1. Some Result of HyCal Resolution
Liyang Jiang
CIAE/UNCW

2. Energy Resolution of PWO

3. General Information Run: 4280;
Crystal: centered on W2016 for 5 minute deep statistics run;
Hycal Calibration Constants: gain5_iter;
Landau*Gaussian Fit.

4. Fitting Results (PWO)
Eg=5.47GeV
Eg=4.76GeV
Eg=3.09GeV
Eg=2.27GeV

5. Linearity of Ec at PWO
E cluster (GeV)

6. Sigma/E vs Eg at PWO

7. Energy Resolution at Lead Glass

8. Information
Run: 4279;
Crystal: centered on G657 for 5 minute deep statistics run;
Hycal Calibration Constants: gain5_iter;
Landau*Gaussian Fit.

9. Fitting Results (Glass)
Eg=5.47GeV
Eg=4.76GeV
Eg=3.09GeV
Eg=2.27GeV

10. Linearity of Ec at Glass
E cluster (GeV)

11. Sigma/E vs Eg at Glass

12. Position Resolution at PWO

13. Gaussian Fit Results (PWO)
Eg=5.47GeV
Eg=4.76GeV
X (cm)
X (cm)
Eg=3.09GeV
Eg=2.27GeV
X (cm)
X (cm)

14. X VS E gamma (PWO)
X (cm)

15. X sigma VS E gamma (PWO)

16. Position Resolution at Glass

17. Gaussian Fit Results (Glass)
Eg=5.47GeV
Eg=4.76GeV
Eg=3.09GeV
Eg=2.27GeV

18. X VS E gamma (Glass)

19. X sigma VS E gamma (Glass)

20. Position Resolution at Different Place

21. PWO Information
Run: 5348 (Second Snake Scan)
Scan from W1884 to W1851

22. Fitting Results

23. Sigma Y VS X (PWO)

25. Beam-on modular id of Run 4279
Erratum in Logbook
Beam-on modular id of Run 4279
Logbook, page 240, Run 4279: “Centered on Glass 587 – deep statistics”;
Online database, Run 4279: “Centered on G657 for 5 minute deep statistics run”.

26. Information from EPICS bank; Reconstructed X and Y position;
Erratum in Logbook
Information from EPICS bank;
Reconstructed X and Y position;
Energy deposit in each modular.

27. Position info in EPICS bank
Erratum in Logbook
Position info in EPICS bank
In EPICS bank, the value of position is not changed through Run 4279.
ptrans_x.RBV = mm,
ptrans_y.RBV = mm.

28. Reconstructed position
Erratum in Logbook
Reconstructed position
X= cm
Y= cm

29. Mean Energy deposited in each modular (T counter 30)
Erratum in Logbook
Mean Energy deposited in each modular (T counter 30)
G595
1.515E-03
G596
4.401E-03
G597
6.869E-03
G598
4.868E-03
G599
1.817E-03
G625
3.884E-03
G626
2.487E-02
G627
7.279E-02
G628
2.629E-02
G629
5.202E-03
G655
6.400E-03
G656
7.521E-02
G657
2.590E+00
G658
1.084E-01
G659
8.046E-03
G685
5.443E-03
G686
2.572E-02
G687
1.057E-01
G688
3.230E-02
G689
6.081E-03
G715
1.868E-03
G716
5.196E-03
G717
8.647E-03
G718
5.512E-03
G719
1.831E-03

30. Erratum in Logbook
Conclusion
The evidence listed above proved that in Run 4279, the beam is hit on the modular G657. The note about Run 4279 in the logbook Page 240 “Centered on Glass 587 …” should be “Centered on Glass 657…”.
NO Lead Glass modular numbered 587.