Study of coherence and mixedness in meson and neutrino systems Khushboo Dixit, Javid Naikoo, Subhashish Banerjee and Ashutosh Kumar Alok Eur. Phys. J. C, 79 2 (2019) 96 Published online: 31 January 2019 DOI: 10.1140/epjc/s10052-019-6609-7