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Quark model

Hypercentral Constituent Quark Model and Isospin for the Baryon Static Properties

Hypercentral Constituent Quark Model and Isospin for the Baryon Static Properties

... the quark model. The main ingredient of this model is the interquark potential, which contains a spin-independent and spin dependent terms characterized by the presence of a long range part giving ...

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Hadronic contributions to the muon anomaly in the Constituent Chiral Quark Model

Hadronic contributions to the muon anomaly in the Constituent Chiral Quark Model

... reference model which we propose is based on the Constituent Chiral Quark Model (CχQM) ...This model emerged as an attempt to reconcile the successes of phe- nomenological quark models, ...

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The Spectrum and Decays of Scalar Mesons in the Light-Front Quark Model

The Spectrum and Decays of Scalar Mesons in the Light-Front Quark Model

... while those of the f 0 (1500) were out of phase. The solutions here show the exact opposite behavior. This is due to the fact that the unmixed masses given by the quark model are significantly lower than ...

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Understanding d*(2380) in a chiral quark model

Understanding d*(2380) in a chiral quark model

... The structure and decay properties of d ∗ (2380) have been detailedly investigated in both the chiral SU(3) quark model and the extended chiral SU(3) quark model. It is found that the d ∗ ...

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A New Quantum Number Triangular Array That Defines the Internal Organization of Valence Quarks, the Hadron Quark Model, and the CKM Matrix

A New Quantum Number Triangular Array That Defines the Internal Organization of Valence Quarks, the Hadron Quark Model, and the CKM Matrix

... The quark model has been a great success of the Standard Model (SM) and particle physics ...The quark model underlies the Eightfold ...valence quark at each corner of a single ...

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Poincaré-invariant constituent quark model for light mesons: capabilities and constraints

Poincaré-invariant constituent quark model for light mesons: capabilities and constraints

... The purpose of this paper is to present a version of relativistic composite quark model developed by the authors (see, e.g.,[1]) for the study of composite systems of light quarks.The investigation of elec- ...

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Neutron star structure from a quark-model baryon-baryon interaction

Neutron star structure from a quark-model baryon-baryon interaction

... We derive the equation of state (EOS) of nuclear matter from a realistic constituent quark model for the nucleon-nucleon interaction. We use the Brueckner-Bethe-Goldstone approach with the inclusion of the ...

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Quark model description of baryon properties

Quark model description of baryon properties

... covariant quark model for mesons and baryons, which allows for the calculation of (momentum dependent) hadronic form factors and coupling vertices in the relevant photon and hadron induced reactions and ...

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Heavy mesons in the Quark Model

Heavy mesons in the Quark Model

... the quark model was very successful in describing the spectrum and properties of heavy mesons including only q¯ q ...naive quark model have been dis- covered, and they made unavoidable to ...

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nd Scattering Observables Predicted by the Quark-Model Baryon-Baryon Interaction

nd Scattering Observables Predicted by the Quark-Model Baryon-Baryon Interaction

... which seem to be related to the different off-shell prop- erties possessed by the quark-model baryon-baryon inter- action. These include: 1) a large triton binding energy, 2) reproduction of the doublet ...

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Decay in Covariant Quark Model

Decay in Covariant Quark Model

... confined quark model with built-in infrared confinement for compu- tation of required transition form factors in the whole physical range of mo- mentum ...

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Poincaré-covariant quark model of electroweak light mesons decays

Poincaré-covariant quark model of electroweak light mesons decays

... of model parameters obtaining, section 2 demonstrates the procedure of integral representations calcu- lation for V (P) → P(V)γ ∗ decay constant in PiQM with the followed obtaining the numerical estimation of ...

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Regular and Hybrid Mesons in a Non-RelativisticConstituent Quark Model.

Regular and Hybrid Mesons in a Non-RelativisticConstituent Quark Model.

... Besides having the previously stated parameters in the model, there are two other parameters that can vary. The rst is the variational parameter in the trial wave-functions. We can expect due to the Variational ...

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Strong magnetic fields in a nonlocal Polyakov chiral quark model

Strong magnetic fields in a nonlocal Polyakov chiral quark model

... chiral quark conden- sates should behave as increasing functions of B, which is usually known as “magnetic ...realistic quark masses [7, 8] show that light quark-antiquark condensates behave as ...

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A Dual Quark Model with Spin

A Dual Quark Model with Spin

... l 9 Although this amplitude does have definite diseases to be discussed in the next chapter we shall assume that it is a reasonable way to calculate our quark diagrams in the limit that[r] ...

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Charming quasi-exotic open-flavor mesons

Charming quasi-exotic open-flavor mesons

... The quark orbital-angular momentum l may then be determined by projecting the bound state’s BSA onto eigenstates of the Pauli-Lubanski operator and evaluating their contributions to the canonical norm of the BSA ...

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Quark models for mesons

Quark models for mesons

... naive quark model and chiral quark model has much higher mass, 2422 MeV in the naive quark model and 2387 MeV in the chiral quark ...

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Charmonium spectroscopy on dynamical anisotropic lattices

Charmonium spectroscopy on dynamical anisotropic lattices

... For the exotic channel, 1 −+ , we have used both the staple and chromomagnetic field operator since we know that the staple operator has a large overlap with the first excited gluonic state in the static q ¯ q system ...

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Meson Spectroscopy in the Light Quark Sector

Meson Spectroscopy in the Light Quark Sector

... or σ, is the field that in the non-linear σ model breaks chiral symmetry giving mass to the goldstone bosons of QCD. The scalar sector presents however some of the most intriguing puzzles because, even if several ...

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Spectroscopy of higher bottomonia

Spectroscopy of higher bottomonia

... In this contribution, we discussed the results of an UQM calculation of the bottomonium spectrum with self-energy corrections [7]. In the UQM [1–7], the e ff ects of q q ¯ sea pairs are introduced explicitly into the ...

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