Institute of Information Science, Academia Sinica



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Glauber gluons in pion-induced Drell-Yan processes

  • LecturerDr. Chun-Peng Chang (National Tsinghua University)
    Host: Kai-Min Chung
  • Time2017-09-12 (Tue.) 14:00 – 16:00
  • LocationConference Room 727 at IIS new Building

We point out that in the particle collider, the existence of Glauber gluons can account for the violation of the anomalous lepton angular distribution, observed in pion-induced Drell-Yan processes. It is argued that the Glauber effect is significant in the pion due to its unique role of being a Nambu-Goldstone boson and a q-qbar bound state simultaneously. We propose to discriminate the above resolutions by measuring the p-pbar Drell-Yan process.