1. Results of HyCal Analyses
Liyang Jiang
UNCW/CIAE

2. Performance of HyCal Energy Dependent Position Dependent
Energy Reconstruction
Position Reconstruction
Position Dependent

3. Energy Dependent Energy Reconstruction Position Reconstruction
Linearity
Resolution
Position Reconstruction

4. Energy Reconstruction
Energy is reconstructed with 5X5 cluster
Raw Data: two deep statistics runs.
PWO-4280,
Glass-4279

5. Fitting Function Partial Gaussian Landau*Gaussian
Fit the peak with single Gaussian function in the range (-2σ,1σ) from the Maximum
Landau*Gaussian
Fit with Landau Gaussian convolution function
A: Normalization Coefficient
P: Position of Maximum
W: Width of Landau function
σ: Sigma of Gaussian function

6. Partial Gaussian Fit (-2/+1 sigma)
5.47 GeV
4.43 GeV
2.35 GeV
1.16 GeV

7. FWHM method fitting histograms
5.47 GeV
4.43 GeV
2.35 GeV
1.16 GeV

8. Energy Linearity (PWO)

9. Energy Resolution (Partial Gaus)

10. Energy Resolution (FWHM)

11. Comparison of two methods

12. Fitting Histogram (Glass)

13. Energy Linearity (Glass)

14. Energy Resolution (Glass)

15. Position Resolution vs. E
Position reconstructed with Logarithm method.
Beam profile subtraction
Fit the histograms with Beam-profile*Gaussian Function

16. Beam Profile

17. Fitted Histograms (PWO)
1.2 GeV
2.4 GeV
Δx (cm)
Δx (cm)
4.2 GeV
5.5 GeV
Δx (cm)
Δx (cm)

18. Coordinate Resolution vs. E (PWO)

19. Fitted Histograms (Glass)
1.2 GeV
2.9 GeV
Δx (cm)
Δx (cm)
4.2 GeV
5.5 GeV
Δx (cm)
Δx (cm)

20. Coordinate Resolution vs. E (Glass)

21. Position Dependent

22. Brief intro to raw data
Run with less beam trip
Region far from edge

23. X vs. X (PWO)

24. X resolution vs. X (PWO)

25. E/Eg vs. X (PWO)

26. E resolution vs. X (PWO)

28. X linearity (Glass)

29. X resolution vs. X (Glass)

30. Transition Region Run 4245~4266 Step: 4245~4253: 2.5mm 4253~4260: 5mm

31. X linearity (Cross)

32. X resolution vs. X (Cross)

33. E/Eg vs. X (Cross)

34. E resolution vs. X (Cross)