English
Related papers

Related papers: Differences between Monte Carlo models for DIS at …

200 papers

The azimuthal angular decorrelation that is relevant to small-x QCD physics is studied in this paper to show the BFKL effect with a recent event generator. Events are generated at \sqrt{s} = 100 TeV with proton-proton collisions and jets,…

High Energy Physics - Phenomenology · Physics 2019-03-27 I. Hos , H. Saygin , S. Kuday

The Pomeron dynamics is investigated via deep inelastic scattering (DIS) at small x in the framework of holographic quantum chromodynamics. The small x DIS process is assumed to be described by the graviton exchange between external vector…

High Energy Physics - Phenomenology · Physics 2015-06-11 Akira Watanabe , Katsuhiko Suzuki

We study the properties of dijet production in deep inelastic scattering using a unified BFKL/DGLAP framework, which includes important subleading ln (1/x) contributions. We calculate the azimuthal decorrelation between the jets. We compute…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. Kwiecinski , A. D. Martin , A. M. Stasto

The following aspects of hadronic final states in deep inelastic lepton scattering are reviewed: measuring $alpha_s$ from multi-jet production rates and event shapes; alternative jet algorithms for DIS; power-suppressed corrections to event…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. R. Webber

The inclusive forward jet cross section in deep inelastic $e^+p$ scattering has been measured in the region of $x$--Bjorken, ~$4.5 \cdot 10^{-4}$~ to ~$4.5 \cdot 10^{-2}$. This measurement is motivated by the search for effects of…

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

Using a novel observable that relies on the momentum difference of the two most energetic subjets within a jet $\Delta S_{12}$ we study the internal structure of high-energy jets simulated by several Monte Carlo event generators that…

High Energy Physics - Phenomenology · Physics 2018-07-03 Liliana Apolinário , José Guilherme Milhano , Mateusz Ploskon , Xiaoming Zhang

In this lecture I discuss jet-shape distributions and describe how from jet evolution one may design Monte Carlo simulations which are used in the analysis of short distance distributions in $\ee$-annihilation, lepton-hadron and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Giuseppe Marchesini

It is shown using Lund Monte Carlo that, unlike the average properties of the hadronic system inside jets, the anisotropy of dynamical fluctuations in these systems changes abruptly with the variation of the cut parameter $y_cut$. A…

High Energy Physics - Phenomenology · Physics 2007-05-23 Lianshou liu , Gang Chen , Jinghua Fu

Structural and kinetic aspects of 2-D irreversible metal deposition under potentiostatic conditions are analyzed by means of dynamic Monte Carlo simulations employing embedded atom potentials for a model system. Three limiting models, all…

Materials Science · Physics 2007-05-23 M. Cecilia Gimenez , Mario G. Del Popolo , Ezequiel P. M. Leiva

We examine the significance of $2 \rightarrow 2$ partonic collisions as the suppression mechanism of high-energy partons in the strongly interacting medium formed in ultrarelativistic heavy ion collisions. For this purpose, we have…

High Energy Physics - Phenomenology · Physics 2011-06-14 Jussi Auvinen , Kari J. Eskola , Hannu Holopainen , Thorsten Renk

We explore the perturbative QCD dynamics of hard parton-parton scattering through the exchange of a color singlet two-gluon ladder as described by the BFKL equation, resulting in a rapidity gap between two high transverse momentum jets.…

High Energy Physics - Phenomenology · Physics 2017-04-03 Andreas Ekstedt , Rikard Enberg , Gunnar Ingelman

A study of the dynamical fluctuation property of jets is carried out using the Monte Carlo method. The results suggest that, the anisotropy of dynamical fluctuations in the hadronic system inside jets, changes abruptly with the variation of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Liu Lianshou , Chen Gang , Fu Jinghua

Deep inelastic electron-photon scattering is studied in the Q**2 range from 1.2 to 30 GeV**2 using the LEP1 data taken with the ALEPH, L3 and OPAL detectors at centre-of-mass energies close to the mass of the Z boson. Distributions of the…

High Energy Physics - Experiment · Physics 2012-08-27 ALEPH Collaboration , L3 Collaboration , OPAL Collaboration , LEP Two Photon Working Group

Monte Carlo approaches are a powerful tool in collider physics as they allow to make theory-data comparison on complex multi-particle observables, otherwise difficult for perturbative calculations. In heavy-ion collisions, there is a…

High Energy Physics - Phenomenology · Physics 2019-05-03 Liliana Apolinário

In this paper we present a new technique for analysis of transverse momentum dependent parton distribution functions, based on the Bessel weighting formalism. The procedure is applied to studies of the double longitudinal spin asymmetry in…

High Energy Physics - Phenomenology · Physics 2015-06-22 M. Aghasyan , H. Avakian , E. De Sanctis , L. Gamberg , M. Mirazita , B. Musch , A. Prokudin , P. Rossi

We have implemented in the RAPGAP program a previously derived subtraction method for next-to-leading order (NLO) corrections in Monte-Carlo event generators, and we show results for jet production in deep inelastic scattering. At small…

High Energy Physics - Phenomenology · Physics 2007-05-23 John Collins , Xiaomin Zu

We study coarsening phenomena in three different simple exclusion processes with quenched disordered jump rates. In the case of the totally asymmetric process, an earlier phenomenological description is improved, yielding for the time…

Disordered Systems and Neural Networks · Physics 2015-06-05 R. Juhász , G. Ódor

We use the BFKL equation to calculate the rate of deep inelastic scattering events containing two forward jets (adjacent to the proton remnants) at HERA. We compare the production of two forward jets with that of only one forward jet (the…

High Energy Physics - Phenomenology · Physics 2016-09-06 J. Kwiecinski , C. A. M. Lewis , A. D. Martin

We compare two Monte Carlo implementations of resummation schemes for the description of parton evolution at small values of Bjorken x. One of them is based on the Balitsky-Fadin-Kuraev-Lipatov (BFKL) evolution equation and generates fully…

High Energy Physics - Phenomenology · Physics 2015-03-18 G. Chachamis , M. Deak , A. Sabio Vera , P. Stephens

Using Monte Carlo method we study a two-dimensional model with infinitely many absorbing states. Our estimation of the critical exponent beta=0.273(5) suggests that the model belongs to the (1+1) rather than (2+1) directed-percolation…

Statistical Mechanics · Physics 2009-10-31 Adam Lipowski