English
Related papers

Related papers: b-CGC versus IP-Sat and high precision combined HE…

200 papers

The azimuthal collimation of di-hadrons with large rapidity separations in high multiplicity p+p collisions at the LHC is described in the Color Glass Condensate (CGC) effective theory [1] by N_c^2 suppressed multi-ladder QCD diagrams that…

High Energy Physics - Phenomenology · Physics 2013-05-30 Kevin Dusling , Raju Venugopalan

We present an analysis of the heavy quark structure functions from the $k_{t}$ factorization scheme, using unifying the color dipole picture and double asymptotic scaling approaches at small $x$. The gluon distribution is obtained from the…

High Energy Physics - Phenomenology · Physics 2024-03-12 G. R. Boroun

There are major discrepancies between recent ICFT (Intermediate Coupling Frame Transformation) and DARC (Dirac Atomic R-matrix Code) calculations (Fern\'andez-Menchero et al. 2014, Astron. Astroph. 566 A104, Aggarwal et al. 2016 Mon. Not. R…

Atomic Physics · Physics 2017-03-10 L. Fernández-Menchero , O. Zatsarinny , K. Bartschat

In order to get an estimate of the homogeneity of the distribution of matter in a fast hadron, we compute the correlation of the saturation scales between different impact parameters. We find that these correlations are quite strong: The…

High Energy Physics - Phenomenology · Physics 2010-11-19 S. Munier

The cross section of diffractive deep-inelastic scattering ep \rightarrow eXp is measured, where the system X contains at least two jets and the leading final state proton is detected in the H1 Forward Proton Spectrometer. The measurement…

High Energy Physics - Experiment · Physics 2015-06-03 H1 Collaboration

Recent measurements of diffractive vector-meson production with the general-purpose detectors H1 and ZEUS in electron-proton interactions with 300 GeV center-of-mass energy at the HERA accelerator complex have stimulated great interest in…

High Energy Physics - Experiment · Physics 2007-05-23 J. A. Crittenden

The particle production at very forward rapidities is expected to be sensitive to the non-linear effects in the QCD dynamics at high energies. In this paper we present, for the first time, the predictions of the Color Dipole formalism for…

High Energy Physics - Phenomenology · Physics 2020-07-15 V. P. Goncalves , G. Sampaio dos Santos , C. R. Sena

We analyse the newest diffractive deep inelastic scattering data from HERA using the dipole model approach. We find a reasonable good agreement between the predictions and the data although the region of small values of a kinematic variable…

High Energy Physics - Phenomenology · Physics 2009-09-23 Agnieszka Luszczak

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

Final results of a detailed analysis of p+p elastic scattering data are presented, utilizing the quark-diquark model of protons in a form proposed by Bialas and Bzdak. The differential cross-section of elastic proton-proton collisions is…

High Energy Physics - Phenomenology · Physics 2016-08-14 F. Nemes , T. Csörgő

We compute cross sections for incoherent and coherent diffractive J/$\Psi$ and $\Psi(2S)$ production in ultraperipheral heavy ion collisions. The dipole models used in these calculations are obtained by fitting the HERA deep inelastic…

High Energy Physics - Phenomenology · Physics 2014-06-12 T. Lappi , H. Mäntysaari

We investigate the forward-jet energy spectrum within the Color Glass Condensate framework at 5 TeV center-of-mass energy. In particular, we focus on the kinematic range covered by the CMS-CASTOR calorimeter. We show that our…

High Energy Physics - Phenomenology · Physics 2019-12-25 Heikki Mäntysaari , Hannu Paukkunen

A measurement of inclusive charged particle distributions in deep inelastic $ep$ scattering for $\gamma^* p$ centre-of-mass energies $75< W < 175$~GeV and momentum transfer squared $10< Q^2 < 160$~GeV$^2$ from the ZEUS detector at HERA is…

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

The diffractive dissociation of virtual photons, gamma*p -> Xp, has been studied in ep interactions at HERA with the H1 and ZEUS detectors. The data are presented in terms of the diffractive structure function F2D and of the diffractive…

High Energy Physics - Experiment · Physics 2019-08-14 Marta Ruspa

We investigate the role of unitarization effects in virtual photon-proton (\gamma^*p) interactions at small x. The q\bar{q}-fluctuation of the initial photon is separated into a small distance and a large distance component and a model for…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Capella , E. G. Ferreiro , A. B. Kaidalov , C. A. Salgado

Two-particle correlations in invariant mass are studied separately for like-sign and unlike-sign charged particles produced in deep inelastic positron-proton scattering in a new kinematical domain. The data were taken with the H1 detector…

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

Fluctuations play an important role in diffractive production of vector mesons. It was in particular recently suggested, based on the Impact-Parameter dependent Saturation model (IPSat), that geometrical fluctuations triggered by the motion…

High Energy Physics - Phenomenology · Physics 2019-06-19 Marco Claudio Traini , Jean-Paul Blaizot

We determine the likelihood distribution for the model parameters describing the event-by-event fluctuating proton geometry at small $x$ by performing a Bayesian analysis within the Color Glass Condensate framework. The exclusive…

High Energy Physics - Phenomenology · Physics 2022-08-02 Heikki Mäntysaari , Björn Schenke , Chun Shen , Wenbin Zhao

We review QCD based descriptions of diffractive deep inelastic scattering emphasizing the role of models with parton saturation. These models provide natural explanation of such experimentally observed facts as the constant ratio of…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Golec-Biernat

The Color Glass Condensate (CGC) effective theory and the collinear factorization at high-twist (HT) are two well-known frameworks describing perturbative QCD multiple scatterings in nuclear media. It has long been recognized that these two…

High Energy Physics - Phenomenology · Physics 2023-10-20 Yu Fu , Zhong-Bo Kang , Farid Salazar , Xin-Nian Wang , Hongxi Xing