119 citations · 1.2k across the 87 of their papers we have counts for
71 papers · 1 filter
Hidden bottom pentaquark in the SU(5) version of the flavor-spin model
Fl. Stancu
We generalize to five distinct flavors the flavor-spin hyperfine interaction introduced previously for four flavors and used in the study of pentaquark. As a par…
Relations between strong decay widths of the pentaquarks in the SU(4) flavor-spin model
Fl. Stancu
In a previous work we have studied the isospin 1/2 lowest positive and negative parity states of the pentaquark , in a constituent quark model with a linear confi…
Exploring the spectrum of the hidden charm strange pentaquark in an SU(4) flavor-spin model
Fl. Stancu
We study the spectrum of the isoscalar pentaquark , of either positive or negative parity, in a constituent quark model with linear confinement and a flavor-spin…
Spectrum of the hidden charm pentaquark with an SU(4) flavor-spin hyperfine interaction
Fl. Stancu
We study a few of the lowest states of the pentaquark , of positive and negative parity, in a constituent quark model with an SU(4) flavor-spin hyperfine interact…
Excited hyperons of the band in the expansion
Fl. Stancu
The spectrum of excited baryons in the = 2 band is reanalys9 pagesed in the expansion method, with emphasis on hyperons. Predictions are made for the classification of…
Stability of pentaquarks with a two- plus three-body chromoelectric interaction
Fl. Stancu
We study the stability of pentaquarks within a schematic model based on SU(3) color symmetry, by taking into account algebraic arguments leading to a chromoelectric interaction con…
SU(3) flavor symmetry breaking in large excited hyperons
Fl. Stancu
The expansion method for studying the mass spectrum of excited baryons is shortly reviewed together with applications to mixed symmetric states. The mu…
Updated expansion analysis of and baryon multiplets
N. Matagne, Fl. Stancu
The mass spectra of the and multiplets, both belonging to the = 2 band, is reviewed in the expansion method. Previous studies, sep…
X(5568) as a tetraquark in a simple quark model
Fl. Stancu
The -wave eigenstates of tetraquarks of type with J = 0, 1 and 2 are studied within a simple quark model with chromomagnetic interact…
SU(3) Clebsch-Gordan coefficients at large
Fl. Stancu
It is argued that several papers where SU(3) Clebsch-Gordan coefficients were calculated in order to describe properties of hadronic systems are, up to a phase convention, particul…
Baryon resonances in large QCD
N. Matagne, Fl. Stancu
We review the current status and present open challenges of large QCD baryon spectroscopy. After introducing the expansion method we first shortly revisit the latest…
baryons in large QCD revisited: The effect on Regge trajectories
N. Matagne, Fl. Stancu
A simple procedure within the expansion method where all the quarks are treated on the same footing has been found successful in describing mixed symmetric negative p…
Highly excited states of baryons in large QCD
N. Matagne, Fl. Stancu
The masses of highly excited negative parity baryons belonging to the = 3 band are calculated in the expansion method of QCD. We use a procedure which allows to write t…
Negative parity baryons in the expansion: the three towers of states revisited
N. Matagne, Fl. Stancu
We discuss the compatibility between the quark-shell picture and the meson-nucleon scattering picture in large QCD for mixed symmetric = 1 states previously analyzed b…
Highly excited negative parity baryons in the expansion
N. Matagne, Fl. Stancu
The masses of experimentally known highly excited baryons of negative parity supposed to belong to the multiplets ( = 1,2,3) of the band are calcu…
Negative parity nonstrange baryons in large QCD: quark excitation versus meson-nucleon scattering
N. Matagne, Fl. Stancu
We show that the two complementary pictures of large baryons - the single-quark orbital excitation about a symmetric core and the meson-nucleon resonance -- are compatible fo…
Negative parity baryons in the expansion: the quark excitation versus the meson-nucleon resonance picture
N. Matagne, Fl. Stancu
In order to better understand the fundamental issue regarding the compatibility between the quark-shell picture and that of resonances in meson-nucleon scattering in large QC…
SU(6) baryon multiplet in the expansion
N. Matagne, Fl. Stancu
The masses of excited states of mixed orbital symmetry of nonstrange and strange baryons belonging to the lowest multiplet are calculated in the expansion…
Mixed symmetric baryon multiplets in large QCD: two and three flavours
N. Matagne, Fl. Stancu
We propose a new method to study mixed symmetric multiplets of baryons in the context of the expansion approach. The simplicity of the method allows to better understand th…
New look at the nonstrange and strange baryons in the expansion
N. Matagne, Fl. Stancu
The masses of excited nonstrange and strange baryons belonging to the multiplet are calculated in the expansion to order with a new method which al…
Group theoretical study of nonstrange and strange mixed symmetric baryon states in the expansion
N. Matagne, Fl. Stancu
Using group theory arguments we extend and complete our previous work by deriving all SU(6) exact wave functions associated to the spectrum of mixed symmetric baryon states $[N_c-1…
Lowest negative parity baryons in the expansion
N. Matagne, Fl. Stancu
We review a recently proposed approach to study the lowest negative parity baryons within the expansion. The method is based on the derivation of the matrix elements of SU(…
Can Y(4140) be a tetraquark ?
Fl. Stancu
In this exploratory study the spectrum of tetraquarks of type is calculated within a simple quark model with chromomagnetic interaction and effective quark mass…
Comparative analysis of large Nc QCD and quark model approaches to baryons
F. Buisseret, C. Semay, Fl. Stancu +1
We show that a remarkable compatibility exists between the results of a potential model with constituent quarks and the 1/Nc expansion mass formula for strange and nonstrange baryo…