Does Prompt Gamma-Ray Burst Fireball Composition Impact on Afterglow Emission? Case Study for Long GRBs 080916C/090902B and Short GRBs 090510/130603B. - Gan, Yu; Xiong, Ren-Jie; Wang, Zi-Qi; Yan, Qi-Yu; Chen, Liang-Jun; Huang, Xiao-Li (Astrophysical Journal, 2026)