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Related papers: The Hypercentral Constituent Quark Model

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We report on the recent results of the hypercentral constituent quark model. The model contains a spin independent three-quark interaction which is inspired by QCD lattice calculations and reproduces the average energy values of the SU(6)…

Nuclear Theory · Physics 2017-08-23 M. M. Giannini , E. Santopinto , A. Vassallo

We report on the recent results of the hypercentral Constituent Quark Model (hCQM). The model contains a spin independent three-quark interaction which is inspired by Lattice QCD calculations and reproduces the average energy values of the…

Nuclear Theory · Physics 2017-08-23 M. M. Giannini , E. Santopinto , A. Vassallo

We report on the recent results of the hypercentral Constituent Quark Model (hCQM). The model contains a spin independent three-quark interaction which is inspired by Lattice QCD calculations and reproduces the average energy values of the…

Nuclear Theory · Physics 2009-11-10 M. M. Giannini , E. Santopinto , A. Vassallo

We report on the recent results of the hypercentral Constituent Quark Model (hCQM). The model contains a spin independent three-quark interaction which is inspired by Lattice QCD calculations and reproduces the average energy values of the…

Nuclear Theory · Physics 2015-06-26 M. De Sanctis , M. M. Giannini , E. Santopinto , A. Vassallo

The constituent quark model based on a hypercentral approach takes into account three-body force effects and standard two-body potential contributions. The quark potential contains a hypercentral interaction, to which a hyperfine term is…

Nuclear Theory · Physics 2016-09-08 M. M. Giannini , E. Santopinto , A. Vassallo

The hypercentral CQM, which is inspired by Lattice QCD calculations for quark-antiquark potentials, is presented, stressing its underlying symmetry. Its results for the spectrum, the helicity amplitudes and the elastic form factors are…

Nuclear Theory · Physics 2017-08-23 M. M. Giannini , E. Santopinto

The hypercentral Constituent Quark Model (hCQM) for the baryon structure is reviewed and its applications are systematically discussed. The model is based on a simple form of the quark potential, which contains a Coulomb-like interaction…

Nuclear Theory · Physics 2015-03-05 M. M. Giannini , E. Santopinto

The predictions of the hypercentral Consituent Quark Model for the nucleon helicity amplitudes are briefly reported. Some future perspectives are also discussed.

Nuclear Theory · Physics 2015-06-22 M. M. Giannini

We report in a systematic way the predictions of the non-relativistic hypercentral Constituent Quark model for the electromagnetic excitations of baryon resonances. The longitudinal and transverse helicity amplitudes are calculated with no…

Nuclear Theory · Physics 2015-06-04 E. Santopinto , M. M. Giannini

We apply the eigenvectors from a variational analysis in lattice QCD to successfully extract the wave function of the Roper state, and a higher mass P_11 state of the nucleon. We use the 2+1 flavour 32^3x64 PACS-CS configurations at a near…

High Energy Physics - Lattice · Physics 2013-11-27 Dale S. Roberts , Waseem Kamleh , Derek B. Leinweber

The hypercentral Constituent Quark Model is presented and its application to the description of the electromagnetic properties of baryons is reviewed. The results concerning the elastic nucleon form factors and the electromagnetic…

Nuclear Theory · Physics 2015-06-22 M. M. Giannini , E. Santopinto

A parameter-free evaluation of the $N - P_{11}(1440)$ electromagnetic transition form factors is performed within a light-front constituent quark model, using for the first time the eigenfunctions of a mass operator which generates a large…

Nuclear Theory · Physics 2009-10-30 F. Cardarelli , E. Pace , G. Salme' , S. Simula

The results for the elastic nucleon form factors and the electromagnetic transition amplitudes to the Delta(1232) resonance, obtained with the Hypercentral Constituent Quark Model with the inclusion of a meson cloud correction are briefly…

Nuclear Theory · Physics 2008-11-26 D. Y. Chen , Y. B. Dong , M. M. Giannini , E. Santopinto

New results about the electromagnetic form factors of the nucleon are obtained with a semirelativistic version of the hypercentral constituent quark model (hCQM) and a relativistic current. The complex structure of the constituent quarks is…

Nuclear Theory · Physics 2015-07-21 M. De Sanctis , M. M. Giannini , E. Santopinto , A. Vassallo

This paper provides results for the spectra of triply charmed and bottom baryons based on a constituent quark model approach. We take advantage of the assumption that potential models are expected to describe triply heavy baryons to a…

High Energy Physics - Phenomenology · Physics 2015-07-15 J. Vijande , A. Valcarce , H. Garcilazo

The fully-heavy tetraquark states $QQ\bar{Q}\bar{Q}$ ($Q=c, b$) are systematically investigated by means of a nonrelativistic potential model. The model is based on the lattice QCD study of the two-body $Q\bar{Q}$ interaction, which…

High Energy Physics - Phenomenology · Physics 2021-04-20 Gang Yang , Jialun Ping , Lianyi He , Qing Wang

Some predictions of the Hypercentral Constituent Quark Model for the helicity amplitudes are discussed and compared with data and with the recent analysis of the Mainz group; the role of the pion cloud contribution in explaining the major…

Nuclear Theory · Physics 2015-07-01 M. M. Giannini

The unitary isobar model MAID has been extended and used for a partial wave analysis of pion photo- and electroproduction in the resonance region W < 2 GeV. Older data from the world data base and more recent experimental results from…

Nuclear Theory · Physics 2015-06-26 L. Tiator , D. Drechsel , S. Kamalov , M. M. Giannini , E. Santopinto , A. Vassallo

In view of the recent results of lattice QCD simulation in the P11 partial wave that has found no clear signal for the three-quark Roper state we investigate a different mechanism for the formation of the Roper resonance in a coupled…

High Energy Physics - Phenomenology · Physics 2018-03-14 B. Golli , H. Osmanović , S. Širca , A. Švarc

A previously introduced relativistic energy density functional, successfully applied to ordinary nuclei, is extended to hypernuclei. The density-dependent mean field and the spin-orbit potential are consistently calculated for a $\Lambda$…

Nuclear Theory · Physics 2008-11-26 P. Finelli , N. Kaiser , D. Vretenar , W. Weise
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