Two-photon decays of
from lattice QCD
Ting Chen, Ying Chen, Ming Gong, Yu-Hong Lei, Ning Li, Chuan Liu, Yu-Bin Liu, Zhaofeng Liu, Jian-Ping Ma, Wei-Feng Qiu, Zhan-Lin Wang, Jian-Bo Zhang and CLQCD Collaboration
Eur. Phys. J. C, 76 7 (2016) 358
DOI: https://doi.org/10.1140/epjc/s10052-016-4212-8