L2STTCTT Rootuple

This package provides the output of the STTCTTWorker, containing all of the output of BOTH the Level 2 CTT and the Level 2 STT. The package is l2sttctt_analyze.

Variable Definition
nstt number of objects in the branch
cttisolation ctt track isolation from level 1
cttl2isolation ctt isolation at level 2
cttpreshowerinfo information from ctt on preshower
cttscaledpt transverse momentum, as reported by l2ctt
cttsign 0 (positive) or 1 (negative) track, as reported by l2ctt
icttphi0bin phi at the ip as reported by the l2ctt
icttphiEM3bin phi at em3 (shower max) as reported by the l2ctt
impactparameter signed fitted impact parameter (in microns)
iphibin stt fitted phi of tangent angle at distance of closest approach to the beam line (in standard l2 bins)
ipsignificance Impact parameter significance
ptbin transverse momentum, as reported by l2stt
sign 0 (positive) or 1 (negative) track, as reported by l2stt
sttbarrel smt barrel number from stt
sttchi2 chi square/dof of stt track fit
sttdedx stt dedx (currently unfilled)
sttfitstatus 0=no stt fit, 1=stt fail, 2=stt success
sttskippedlayers smt layers skipped
stttruncatedlayer stt Truncated Layer due to overflow
topology SMT Topology 1= 3 layers, 0= 4 layers
For more documentation, please see this document, especially page 6.