The Λ(1520) photoproduction from proton

2014 ◽  
Vol 29 ◽  
pp. 1460235 ◽  
Author(s):  
Jun He
Keyword(s):  
Experimental Data ◽  
Quark Model ◽  
Constituent Quark ◽  
Constituent Quark Model ◽  
Lagrangian Method ◽  
Nucleon Resonance ◽  
Proton Target ◽  
Nucleon Resonances ◽  
Effective Lagrangian

The Λ(1520) photoproduction from proton target is investigated within the effective Lagrangian method and well compared with the experimental data. The D13 state N(2120) plays the most important role among the nucleon resonances. Besides N(2120), a nucleon resonance [Formula: see text] predicted by the constituent quark model is found also important to reproduce the experimental data. Other nucleon resonances give negligible contributions in the channel considered in this work.

scholarly journals d∗(2380) Resonance in a Chiral SU(3) Constituent Quark Model

2018 ◽  
Vol 46 ◽  
pp. 1860034
Author(s):  
Yubing Dong ◽  
Pengnian Shen ◽  
Fei Huang ◽  
Zongye Zhang
Keyword(s):  
Experimental Data ◽  
Quark Model ◽  
Charge Distribution ◽  
Constituent Quark ◽  
Constituent Quark Model ◽  
Total Width ◽  
Compact Structure ◽  
Decay Modes ◽  
Decay Widths

Recent studies on the newly observed resonance [Formula: see text] with a compact structure in a chiral SU(3) constituent quark model are briefly reported. the overall properties, including the mass, the partial decay widths in various decay modes, and the total width, comparing with the experimental data, show that a compact hexaquark dominated structure might be a reasonable interpretation for this state. Moreover, the charge distribution of [Formula: see text] is also discussed.

scholarly journals RELATIVISTIC DESCRIPTION OF THE CHARMONIUM MASS SPECTRUM

2005 ◽  
Vol 20 (12) ◽  
pp. 875-880 ◽  
Author(s):  
D. EBERT ◽  
R. N. FAUSTOV ◽  
V. O. GALKIN
Keyword(s):  
Experimental Data ◽  
Mass Spectrum ◽  
Quark Model ◽  
Constituent Quark ◽  
Constituent Quark Model ◽  
Relativistic Treatment ◽  
Relativistic Description ◽  
Good Agreement

The charmonium mass spectrum is considered in the framework of the constituent quark model with the relativistic treatment of the c quark. The obtained masses are in good agreement with the existing experimental data including the mass of ηc(2S).

scholarly journals STRANGENESS PHYSICS WITH CLAS

2010 ◽  
Vol 19 (12) ◽  
pp. 2335-2342
Author(s):  
Volker D. Burkert
Keyword(s):  
Quark Model ◽  
Excited States ◽  
Constituent Quark ◽  
Constituent Quark Model ◽  
Future Prospects ◽  
Nucleon Resonances ◽  
The Future ◽  
Electromagnetic Probes

A brief overview of strangeness physics with the CLAS detector at JLab is given, mainly covering the domain of nucleon resonances. Several excited states predicted by the symmetric constituent quark model may have significant couplings to the KΛ or KΣ channels. We will discuss data that are relevant in the search for such states in the strangeness channel, and give an outlook on the future prospects of the N * program at JLab with electromagnetic probes.

scholarly journals Study of nucleon resonances in the photoproduction γp → K*+Λ

2014 ◽  
Vol 29 ◽  
pp. 1460245
Author(s):  
Sang-Ho Kim ◽  
Atsushi Hosaka ◽  
Hyun-Chul Kim
Keyword(s):  
Theoretical Analysis ◽  
Differential Cross Section ◽  
Vector Meson ◽  
Cross Section ◽  
Differential Cross ◽  
Lagrangian Method ◽  
Proton Target ◽  
Meson Photoproduction ◽  
Nucleon Resonances ◽  
Effective Lagrangian

The mechanism of K* vector meson photoproduction off the proton target, γp → K*+Λ, is deeply studied by using an effective Lagrangian method. Based on the (t,s,u)-channel Born diagrams, we included higher resonance terms, i.e., S11(2090) and G17(2190), along with the D13(2080) and D15(2200), which are already considered in a previous theoretical analysis. The total and differential cross section are computed and we obtain quite precise results in comparison with the recent CLAS data.

Constituent quark model study of exotic meson states

2014 ◽  
Vol 29 ◽  
pp. 1460227 ◽  
Author(s):  
Youchang Yang ◽  
Jialun Ping ◽  
Chengrong Deng ◽  
Meng Wan
Keyword(s):  
Experimental Data ◽  
Quark Model ◽  
Constituent Quark ◽  
Expansion Method ◽  
Constituent Quark Model ◽  
Babar Collaboration ◽  
Exotic Meson ◽  
Exotic States ◽  
Model Study ◽  
Meson States

Using high precision numerical method based on Gaussian expansion method for few-body systems, we studied the spectra of possible exotic meson states composed of [Formula: see text] (Q = c, b, and q = u, d, s) in non-relativistic constituent quark model. Some newly released experimental data by the BES, Belle, BaBar Collaboration can be interpreted in our calculation. Several possible exotic states are also predicted.

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