1 / 29

Dileptons and Photons at Collider Energies

Dileptons and Photons at Collider Energies. K. Dusling , C.H. Lee and I . Zahed. QM14. Outline. Set up Rates, Evolution Experiments. Formally. acceptance. evolution. rate. time. Rates: Hadrons. Equilibrium averaging. l +. l +. l -. l -. Resonance Gas. + …. 1,2,3, …-Pi,.

dava
Download Presentation

Dileptons and Photons at Collider Energies

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Dileptons and Photons at Collider Energies K. Dusling, C.H. Lee and I. Zahed. QM14

  2. Outline • Set up • Rates, • Evolution • Experiments

  3. Formally acceptance evolution rate time

  4. Rates: Hadrons

  5. Equilibrium averaging l+ l+ l- l-

  6. Resonance Gas + … 1,2,3, …-Pi, 1,2,3-N + … Chiral Reduction

  7. Vector-Axial Mixing: κ κ Chiral Limit and zero-mtm pion:

  8. VA-Mixing explicitly Dey, Eletsky, Ioffe 96

  9. Rates

  10. Electric Conductivity:

  11. Flavour Susceptibility:

  12. Rates: sQGP

  13. sQGP: l+ l+ l- l- Hansson and Zahed 91’

  14. sQGP Rates

  15. Evolution

  16. Sample hydro evolution Faster cooling x higher rates: same

  17. V2 Flow @ 2.76 TeV

  18. Dileptons: NA60, Phenix, Star

  19. NA60 : dN/dη=140 95’

  20. PHENIX: 07’ Only!

  21. Beam Energy Scan: STAR 13’

  22. Photons: WA90, PHENIX

  23. WA98 0<qT (GeV) <4 0<qT (GeV)<0.8

  24. PHENIX RHIC1 RHIC2

  25. V2 PHENIX

  26. Achievements • EM “OK”* • LxR “restored” • QGP “visible” • V2 “low” (* π<<ρ)

  27. Na45: 95’ Phenix: 07’ Na60:03’ Star: 13’

  28. Vector Spectral Function

  29. PHENIX extrapolation: γ PHENIX: M<<qv 1 15% Systematics!

More Related