1. Dijet+MET Events induced by Cosmic Ray Muons
March 7, 2009
Data Sample: Inclusive Jet Trigger with ET > 100 GeV
Event Selection
|zvtx| < 60 cm & Njet = 2
JetClu (Rjet = 0.7) with the CDF standard JES corrections
ET > 160 GeV, > 60 GeV, < 25 GeV with |h| < 2 and at least one jet with |h| < 1.1
0.15 < EEMF < 0.85
Cosmic ray muon w/o ECHF cut (> 0.15) m
References for Cleanup Cuts (EEMF and ECHF) :
"Search for extra dimensions in mono-jet+MET signatures,“ PRL 97, (2006) and combined photon/jet+MET, PRL 101, (2008)
"Search for squarks and gluinos in multi-jets + MET final state,"  arXiv: (appearing on PRL the 11th of March)

3. jj +ETmiss Junk events, but rejected by a charge fraction cut
ET(j1) = 267 GeV
ET(j2) = 263 GeV

4. Appendix: Jet Cleanup Variables (Loop over all jets with ET>25 GeV)
Event EM Fraction:
Event Charge Fraction:
(Loop over all jets with ET>25 GeV)