A phenomenological analysis of the scalar glueball and scalar meson spectra is carried out by using the AdS/QCD framework in the bottom-up approach. The resulting spectra are in good agreement for glueballs with lattice QCD results and for mesons with PDG data. We make use of the relation between the mode functions in AdS/QCD and the wave functions in Light-Front QCD to discuss the mixing of glueballs and mesons. The results of our investigation point out that above 2 GeV scalar particles will appear in almost degenerate pairs of unmixed glueball and mesons states leading to an interesting phenomenology whereby gluon dynamics could be well investigated.
机构:
Peking Univ, Sch Phys, Beijing 100871, Peoples R China
Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R ChinaPeking Univ, Sch Phys, Beijing 100871, Peoples R China
Liu, Tianbo
Ma, Bo-Qiang
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机构:
Peking Univ, Sch Phys, Beijing 100871, Peoples R China
Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
Collaborat Innovat Ctr Quantum Matter, Beijing, Peoples R China
Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R ChinaPeking Univ, Sch Phys, Beijing 100871, Peoples R China