Analysis of excited quark propagator effects on neutron charge form factor X. Y. Liu, A. Limphirat, K. Xu, D. Samart, K. Khosonthongkee and Y. Yan Eur. Phys. J. A, 55 11 (2019) 218 Published online: 20 November 2019 DOI: 10.1140/epja/i2019-12913-1