1. Measurement of B (D +   + ) Sadia Khalil & Sheldon Stone Syracuse University 12/07/2007

2. Number of Tags(707 pb -1 ) ModeM bc cutsSignalBackground K +  -  - 1.8655<M bc <1.8747186,9433,812 K+ - - 0K+ - - 0 1.8644<M bc <1.875459,57426,219 K s  - 1.8658<M bc <1.874722,9631,119 K s  -  -  + 1.8656<M bc <1.873249,34618,648 K s  -  0 1.8650<M bc <1.87526,83910,551 K + K -  - 1.8657<M bc <1.874813,43116,124 Total342,16562,913 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

3. 103 MM 2 Plot

4. MM 2 of  + (Data) Case1  +  +,  + →  + + 0+ 0 K0 +K0 +  +  0,  0  +, (  +,  + →  + ) & (  +,  + →  + )

5. MM 2 of  + and  + (Data) Case1  +  +,  + →  + + 0+ 0 K0 +K0 +  +  0,  0  +, (  +,  + →  + ) & (  +,  + →  + )

6. MM 2 of  + (Data) Case2  +  +,  + →  + + 0+ 0 K0 +K0 +  +  0,  0  +, (  +,  + →  + ) & (  +,  + →  + )

7. MM 2 of  + (Data) Case2  +  +,  + →  + + 0+ 0 K0 +K0 +  +  0,  0  +, (  +,  + →  + ) & (  +,  + →  + )

8. BackGround Studies  E Side bands (Data) Cont SkimMC Radret SkimMC DDbar SkimMC

9. - 0.05<MM 2 <0.05 Side BandsSignal Region Cont0.84 ± 0.400.76 ± 0.38 D0D0D0D0 0.63 ± 0.330.17 ± 0.17 OtherD + D - 0.00 ± 0.000.51 ± 0.30 Radret0.00 ± 0.00 Data0.00 ± 0.00 Backgrounds from MM 2 for D + →  +

10. Case1 (E cc <300MeV) 0.05<MM 2 <0.175 Case2 (E cc >300MeV) -0.05<MM 2 <0.175 Side BandsSignal RegionSide BandsSignal Region Cont4.48 ± 0.921.34 ± 0.506.37 ± 1.101.72 ± 0.57 D0D0D0D0 1.17 ± 0.451.03 ± 0.420.17 ± 0.170.00 ± 0.00 OtherD + D - 0.00 ± 0.00 Radret0.00 ± 0.00 0.20 ± 0.20 Data6.60 ± 2.574.71 ± 2.17 Backgrounds from MM 2 for D + →  +

11. 8.04 events 7.69 events (Data) MM 2 Plots

12. (Cont31-44) MM 2 Plots from Side Bands 36.9 Events 37.3 Events

13. Cont (31-44) (within Signal  E and M bc ) 19 Events 15 Events

14. Radret MM 2 Plots from Side Bands (Scaled to bgd under the D peak) 0 Events 1.5 Events

15. 0 Events 1 Events Radret GenMC (within Signal  E and M bc )

16. 12 Events D 0 D 0 (20xL 44 +30xL 31 = 4.1 fb -1 ) MM 2 Plots from Side Bands (Scaled to Bgd under the D peak) 1 Event

17. D 0 D 0 SkimMC (within Signal  E and M bc ) 10 Events 0 Events

18. 1 Events MM 2 Plots from Side Bands (Scaled to Bgd under the D peak) OtherD + = One side is Tag mode and the ‘otherside’ decays to D+ which is not a signal and any of the known backgrounds

19. 4 Events D + D - SkimMC (within Signal  E and M bc ) 0 Events

20. Case1Case2 Side BandsSignal RegionSide BandsSignal Region Cont7.05 ± 1.163.63 ± 0.837.12 ± 1.172.86 ± 0.74 D0D0D0D0 2.05 ± 0.591.71 ± 0.540.17 ± 0.170.00 OtherD + D - 0.17 ± 0.170.68 ± 0.240.00 Radret0.00 0.20 ± 0.210.10 ± 0.10 Data8.04 ± 2.837.96 ± 2.82 Backgrounds from MM 2 within -0.1<MM 2 <0.2

21. (Cont31-44)