2007/09/30 by Koji Hashimoto, Chung-I Tan, S. TERASHIMA +1 · 3 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Glueball #Holography #Meson #Particle physics #Particle physics theoretical and experimental studies #Physics #Quantum Chromodynamics and Particle Interactions #Quantum chromodynamics #Quantum mechanics #Scalar (mathematics) #hep-ph #hep-th #nucl-th
paper · pdf · doi:10.1103/physrevd.77.086001
published as Phys.Rev.D77:086001,2008 · 28 pages, 5 figures, JHEP style, references added
arxiv created 2007/10/13 · openalex publication_date 2008/04/07 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Using holographic QCD based on D4-branes and D8-anti-D8-branes, we have computed couplings of glueballs to light mesons. We describe glueball decay by explicitly calculating its decay widths and branching ratios. Interestingly, while glueballs remain less well understood both theoretically and experimentally, our results are found to be consistent with the experimental data for the scalar glueball candidate f0(1500). More generally, holographic QCD predicts that decay of any glueball to 4\ensuremathπ0 is suppressed, and that mixing of the lightest glueball with qq mesons is small.