The Physics Society of Iran Iranian Journal of Physics Research 1682-6957 2 1 2020 02 02 Pseudoscalar versus vector meson production in heavy quark fragmentation Pseudoscalar versus vector meson production in heavy quark fragmentation 57 64 1523 FA M. A. Gomshi Nobary Journal Article 2020 02 02 https://ijpr.iut.ac.ir/article_1523_df12ecd077efc8c23881028604dbb8cc.pdf