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Lattice Q C D Studies of Pentaquarks and Exotics

Lattice Q C D Studies of Pentaquarks and Exotics. Anthony G. Williams Workshop on Computational Hadron Physics, Cyprus, September 14-17, 2005. Contents. Introduction Resonance Search in Lattice Q C D Search for Spin 1/2 Pentaquarks Search for Spin 3/2 Pentaquarks

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Lattice Q C D Studies of Pentaquarks and Exotics

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  1. Lattice QCD Studies of Pentaquarks and Exotics Anthony G. Williams Workshop on Computational Hadron Physics, Cyprus, September 14-17, 2005

  2. Contents • Introduction • Resonance Search in Lattice QCD • Search for Spin 1/2 Pentaquarks • Search for Spin 3/2 Pentaquarks • Search for the 1-+ Exotic Meson • Conclusions Computational Hadron Physics, Cyprus

  3. Intro to lattice QCD(cont) Computational Hadron Physics, Cyprus

  4. Computational Hadron Physics, Cyprus

  5. Intro to lattice QCD(cont) Computational Hadron Physics, Cyprus

  6. Intro to lattice QCD(cont) Computational Hadron Physics, Cyprus

  7. The Pentaquark Resonance Signature in Lattice QCD Computational Hadron Physics, Cyprus

  8. Introduction Computational Hadron Physics, Cyprus

  9. References to work reported here Computational Hadron Physics, Cyprus

  10. Lattice QCD Approach Computational Hadron Physics, Cyprus

  11. Computational Hadron Physics, Cyprus

  12. Standard lattice resonance signature Computational Hadron Physics, Cyprus

  13. Resonance signatures in Nucleon and Delta channels Computational Hadron Physics, Cyprus

  14. Pentaquark decay channels Computational Hadron Physics, Cyprus

  15. Spin-1/2 Pentaquark resonance results Computational Hadron Physics, Cyprus

  16. Spin-3/2 Pentaquark resonance results Computational Hadron Physics, Cyprus

  17. Pentaquark mass-splitting analysis Computational Hadron Physics, Cyprus

  18. 0(3/2)+ Pentaquark mass-splitting analysis Computational Hadron Physics, Cyprus

  19. 0(3/2)+ Pentaquark mass-splitting analysis Computational Hadron Physics, Cyprus

  20. Hybrid and exotic mesons from FLIC fermions Computational Hadron Physics, Cyprus

  21. Introduction Computational Hadron Physics, Cyprus

  22. Meson interpolating fields Computational Hadron Physics, Cyprus

  23. Other uses of hybrid-like interpolating fields Computational Hadron Physics, Cyprus

  24. Results for exotics Computational Hadron Physics, Cyprus

  25. FLIC fermions allow access to lower quark masses Computational Hadron Physics, Cyprus

  26. Mass-splitting analysis for the 1-+ meson state Computational Hadron Physics, Cyprus

  27. Conclusions Computational Hadron Physics, Cyprus

  28. End of Presentation Computational Hadron Physics, Cyprus

  29. Intro to lattice QCD Computational Hadron Physics, Cyprus

  30. Intro to lattice QCD(cont) Computational Hadron Physics, Cyprus

  31. Intro to lattice QCD (cont) Computational Hadron Physics, Cyprus

  32. Intro to lattice QCD (cont) Computational Hadron Physics, Cyprus

  33. How to cut and paste into TeXPoint Displays • Just use “copy” in whatever application you are in and then use “CTRL V” to paste into the TeXPoint Display window! • To cut from a TexPoint display and put into the clipboard, highlight the text to be cut and then type “CTRL X”. • To just cut without loading into clipboard, just highlight text and then use “backspace” or “delete”. Computational Hadron Physics, Cyprus

  34. TexPoint Color testing Computational Hadron Physics, Cyprus

  35. Next page title • Next page text • Here is an equation: Computational Hadron Physics, Cyprus

  36. Next page title Computational Hadron Physics, Cyprus

  37. Another sample slide • Another sample equation: Computational Hadron Physics, Cyprus

  38. Another color test slide • Testing: Computational Hadron Physics, Cyprus

  39. Scaling behavior of quark propagator in full QCD Computational Hadron Physics, Cyprus

  40. Computational Hadron Physics, Cyprus

  41. Extended BRST and the Landau gauge Computational Hadron Physics, Cyprus

  42. Computational Hadron Physics, Cyprus

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