Factorization for radiative heavy quarkonium decays into scalar Glueball
作者： Ruilin Zhu , Ruilin Zhu
关键词:
摘要: We establish the factorization formula for scalar Glueball production through radiative decays of vector states heavy quarkonia, e.g. J/psi, psi(2S) and Upsilon(nS), where mass is much less than parent quarkonium mass. The demonstrated explicitly at one-loop level next-to-leading order (NLO) corrections to hard kernel, non-relativistic QCD (NRQCD) long-distance matrix elements (LDMEs) quarkonium, light-cone distribution amplitude (LCDA) Glueball. provides a comprehensive theoretical approach investigate in quarkonia determine physic nature discuss scale evolution equation LCDA In end, we extract value decay constant Scalar from Lattice calculation analyze mixing effect among f(0)(1370), f(0)(1500) f(0)(1710).
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arxiv.org 参考文章(66)
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