-$x$ proton structure function $F_{2p}(x,Q^2)$…

高能物理 - 唯象学 · 物理学 2009-10-30 Vladimir R. Zoller

We investigate the influence of higher twist corrections to deep inelastic structure functions in the low-$Q^2$ and small-$x$ HERA region. We review the general features of the lowest-order QCD diagrams which contribute to twist-4 at…

高能物理 - 唯象学 · 物理学 2008-11-26 J. Bartels , K. Golec-Biernat , K. Peters

We suggest that the pseudo-rapidity cut dependence of diffractive deep-inelastic scattering events at HERA may provide a sensitive test of models of diffraction. A comparison with the experimental cross section shows that the…

高能物理 - 唯象学 · 物理学 2009-02-11 J. Ellis , G. G. Ross , J. Williams

Low field response function calculations have been performed on a two-dimensional electron gas with well-defined electron-surface roughness scattering. The Lindhard model was employed to compute the response function. In particular,…

介观与纳米尺度物理 · 物理学 2014-09-02 A. Phirouznia , L. Javadian , J. Poursamad Bonab , K. Jamshidi-Ghaleh

Diffractive scattering of $\gamma^* p \to X + N$, where $N$ is either a proton or a nucleonic system with $M_N~<~4$~GeV has been measured in deep inelastic scattering (DIS) at HERA. The cross section was determined by a novel method as a…

高能物理 - 实验 · 物理学 2012-08-27 ZEUS Collaboration

We use data on the deep inelastic structure function F_2 in order to constrain the cross-section for scattering a colour dipole off a proton. The data seem to prefer parameterisations which include saturation effects. That is they indicate…

高能物理 - 唯象学 · 物理学 2008-11-26 J. R. Forshaw , G. Shaw

By introducing Q^2-dependence in resonance-reggeon "soft" dual models with nonlinear trajectories, they are extended to "hard" processes, sharing the property of parton-hadron duality. The resulting object is a two-component complex…

核理论 · 物理学 2007-05-23 L. Jenkovszky , V. K. Magas , E. Predazzi

A future high-energy electron-ion collider would explore the non-linear weakly-coupled regime of QCD, and test the Color Glass Condensate (CGC) approach to high-energy scattering. Hard diffraction in deep inelastic scattering off nuclei…

高能物理 - 唯象学 · 物理学 2008-06-02 C. Marquet , H. Kowalski , T. Lappi , R. Venugopalan

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…

高能物理 - 唯象学 · 物理学 2007-05-23 M. Wobisch

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…

高能物理 - 唯象学 · 物理学 2007-05-23 Tancredi Carli

We compare recent experimental results for one-particle-inclusive processes in deeply inelastic scattering at HERA with theoretical predictions in next-to-leading-order QCD perturbation theory, and study the factorization scale dependence…

高能物理 - 唯象学 · 物理学 2009-10-28 Dirk Graudenz

We calculate the QED corrections to deep inelastic scattering with tagged photons at HERA in the leading logarithmic approximation. Due to the special experimental setup, two large scales appear in the calculation that lead to two large…

高能物理 - 唯象学 · 物理学 2009-10-30 H. Anlauf , A. B. Arbuzov , E. A. Kuraev , N. P. Merenkov

The procedure used for structure function measurements at HERA is briefly described and related to the properties of kinematic reconstruction. The reconstruction methods of the inclusive deep inelastic scattering variables are reviewed and…

高能物理 - 实验 · 物理学 2009-10-31 Ursula Bassler , Gregorio Bernardi

I review recent progress in analysing deep inelastic scattering structure functions in global analyses. The new ingredients are new data and attempts to incorporate heavy quarks consistently. A new way of including the resummation of large…

高能物理 - 唯象学 · 物理学 2009-10-30 R. G. Roberts

Internal jet structure in dijet production in deep-inelastic scattering is measured with the H1 detector at HERA. Jets with transverse energies ET,Breit > 5 GeV are selected in the Breit frame employing k_perp and cone jet algorithms. In…

高能物理 - 实验 · 物理学 2008-11-26 C. Adloff

We successfully describe the HERA-data on diffractive deep inelastic scattering using a saturation model which has been applied in our earlier analysis of the inclusive $ep$-scattering data. No further parameters are needed. Saturation…

高能物理 - 唯象学 · 物理学 2008-11-26 K. Golec-Biernat , M. Wusthoff