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Related papers: Nuclear attenuation of high energy multi-hadron sy…

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Nuclear attenuation of the two-hadron system is considered in the string model. The two-scale model and its improved version with two different choices of constituent formation time and sets of parameters obtained earlier for the single…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Akopov , L. Grigoryan , Z. Akopov

We propose extended version of stationary string model to describe the nuclear attenuation. This model takes into account flavour content of particles and allows to include into consideration all hadrons created from string. The predictions…

High Energy Physics - Phenomenology · Physics 2016-09-06 N. Z. Akopov , G. M. Elbakian , L. A. Grigoryan

For the first time, the nuclear attenuation of three hadron systems is studied in neutrino-induced reactions using the data obtained with SKAT bubble chamber. The strongest attenuation (R_3 ~ 0.6) is observed for a system carrying an…

High Energy Physics - Experiment · Physics 2011-08-09 N. M. Agababyan , L. Grigorian , N. Grigoryan , H. Gulkanyan , A. A. Ivanilov , Zh. Karamyan , V. A. Korotkov

One of the basic assumptions of the string model is that as a result of a DIS in nucleus a single string arises, which then breaks into hadrons. However the pomeron exchange considered in this work, leads to the production of two strings in…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Akopov , L. Grigoryan , Z. Akopov

The Two-Scale Model and its improved version were used to perform the fit to the HERMES data for $\nu$ (the virtual photon energy) and z (the fraction of $\nu$ carried by hadron) dependencies of nuclear multiplicity ratios for $\pi^+$ and…

High Energy Physics - Phenomenology · Physics 2016-09-06 N. Akopov , L. Grigoryan , Z. Akopov

The nuclear medium influence on the dihadron neutrinoproduction is investigated for the first time, using the data obtained with SKAT bubble chamber. An indication is obtained that the nuclear attenuation of the dihadron is more expressed…

High Energy Physics - Experiment · Physics 2011-03-14 N. M. Agababyan , V. V. Ammosov , M. Atayan , L. Grigoryan , N. Grigoryan , H. Gulkanyan , A. A. Ivanilov , Zh. Karamyan , V. A. Korotkov

We consider the production and decay of multiquark systems in the framework of string models where the hadron structure is determined by valence quarks together with string junctions. We show that the low mass multiquark resonances can be…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. G. Ryskin , Yu. M. Shabelski

To analyse ultrarelativistic nuclear interactions, usually either dynamical models like the string model are employed, or a thermal treatment based on hadrons or quarks is applied. String models encounter problems due to high string…

Nuclear Theory · Physics 2016-09-08 Klaus WERNER , Joerg AICHELIN

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

High Energy Physics - Phenomenology · Physics 2012-08-14 L. Grigoryan

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

Multi-hadron production in inelastic neutrino-nucleon interactions is investigated within the framework of the quark-gluon string model. The contributions of the planar (one-Reggeon exchange) and cylindrical (one-Pomeron exchange) graphs to…

High Energy Physics - Phenomenology · Physics 2009-11-07 G. I. Lykasov , U. Sukhatme , V. V. Uzhinsky

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

I propose a scaling analysis of the hadron multiplicity ratio measured in Deep Inelastic Scattering on nuclear targets as a tool to distinguish energy loss and nuclear absorption effects on hadron suppression in cold nuclear matter. The…

Nuclear Theory · Physics 2008-11-26 Alberto Accardi

The elastic neutron-${}^3\mathrm{H}$ scattering at intermediate energies is studied using rigorous integral equations solved in the momentum-space partial-wave basis. The four-particle transition operators are expanded into…

Nuclear Theory · Physics 2025-02-24 A. Deltuva

It is shown that naive two stage scenario of the soft multiparticle production in hadronic and nuclear collisions at high energy, when at first stage the colour strings are formed and at the second stage these strings, or some other (higher…

High Energy Physics - Phenomenology · Physics 2008-12-04 V. V. Vechernin

We discuss multi-hadron production in both inelastic neutrino-nucleon interactions in the current fragmentation region and neutrino-nucleus collisions in the target fragmentation region. Our analysis, carried out within the framework of the…

Nuclear Theory · Physics 2015-06-26 O. Benhar , S. Fantoni , G. I. Lykasov , U. Sukhatme , V. V. Uzhinsky

We investigate hadron attenuation in deep-inelastic lepton scattering off complex nuclei in the kinematic regime of the HERMES experiment. Our transport theoretical simulations reveal strong prehadronic final state interactions of the…

Nuclear Theory · Physics 2007-05-23 T. Falter , W. Cassing , K. Gallmeister , U. Mosel

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

The energy-dependence of charged particle mean multiplicity and pseudorapidity density at midrapidity measured in nucleus-nucleus and (anti)proton-proton collisions are studied in the entire available energy range. The study is performed…

High Energy Physics - Phenomenology · Physics 2010-12-15 Edward K. G. Sarkisyan , Alexander S. Sakharov

The present phenomenological study investigates a multi-channel model of high-energy hadron interactions by considering a full parton configurations space and the $U$-matrix unitarisation scheme of the elastic amplitude, comparing it to the…

High Energy Physics - Phenomenology · Physics 2023-05-19 Rami Oueslati
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