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Performance Analysis of MuTr Level-1 Delay Settings in 2013 Run at 1MHz Rate

This report presents the analysis of the MuTr Level-1 delay settings during the 2013 run, focusing on the results from the Yankee trigger samples taken at approximately 1MHz. Key findings highlight the performance and distribution patterns of hit samples associated with both track correlated and gap correlated hits across various planes. The sweet spots for delay settings differ by plane type, with a preferred setting of Level-1 delay = 6 for optimal performance, particularly in non-stereo configurations. Comparison of the performances in Northern and Southern regions indicates minor differences, showcasing effective system calibration.

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Performance Analysis of MuTr Level-1 Delay Settings in 2013 Run at 1MHz Rate

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  1. Run13 MuTrLevel-1 Delay Scan Result YoshimitsuImazu, Sanghwa Park, Itaru Nakagawa

  2. Data Taking 2/March/2013 (MuTrelog entry:1719) MUID1D Trigger Samples @ BBC rate ~ 1MHz HV : Run12 PP Nominal Setting

  3. Contents • Distributions* • (ADC[2]-ADC[0])/ADC[2] • Cluster Size Distribution • PkW Distribution • Hit Samples from • Track Associated • Gap Correlated Hits (Less biased samples) * Plots are summed over all octants. Also MuTrg-FEE installed (non-stereo except for St-2, Gap-2) planes and MuTrg-FEE not installed (stereo + St-2, Gap-2) planes are summed separately. Performance is mostly driven by the timing difference between MuTrg-FEE installed and non-installed planes. See Page 21-27 for individual plane comparison.

  4. MuTrig-FEE Installed Planes MuTR Non-Stereo Gaps St1 St2 St3 No MuTRG-FEE MuTr Planes S: Stereo Plane, NS:Non-Stereo Plane

  5. Reference from Run7 (before MuTrg-FEE Install) Cluster size

  6. Level-1 Delay History

  7. Somewhat Biased Samples Track Associated Samples

  8. South (ADC[2]-ADC[0])/ADC[2] MuTrig-FEE Installed Planes Sum MuTrig-FEE not Installed Planes Sum

  9. South : Cluster Size

  10. South : PkW (xfit)

  11. North (ADC[2]-ADC[0])/ADC[2]

  12. North : Cluster Size

  13. North: PkW Distribution

  14. Less Biased Samples Gap Correlated Samples

  15. South : (ADC[2]-ADC[0])/ADC[2]

  16. South : Cluster Size

  17. South : PkW (xfit) Distribution

  18. North : (ADC[2]-ADC[0])/ADC[2]

  19. North : Cluster Size

  20. North : PkW (xfit)

  21. Conclusion Best Level-1 Delay • Consistent between 2 (Track Associated & Gap Correlated hits) samples. • The sweet spot differ by 1Bclk between planes with and without MuTrg-FEE planes. • The sweet spot exists between 5 and 6 for MuTrg-FEE installed planes whereas 6 -7 for non-installed planes for South. Level-1 delay=6 seems a good choice to make both planes happy. • There is no common sweet spot for the North case. Given the requirement of better momentum resolution, I prefer Level-1 delay=6 to obtain the best performance in non-stereo planes. • No significant difference in performances between North and South unlike Run11/12. Thanks to Yoshimitsu and Mike Leitch to fix pedestal offset issue.

  22. Level-1 Delay=6 Plane by Plane Perfomance(octants are summed over)

  23. South : (ADC[2]-ADC[0])/ADC[2] St-1 Gap-2 St-1 Gap-3 St-1 Gap-1 Plane-0 Plane-1 St-2 Gap-1 St-2 Gap-2 St-2 Gap-3 (no MuTrg-FEE installed) in this gap St-3 Gap-1 St-3 Gap-2 w/MuTrg-FEE Plane Sum w/o MuTrg-FEE Plane Sum Level-1 Delay=6

  24. South : Cluster Size Level-1 Delay=6

  25. South : PkW (Xfit) Level-1 delay=6 The performance difference between planes are relatively minor. Primary characteristics are featured by the existence of MuTrg-FEE.

  26. North :(ADC[2]-ADC[0])/ADC[2]

  27. North : Cluster Size Level-1 Delay=6

  28. North : PkW (Xfit) Level-1 delay=6

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