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Related papers: Simple parameterization of nuclear attenuation dat…

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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

Using QCD-inspired time dependent cross sections for pre-hadrons we provide a combined analysis of available experimental data on hadron attenuation in DIS off nuclei as measured by HERMES with 12 and 27 GeV and by EMC with 100 and 280 GeV…

Nuclear Theory · Physics 2008-11-26 K. Gallmeister , U. Mosel

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

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

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

Nuclei are unique analyzers for the early stage of the space-time development of hadronization. DIS at medium energies is especially suitable for this task being sensitive to hadronization dynamics, since the production length is comparable…

High Energy Physics - Phenomenology · Physics 2009-11-10 B. Z. Kopeliovich , J. Nemchik , E. Predazzi , A. Hayashigaki

A series of semi-inclusive deep-inelastic scattering measurements on deuterium, helium, neon, krypton, and xenon targets has been performed in order to study hadronization. The data were collected with the HERMES detector at the DESY…

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

Nuclear attenuation of the multi-hadron systems in the string model is considered. The improved two-scale model with set of parameters obtained recently for the single hadron attenuation is used for calculation of the multiplicity ratios of…

High Energy Physics - Phenomenology · Physics 2013-05-29 L. Grigoryan

In the first part of the present work the $\mu-\tau $ symmetry of the neutrino mass matrix is perturbed at its minimal level in order to produce deviation from Tri-bimaximal mixing (TBM), which includes nonzero value of reactor angle…

High Energy Physics - Phenomenology · Physics 2012-07-02 Subhankar Roy , N. Nimai Singh

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

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

Exclusive coherent and incoherent electroproduction of the $\rho^0$ meson from $^1$H and $^{14}$N targets has been studied at the HERMES experiment as a function of coherence length ($l_c$), corresponding to the lifetime of hadronic…

High Energy Physics - Experiment · Physics 2008-11-26 HERMES Collaboration , A. Airapetian

On the basis of the so-called "yukawaon" model, we found out a special form of the neutrino mass matrix $M_\nu$ which gives reasonable predictions. The $M_\nu$ is given by a multiplication form made of charged lepton mass matrix $M_e$ and…

High Energy Physics - Phenomenology · Physics 2015-05-28 Yoshio Koide , Hiroyuki Nishiura

The influence of the nuclear medium on the production of charged hadrons in semi-inclusive deep-inelastic scattering has been studied by the HERMES experiment at DESY using a 27.5 GeV positron beam. The differential multiplicity of charged…

High Energy Physics - Experiment · Physics 2009-01-07 HERMES Collaboration , A. Airapetian

We present a detailed theoretical investigation of hadron attenuation in deep inelastic scattering (DIS) off complex nuclei in the kinematic regime of the HERMES experiment. The analysis is carried out in the framework of a probabilistic…

Nuclear Theory · Physics 2016-09-08 T. Falter , W. Cassing , K. Gallmeister , U. Mosel

We introduce a data analysis procedure for color transparency experiments which is considerably less model dependent than the transparency ratio method. The new method is based on fitting the shape of the A dependence of the nuclear cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 Pankaj Jain , John P. Ralston

In a previous paper, new sets of parameters to replace the Michel parameters were proposed to analyze data for the muon decay $\mu^{+} \to e^{+}\nu_{e}\bar{\nu_{\mu}}$. Both $(V-A)$ and $(V+A)$ charged currents with finite neutrino mass…

High Energy Physics - Phenomenology · Physics 2010-01-07 Masaru Doi , Tsuneyuki Kotani , Hiroyuki Nishiura

Nuclear matter properties based on a relativistic approach suitable for the description of multi-component systems are calculated. We use a set of nuclear relativistic mean-field models that satisfy acceptable nuclear matter properties and…

Nuclear Theory · Physics 2022-04-21 Helena Pais , Oleksii Ivanytskyi , Constança Providência

Electromagnetic (EM) radiation off strongly interacting matter created in high-energy heavy-ion collisions (HICs) encodes information on the high-temperature phases of nuclear matter. Microscopic calculations of thermal EM emission rates…

High Energy Physics - Phenomenology · Physics 2015-03-05 Matthew Heffernan , Paul Hohler , Ralf Rapp

Building upon our previously developed time-dependent Hartree-Fock (TDHF)@$v_W$ method, based on many-body perturbation theory and specifically the Bethe-Salpeter Equation (BSE), we introduce a parameterization scheme for the attenuated…

Chemical Physics · Physics 2025-06-03 Barry Y. Li , Tim Duong , Tucker Allen , Nadine C. Bradbury , Justin R. Caram , Daniel Neuhauser
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