scholarly journals The sigma meson from QCD sum rules for large- $$N_c$$ N c Regge spectra

2016 ◽  
Vol 76 (12) ◽  
Author(s):  
S. S. Afonin ◽  
T. D. Solomko
Keyword(s):  
Sum Rules ◽  
Qcd Sum Rules ◽  
Sigma Meson

scholarly journals The linear radial spectrum of scalar mesons from QCD sum rules in the planar limit

2018 ◽  
Vol 191 ◽  
pp. 04004 ◽  
Author(s):  
S.S. Afonin ◽  
T.D. Solomko
Keyword(s):  
Sum Rules ◽  
Scalar Particle ◽  
Qcd Sum Rules ◽  
Scalar Mesons ◽  
Regge Trajectories ◽  
Planar Limit ◽  
Light Scalar ◽  
Sigma Meson

We discuss calculations of large-Nc masses of light scalar mesons from the QCD sum rules. Two methods based on the use of linear radial Regge trajectories are presented. We point out the appearance of state near 0.5 GeV in the scalar isoscalar channel which emerges in both methods and presumably corresponds to the lightest scalar particle - the sigma-meson.

scholarly journals Sigma meson in QCD sum rules using a two-quark current with derivatives

2009 ◽  
Vol 79 (7) ◽  
Author(s):  
Su Houng Lee ◽  
Kenji Morita ◽  
Kazuaki Ohnishi
Keyword(s):  
Sum Rules ◽  
Qcd Sum Rules ◽  
Sigma Meson

scholarly journals Sigma meson in pole-dominated QCD sum rules

2008 ◽  
Vol 78 (11) ◽  
Author(s):  
Toru Kojo ◽  
Daisuke Jido
Keyword(s):  
Sum Rules ◽  
Qcd Sum Rules ◽  
Sigma Meson

scholarly journals QCD sum rules for parameters of the B -meson distribution amplitudes

2021 ◽  
Vol 104 (1) ◽  
Author(s):  
Muslem Rahimi ◽  
Marcel Wald
Keyword(s):  
B Meson ◽  
Sum Rules ◽  
Qcd Sum Rules

scholarly journals The field strength correlator from QCD sum rules

2000 ◽  
Vol 86 (1-3) ◽  
pp. 421-425 ◽  
Author(s):  
M. Eidemüller ◽  
H.G. Dosch ◽  
M. Jamin
Keyword(s):  
Field Strength ◽  
Sum Rules ◽  
Qcd Sum Rules

scholarly journals The Radiative Δ(1600) → γN Decay in the Light-Cone QCD Sum Rules

Universe ◽  
2021 ◽  
Vol 7 (8) ◽  
pp. 255
Author(s):  
Haifa I. Alrebdi ◽  
Thabit Barakat
Keyword(s):  
Decay Rate ◽  
Light Cone ◽  
Magnetic Dipole Moment ◽  
Sum Rules ◽  
Electric Quadrupole ◽  
The Other ◽  
Electric Quadrupole Moment ◽  
Multipole Moments ◽  
Qcd Sum Rules ◽  
Strongly Agree

Within the framework of the light-cone QCD sum rules method (LCSR’s), the radiative Δ(1600)→γN decay is studied. In particular, the magnetic dipole moment GM1(0) and the electric quadrupole moment GE1(0) are estimated. We also calculate the ratio REM=−GE1(0)GM1(0) and the decay rate. The predicted multipole moments and the decay rate strongly agree with the existing experimental results as well as with the other available phenomenological approaches.

pentaquarks in QCD sum rules

2010 ◽  
Vol 835 (1-4) ◽  
pp. 342-345
Author(s):  
Philipp Gubler ◽  
Daisuke Jido ◽  
Toru Kojo ◽  
Tetsuo Nishikawa ◽  
Makoto Oka
Keyword(s):  
Sum Rules ◽  
Qcd Sum Rules
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