1. Photoproduction of Neutral Kaons on Liquid Deuterium Target Kabi Bantawa and D. M. Manley Kent State University
ץ + n  K0 +Λ
With decays:
K0  π0 + π0
Λ  π0 + n
π0  ץ + ץ
Net reaction:
ץ + n  6ץ + n

2. Flow Chart of Analysis:

3. Kinematic Fit and Confidence Level:
KF is a least-square Fit
CL = 1-(INT f(א) dx2

4. Detector Efficiency Using the MC Acceptance Values:

5. Detector Efficiency for a Background Reaction

6. Invariant Mass of 2ץ from all 6-Cluster Events
(Possible Combination of 6ץ to yield a π0 )
ץ+ ץ = π0

7. Invariant Mass of 4 Photons
4 photons from
decay of KS
using a
25% CL in the
Kinematic fit.

8. Z-Vertex from Kinematic Fit

9. Distance Travelled by K0 and Λ
Cτ = cm
Cτ = cm

10. Tagging Efficiency of Glasgow Tagger

11. Photon Flux Variation with Eץ

12. Total Cross Section of the Background K0Σ+ Channel

13. Comparison Total Cross Section K0Σ+

14. Subtraction Ratios = Length of Prompt Window / Length of Random Widow
Random Window
Random Window
Poly fit
Poly. fit

15. Random / Prompt Subtraction

16. Background Subtraction

17. Time-of-Flight of TAPS vs. CB Energy

18. Variation of the Invariant Mass Squared with Momentum

19. Variation of Beta with Momentum