We present a comprehensive study on the individual sources of an inclusive photon production during high-energy hadronic collisions.The cross section and invariant yields of inclusive photons are obtained as a functio...We present a comprehensive study on the individual sources of an inclusive photon production during high-energy hadronic collisions.The cross section and invariant yields of inclusive photons are obtained as a function of pT at mid-rapidity(|y|<0.5)in p+p and Au+Au collisions at√SNN=200GeVrespectively.These results provide crucial inputs to separate measurements of open bottom and charm hadron yield suppression in heavyion collisions,which are used to test the mass hierarchy of the parton energy loss in the quark gluon plasma created during these collisions.The procedure developed in this study can also be applied to other measurements of electrons from an open heavy-flavor hadron decay,such as the collective flow in the RHIC beam energy scan program.展开更多
基金This work was supported by National Key Research and Development Program of China(Nos.2018YFE0205200,2018YFE0104700,and 2020YFE0202002)National Natural Science Foundation of China(No.11890712)+2 种基金Natural Science Foundation of Anhui Province(No.1808085J02)Fundamental Research Funds for the Central Universities(No.WK2030000013)the Project funded by the China Postdoctoral Science Foundation(No.2019M652177).
文摘We present a comprehensive study on the individual sources of an inclusive photon production during high-energy hadronic collisions.The cross section and invariant yields of inclusive photons are obtained as a function of pT at mid-rapidity(|y|<0.5)in p+p and Au+Au collisions at√SNN=200GeVrespectively.These results provide crucial inputs to separate measurements of open bottom and charm hadron yield suppression in heavyion collisions,which are used to test the mass hierarchy of the parton energy loss in the quark gluon plasma created during these collisions.The procedure developed in this study can also be applied to other measurements of electrons from an open heavy-flavor hadron decay,such as the collective flow in the RHIC beam energy scan program.
