Feynman propagator for a particle with arbitrary spin Huang Shi-Zhong, Zhang Peng-Fei, Ruan Tu-Nan, Zhu Yu-Can and Zheng Zhi-Peng Eur. Phys. J. C, 42 3 (2005) 375-389 Published online: 15 August 2005 DOI: 10.1140/epjc/s2005-02299-4