Gongru Lu
Abstract
We study K*0(1430)→Kπ decay in QCD sum rule and Light-cone sum rule.The QCD sum rule cannot solve the problem.In Light-cone sum rule,when s0=3.3~3.5 GeV,we get gK*0(1430)-0π-=3.8±0.4 GeV,which agrees with experimental data gK*0(1430)-0π-=3.9±0.3 GeV.
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We study K*0(1430)→Kπ decay in QCD sum rule and Light-cone sum rule.The QCD sum rule cannot solve the problem.In Light-cone sum rule,when s0=3.3~3.5 GeV,we get gK*0(1430)-0π-=3.8±0.4 GeV,which agrees with experimental data gK*0(1430)-0π-=3.9±0.3 GeV.
Key concepts: Sum rule in quantum mechanics, Light cone, QCD sum rules, Quantum chromodynamics, Physics, Particle physics, Cone (formal languages), Rule-based system