TWiki> Main Web>TWNCUHEP>NCUHEP_Vg_HLT_16x (2008-07-07, ChiaMingKuo) EditAttachPDF
The events in the denominator are required to have one (two) MC electron(s) with |eta|<2.5 and pt>5GeV and reconstructed by offline for Wgamma(Zgamma).

Wgamma

The study was made with privately produced sample (Et(gamma)>10GeV).

Trigger condition L1 & HLT efficiency (%)
1e isolated 67.5 (0.7)
1e relaxed 68.0 (0.7)

Zgamma

The study was made with official CSA07 sample.

Trigger condition L1 & HLT efficiency (%)
1e isolated 88.3 (0.4)
1e relaxed 88.6 (0.4)
2e isolated 68.2 (0.3)
2e relaxed 75.7 (0.4)
1g isolated 39.9 (0.2)
1g relaxed 25.1 (0.2)
1e isolated OR 2e isolated 91.0 (0.4)
1e isolated OR 2e relaxed 92.7 (0.4)
1e relaxed OR 2e isolated 92.3 (0.4)
1e relaxed OR 2e relaxed 92.5 (0.4)

-- ChiaMingKuo - 07 Jul 2008

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Topic revision: r2 - 2008-07-07 - ChiaMingKuo
 
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