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Measurement of B (D +   + ) and B ( D +   + )

Measurement of B (D +   + ) and B ( D +   + ). Sadia Khalil & Sheldon Stone Syracuse University. Method. Look for D - D +   +   K +  -  -

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Measurement of B (D +   + ) and B ( D +   + )

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  1. Measurement of B(D+ +) and B(D+ +) Sadia Khalil & Sheldon Stone Syracuse University

  2. Method Look for D-D+ +  K+- - K+- - 0 Ks - Ks- - + Ks- 0 K+ K-- Signal Tags

  3. BackGround Studies • E Side bands (Data) • Cont GenMC • Radret GenMC

  4. E Side bands(Data@600pb-1)

  5. E Sidebands Data31-44

  6. D+  Ks+ D+  K- ++ D+  K- ++ 0 D+  Ks+0 D+  Ks++ + D+  K- K++ Mbc distributions Data31-44(log scale)

  7. Rescaling (data)

  8. MM2 plots corresponding to E sidebands of the Tag modes after rescaling. Case1 Case2

  9. 15 events 6 events MM2 Plots

  10. Cont GenMC (5xL)

  11. Mbc distributions Cont31-44

  12. 19 Events 60 Events Cont GenMC (within Signal E and Mbc)

  13. E Sidebands Cont31-44

  14. Rescaling of sidebands to the signal region (Cont MC)

  15. MM2 plots corresponding to E sidebands of the Tag modes after rescaling. Case2 Case1

  16. 33 Events 50 Events MM2 Plots from Side Bands

  17. Radiation Return MC (5xL)

  18. 0 Events 1 Events Radret GenMC (within Signal E and Mbc)

  19. Rescaling of sidebands to the signal region (radret)

  20. MM2 Plots from Side Bands (Scaled) 0 Events 2.5 Events

  21. Backup plots

  22. MM2 plots corresponding to E sidebands of the Tag modes (data). Case1 Case2

  23. MM2 plots corresponding to E sidebands of the Tag modes (Cont MC). Case2 Case1

  24. 16897 14088 26040

  25. Number of Tags(599 pb-1) After a correction of 1.5±0.64 % based on the fact it is easier to find tags in +  events than in generic decays, the total # of tags is 347297±677±2223

  26. MM2 of + (Data)

  27. MM2 of D+→ + , +→ +  (Data) Case1

  28. MM2 of D+→ + , +→ +  (Data) Case2

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