Study of coherence and mixedness in meson and neutrino systemsKhushboo Dixit, Javid Naikoo, Subhashish Banerjee and Ashutosh Kumar AlokEur. Phys. J. C, 79 2 (2019) 96DOI: https://doi.org/10.1140/epjc/s10052-019-6609-7