Direct virtual photon in AuAu at 54.4 GeV detail

Updated on Tue, 2025-06-03 21:38. Originally created by xianwenbao on 2025-06-03 21:32.

You can find the direct virtual photon extraction detail in the attachment (Including different centrality classes and different pT range)
Detail include two-component fit result and ratio of dielectron signal/ sum of cocktail and ratio of dielectron signal/ 2 component fitting result.