Quark Structure of Mesons

2021 ◽  
pp. 113-129
Author(s):  
Fumihiko Suekane
Keyword(s):  
Quark Structure

On the constituent quark structure

1995 ◽  
Author(s):  
Adam Szczepaniak ◽  
Chueng-Ryong Ji ◽  
Stephen R. Cotanch
Keyword(s):  
Constituent Quark ◽  
Quark Structure

scholarly journals PION QUARK STRUCTURE IN QCD

2007 ◽  
Vol 22 (02n03) ◽  
pp. 654-658 ◽  
Author(s):  
A. P. BAKULEV ◽  
A. V. PIMIKOV
Keyword(s):  
High Precision ◽  
Present Status ◽  
Sum Rules ◽  
Distribution Amplitude ◽  
Qcd Sum Rules ◽  
Second Moment ◽  
Lattice Calculations ◽  
Quark Structure ◽  
Qcd Analysis

We describe the present status of the pion distribution amplitude as it originated from two sources: (i) a nonperturbative approach, based on QCD sum rules with nonlocal condensates and (ii) a NLO QCD analysis of the CLEO data on Fγγ*π(Q2), supplemented by the recent high-precision lattice calculations of the second moment of the pion distribution amplitude.

Study of Quark Structure Functions

1977 ◽  
Vol 39 (22) ◽  
pp. 1388-1391 ◽  
Author(s):  
F. T. Dao ◽  
E. Flaminio ◽  
Kwan-Wu Lai ◽  
W. Metcalf ◽  
Ling-Lie Wang
Keyword(s):  
Structure Functions ◽  
Quark Structure

CONFINEMENT AND QUARK STRUCTURE OF LIGHT HADRONS

1989 ◽  
Vol 04 (08) ◽  
pp. 2031-2060 ◽  
Author(s):  
G. V. EFIMOV ◽  
M. A. IVANOV
Keyword(s):  
Weak Interactions ◽  
Point Of View ◽  
Low Energy ◽  
Unique Point ◽  
Quark Confinement ◽  
Quark Structure ◽  
Energy Physics ◽  
Confinement Model

We present a quark confinement model (QCM) for the description of the low energy physics of light hadrons (meson and baryons). The model is based on two hypotheses. First, the quark confinement is realized as averaging over some vacuum gluon fields which are believed to provide the confinement of any color objects. Second, hadrons are treated as collective colorless excitations of quark-gluon interactions. The description of strong, electromagnetic and weak interactions of mesons and baryons at the low energy is given from a unique point of view.

Strange Quark Structure Function in the Nucleon

2011 ◽  
Vol 61 (3) ◽  
pp. 256
Author(s):  
Sun Myong Kim ◽  
Byung Koo Son
Keyword(s):  
Structure Function ◽  
Strange Quark ◽  
Quark Structure

scholarly journals Pion assisted dibaryons: the d*(2380) resonance

2019 ◽  
Vol 199 ◽  
pp. 02018
Author(s):  
Avraham Gal
Keyword(s):  
Hadronic Structure ◽  
Small Width ◽  
Quark Structure ◽  
Hadronic Model

The structure and width of the recently established d*(2380) resonance are discussed, confronting the consequences of a Pion Assisted Dibaryons hadronic model with those of quark motivated calculations. In particular, the small width $\Gamma_{d\ast}\approx70$ MeV favors hadronic structure for the d*(2380) dibaryon rather than a six-quark structure.

scholarly journals EFFECT DUE TO COMPOSITENESS OF NUCLEONS IN DEEP INELASTIC LEPTON NUCLEUS SCATTERING

1992 ◽  
Vol 01 (04) ◽  
pp. 809-821 ◽  
Author(s):  
BO-QIANG MA
Keyword(s):  
Structure Function ◽  
Nuclear Structure ◽  
Light Cone ◽  
Degrees Of Freedom ◽  
Structure Functions ◽  
Nucleon Structure ◽  
Nucleon Structure Function ◽  
Nucleus Scattering ◽  
Quark Structure ◽  
Nuclear Structure Functions

The off-shell behaviors of bound nucleons in deep inelastic lepton nucleus scattering are discussed in two scenarios with the basic constituents chosen to be baryon-mesons and quark-gluons respectively in light-cone formalism. It is found that when taking into account the effect due to internal quark structure of nucleons, the derived scaling variable for bound nucleons and the calculated nuclear structure functions are different from those in considering the baryon-mesons as the effective elementary constituents. This implies that the pure baryon-meson descriptions of nuclei give the inaccurate off-shell behavior of the bound nucleon structure function, thereby the quark-gluons seem to be the most appropriate degrees of freedom for nuclear descriptions.

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