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Related papers: Long Range Structure of the Nucleon

200 papers

The quark-meson coupling model for nuclear matter, which describes nuclear matter as non-overlapping MIT bags bound by the self-consistent exchange of scalar and vector mesons, is modified by introducing medium modification of the bag…

Nuclear Theory · Physics 2008-11-26 Xuemin Jin , B. K. Jennings

We review the current status and future prospects on the subject of flavor structure of the nucleon sea. The flavor structure of the nucleon sea provides unique information on the non-perturbative aspects of strong interactions allowing…

High Energy Physics - Phenomenology · Physics 2014-10-09 Wen-Chen Chang , Jen-Chieh Peng

The strongly repulsive core of the short-range nucleon-nucleon interaction leads to the existence of high-momentum nucleons in nuclei. Inclusive electron scattering can be used to probe these high-momentum nucleons and study the nature of…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Arrington

To obtain further information on the geometric shape of the nucleon, the proton charge form factor is decomposed into two terms, which are connected respectively with a spherically symmetric and an intrinsic quadrupole part of the proton's…

High Energy Physics - Phenomenology · Physics 2010-11-11 A. J. Buchmann

Previously defined spin-dependent quark densities that are matrix elements of specific density operators in proton states of definite spin-polarization generally have an infinite variety of non-spherical shapes. The present application is…

Nuclear Theory · Physics 2009-11-11 Alexander Kvinikhidze , Gerald A. Miller

We explore in more detail the modified quark meson coupling (MQMC) model in nuclear matter. Based on previous studies two different functional forms for the density dependence of the bag constant are discussed. For uniform matter…

Nuclear Theory · Physics 2009-10-30 Horst Mueller , Byron K. Jennings

The quark-meson coupling model, based on a mean-field description of non-overlapping nucleon bags bound by the self-consistent exchange of $\sigma$, $\omega$ and $\rho$ mesons, is reviewed. In particular, I present the changes in the hadron…

Nuclear Theory · Physics 2007-05-23 Koichi Saito

Hadron structure and nuclear structure are discussed from the common ground of effective chiral Lagrangians modeling QCD at low energy. The topics treated are the chiral bag model in large $N_c$ QCD, its connection to heavy-baryon chiral…

High Energy Physics - Phenomenology · Physics 2016-09-01 Mannque Rho

We present our recent progress in applying basis light-front quantization approach to investigate the structure of the light mesons and the nucleon.

High Energy Physics - Phenomenology · Physics 2022-08-18 Chandan Mondal , Jiangshan Lan , Kaiyu Fu , Siqi Xu , Zhi Hu , Xingbo Zhao , James P. Vary

Similarities between nuclear structure study with many-body theory approach and nucleon structure calculations with lattice QCD are pointed out. We will give an example of how to obtain the connected sea partons from a combination of the…

High Energy Physics - Phenomenology · Physics 2015-06-19 Keh-Fei Liu

We study the low momentum behavior of nucleon gravitational form factors in the framework of the heavy baryon chiral perturbation theory. At zero recoil they determine the momentum and spin apportion between nucleon constituents. Our result…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. V. Belitsky , X. Ji

We apply the perturbative chiral quark model (PCQM) at one loop to analyse the electromagnetic structure of nucleons. This model is based on an effective Lagrangian, where baryons are described by relativistic valence quarks and a…

High Energy Physics - Phenomenology · Physics 2009-11-07 V. E. Lyubovitskij , Th. Gutsche , Amand Faessler

We present a consistent calculation of the structure functions within a light-front constituent quark model of the nucleon. Relativistic effects and the relevance of the covariance constraints are analyzed for both polarized and unpolarized…

High Energy Physics - Phenomenology · Physics 2009-10-31 P. Faccioli , M. Traini , V. Vento

Using the quark-meson coupling (QMC) model, we study the longitudinal response function for quasielastic electron scattering from nuclear matter. In QMC the coupling constant between the scalar ($\sigma$) meson and the nucleon is expected…

Nuclear Theory · Physics 2010-02-17 K. Saito , K. Tsushima , A. W. Thomas

The progress in the modeling of exotic nuclei with an extreme neutron-to-proton ratio is discussed. Two topics are emphasized: (i) the quest for the universal microscopic nuclear energy density functional and (ii) the progress in the…

Nuclear Theory · Physics 2017-08-23 J. Dobaczewski , N. Michel , W. Nazarewicz , M. Ploszajczak , M. V. Stoitsov

We use an effective quark model to describe both hadronic matter and deconfined quark matter. By calculating the equations of state and the corresponding neutron star properties, we show that the internal properties of the nucleon have…

Nuclear Theory · Physics 2010-02-17 S. Lawley , W. Bentz , A. W. Thomas

We propose a semi-empirical quark model of nucleon structure, so-called, Strongly Correlated Quark Model, SCQM, which possess the features of both non-relativistic and relativistic quark models. Based on SU(3) color symmetry it includes the…

Nuclear Theory · Physics 2025-07-01 G. Musulmanbekov

This talk presents recent calculations in full QCD of the lowest three moments of generalized parton distributions and the insight they provide into the behavior of nucleon electromagnetic form factors, the origin of the nucleon spin, and…

This review presents some of the challenges in constructing models of atomic nuclei starting from theoretical descriptions of the strong interaction between nucleons. The focus is on statistical computing and methods for analyzing the link…

Nuclear Theory · Physics 2019-12-06 Andreas Ekström