Muon trigger acceptance study
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Muon Trigger Acceptance Study. Ye Li UW-Madison. Goals. Implement BMU + track trigger to extend acceptance for dimuons; Investigate the acceptance gain from other newly implemented triggers;

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Muon Trigger Acceptance Study

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Muon trigger acceptance study

Muon Trigger Acceptance Study

Ye Li

UW-Madison


Goals

Goals

  • Implement BMU + track trigger to extend acceptance for dimuons;

  • Investigate the acceptance gain from other newly implemented triggers;

  • Investigate the acceptance gain using the following muon regions: blue beam, keystone, and mini skirt.


Z muon cuts

Z Muon Cuts


Run number plots of z muons

Run Number Plots of Z Muons

  • Require one leg as CMUP muon and the other as BMU muon

  • The RH plot has both triggers CMUP18 and L3BMU on


Invariant mass

Invariant Mass


Muon trigger acceptance study

  • The top plots are:

    • no trigger required

      total entries: 84521

    • CMUP18 or CMX18 on

      total entries: 83872

    • CMUP18, CMX18 or L3BMU on

      total entries: 83873

  • The bottom plots are:

    • no trigger required

    • CMUP18 and CMX18 on

    • CMUP18 and L3BMU on


Eta distribution

Eta Distribution


Muon trigger acceptance study

  • Use “or” to find out the following:

    • How many data events we have from the standard requirement of CMUP or CMX

    • How many data events we would gain by adding the BMU trigger, that is, requiring CMUP, CMX or BMU

    • How many total events there are in the bhmu stream, that is, by including all other non-standard triggers

  • Fewer than 1% additional events in the entire bhmu stream ( BMU data not included in the current stream? )


What to do next

What to do next?

  • Check if there is a separate BMU-triggered data stntuple;

  • Use fiduciality definitions in the stntuple of the CMUP and CMX systems;

  • Investigate the acceptance gain using the following muon regions: blue beam, keystone, and mini skirt;

  • Study the efficiencies of newly implemented trigger.


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