粲偶素辐射衰变中的胶球
高能物理 - 格点
2014-02-18 v1
摘要
在淬火格点QCD中研究了J/ψ辐射衰变中产生的标量胶球和张量胶球。利用两个各向异性晶格逼近连续极限,我们计算了决定J/ψ→γ G_{0^{++}}和J/ψ→γ G_{2^{++}}衰变率的相关形状因子。与现有实验数据比较后认为,f_0(1710)是标量胶球的有利候选者。研究发现J/ψ→γ G_{2^{++}}的衰变率相当可观,因此建议在BESIII上对张量道进行全面的实验搜寻。
引用
@article{arxiv.1402.3923,
title = {Glueballs in charmonia radiative decays},
author = {Ying Chen and Long-Cheng Gui and Gang Li and Chuan Liu and Yu-Bin Liu and Jian-Ping Ma and Yi-Bo Yang and Jian-Bo Zhang},
journal= {arXiv preprint arXiv:1402.3923},
year = {2014}
}
备注
Presented at the 31st International Symposium on Lattice Field Theory (Lattice 2013), 29 July - 3 August 2013, Mainz, Germany, 7 pages, 2 figures