English
Related papers

Related papers: Formation time scaling and hadronization in cold n…

200 papers

I review a recently proposed scaling analysis of hadron suppression in Deeply Inelastic Scattering on nuclear targets measured at the HERMES experiment. The analysis can distinguish 2 competing explanations for the observed suppression,…

Nuclear Theory · Physics 2008-11-26 Alberto Accardi

Hadron production in lepton-nucleus deep inelastic scattering is studied in a model including quark energy loss and nuclear absorption. The leading-order computations for hadron multiplicity ratios are presented and compared with the…

High Energy Physics - Phenomenology · Physics 2013-10-22 Li-Hua Song , Na Liu , Chun-Gui Duan

Hadron production in lepton-nucleus deep inelastic scattering is studied in an absorption model. In the proposed model, the early stage of hadronization in the nuclear medium is dominated by prehadron formation and absorption, controlled by…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Accardi , D. Grunewald , V. Muccifora , H. J. Pirner

Semi-inclusive deep inelastic scattering on nuclear targets is an ideal tool to study the energy loss effect of an outgoing quark in a nuclear medium. By means of the short hadron formation time, the experimental data with quark…

High Energy Physics - Phenomenology · Physics 2011-09-27 Li-Hua Song , Chun-Gui Duan

A new scaling variable is introduced in terms of which nuclear shadowing in deep-inelastic scattering is universal, i.e. independent of $A$, $Q^2$ and $x$. This variable can be interpreted as a measure of the number of gluons probed by the…

High Energy Physics - Phenomenology · Physics 2011-04-15 B. Kopeliovich , B. Povh

We present a perturbative QCD based model for vacuum and in-medium hadronization. The effects of induced energy loss and nuclear absorption have been included. The main objective is the determination of the relative contribution of these…

High Energy Physics - Phenomenology · Physics 2020-10-14 B. Guiot , B. Z. Kopeliovich

Hadron production in lepton-nucleus deep inelastic scattering is studied in a quark energy loss model. The leading-order computations for hadron multiplicity ratios are presented and compared with the selected HERMES pions production data…

High Energy Physics - Phenomenology · Physics 2013-10-23 Li-Hua Song , Na Liu , Chun-Gui Duan

Predictions for semi-inclusive deep inelastic lepton-nucleus scattering are presented. Both the effects of gluon radiation by the struck quark and the absorption of the produced hadron are considered. The gluon radiation covers a larger…

Nuclear Theory · Physics 2009-11-07 Alberto Accardi , Valeria Muccifora , Hans-Juergen Pirner

The improved two-scale model is used to perform the fit to the semi-inclusive deep-inelastic scattering (SIDIS) data of HERMES experiment at DESY on nuclear targets. The ratio of hadron multiplicity on nuclear target to the deuterium one is…

High Energy Physics - Phenomenology · Physics 2011-02-09 N. Akopov , L. Grigoryan , Z. Akopov

We analyze geometrical scaling in deep inelastic scattering using experimental data from HERA ep collider. Parallel analyses are performed for energy and Bjorken-x data binnings. In particular, value of parameter \lambda which governs…

High Energy Physics - Phenomenology · Physics 2013-02-05 Tomasz Stebel

We present a space-time description of hadronization of highly virtual quarks originating from a deep-inelastic electron scattering (DIS). Important ingredients of our approach are the time- and energy--dependence of the density of energy…

Nuclear Theory · Physics 2007-05-23 B. Z. Kopeliovich , J. Nemchik , E. Predazzi

A new scaling variable is introduced in terms of which nuclear shadowing in deep-inelastic scattering is universal, i.e. independent of $A$, $Q^2$ and $x$. This variable can be interpreted as a measure of the number of gluons probed by the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Boris Kopeliovich , Bogdan Povh

Beside its intrinsic interest for the insights it can give into color confinement, knowledge of the space-time evolution of hadronization is very important for correctly interpreting jet-quenching data in heavy ion collisions and extracting…

Nuclear Theory · Physics 2011-09-13 Alberto Accardi

Medium modification of dihadron fragmentation functions due to gluon bremsstrahlung induced by multiple partonic scattering is studied in both deep-inelastic scattering (DIS) off large nuclei and high-energy heavy-ion collisions within the…

Nuclear Theory · Physics 2008-11-26 A. Majumder , Enke Wang , Xin-Nian Wang

We calculate the multiple scattering effect on single hadron production in semi-inclusive lepton-nucleus deeply inelastic scattering. We show that the quantum interference of multiple scattering amplitudes leads to suppression in hadron…

High Energy Physics - Phenomenology · Physics 2007-06-13 Xiaofeng Guo , Jun Li

Knowing whether a hadron is formed inside or outside the nuclear medium is very important for correctly interpreting jet quenching in heavy-ion collisions. The cleanest experimental environment to study the space-time evolution of…

Nuclear Theory · Physics 2007-05-23 Alberto Accardi

The multihadron production in nucleus-nucleus collisions and its interrelation with that in (anti)proton-proton interactions are studied by exploring the charged particle mean multiplicity collision-energy and centrality dependencies in the…

High Energy Physics - Phenomenology · Physics 2016-04-05 Edward K. G. Sarkisyan , Aditya Nath Mishra , Raghunath Sahoo , Alexander S. Sakharov

In this paper it is demonstrated that based on two-dimensional distributions in semi-inclusive deep inelastic scattering (SIDIS) data, obtained recently by the HERMES experiment at DESY on different nuclei, which contains data for charged…

High Energy Physics - Phenomenology · Physics 2008-10-28 N. Akopov , L. Grigoryan , Z. Akopov

First measurement of double-hadron production in deep-inelastic scattering has been measured with the HERMES spectrometer at HERA using a 27.6 GeV positron beam with deuterium, nitrogen, krypton and xenon targets. The influence of the…

High Energy Physics - Experiment · Physics 2012-08-03 The HERMES Collaboration , A. Airapetian

Hadron multiplicities in semi-inclusive deep-inelastic scattering were measured on neon, krypton and xenon targets relative to deuterium at an electron-beam energy of 27.6 GeV at HERMES. These ratios were determined as a function of the…

High Energy Physics - Experiment · Physics 2011-11-11 Inti Lehmann
‹ Prev 1 2 3 10 Next ›