Comparative Studies of Methods for Isolation of DNA from Medicinal Plants
Muon Isolation Studies
description
Transcript of Muon Isolation Studies
![Page 1: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/1.jpg)
Some D0 MeetingNovember 2003
Muon Isolation Studies
Ken JohnsUniversity of Arizona
![Page 2: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/2.jpg)
Some D0 MeetingNovember 2003
Conclusions
Isolation variables depend on event topology Z vs Zj vs Zjj Assumes Zj and Zjj samples are relatively pure
Current isolation criteria is inefficient dR and Halo11/Pt(muon) better?
Matrix method in progress Have signal efficiencies but need additional
background events for background efficiencies Apply to events outside Z mass region to
estimate signal and background
![Page 3: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/3.jpg)
Some D0 MeetingNovember 2003
Z, Zj, Zjj Data
Sample Emily Z skim (2 muons, 1 loose, 1 matched
track, other cuts?) Cuts
Good vertex 2 muons with PT > 15 GeV/c 1 isolated muon Same vertex Muon phi (highest PT) – metphi < 165
degrees 75 < dimu mass < 105 GeV/c2
0, 1, >1 jets with ET > 20 GeV
![Page 4: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/4.jpg)
Some D0 MeetingNovember 2003
Z, Zj, Zjj Data
Plots are for isolation variables for the second muon (no isolation requirement) Trkpt Halo11 DCA dR to closest jet dedx Trkdr Rat11 == Halo11 / Pt(muon)
![Page 5: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/5.jpg)
Some D0 MeetingNovember 2003
Z Data (Halo 11)
![Page 6: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/6.jpg)
Some D0 MeetingNovember 2003
Zj Data (Halo 11)
![Page 7: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/7.jpg)
Some D0 MeetingNovember 2003
Zjj Data (Halo 11)
![Page 8: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/8.jpg)
Some D0 MeetingNovember 2003
Z Data (TrkPt)
![Page 9: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/9.jpg)
Some D0 MeetingNovember 2003
Zj Data (TrkPt)
![Page 10: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/10.jpg)
Some D0 MeetingNovember 2003
Zjj Data (TrkPt)
![Page 11: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/11.jpg)
Some D0 MeetingNovember 2003
Zjj Data (Rat11)
![Page 12: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/12.jpg)
Some D0 MeetingNovember 2003
ttmumu MC (Halo 11)
![Page 13: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/13.jpg)
Some D0 MeetingNovember 2003
ttmumu MC (TrkPt)
![Page 14: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/14.jpg)
Some D0 MeetingNovember 2003
ttmumu MC (dR)
![Page 15: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/15.jpg)
Some D0 MeetingNovember 2003
ttmumu MC (Rat11)
![Page 16: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/16.jpg)
Some D0 MeetingNovember 2003
Zjj Data (Emily skim)
Cut Passing
Old isolation loose 33
Old isolation tight 17
New isolation loose(dR > 0.2 and Rat11 < 0.35)
29
New isolation tight 28
New isolation loose (no dR)
37
New isolation tight (no dR)
35
![Page 17: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/17.jpg)
Some D0 MeetingNovember 2003
Zjj Data (dimu skim)
Cut Passing
Old isolation loose 65
Old isolation tight 44
New isolation loose 76
New isolation tight 61
New isolation loose (no dR)
85
New isolation tight (no dR)
76
![Page 18: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/18.jpg)
Some D0 MeetingNovember 2003
bb Data (like sign)
Cut Passing
Old isolation loose 0
Old isolation tight 0
New isolation loose 0
New isolation tight 0
New isolation loose (no dR)
10
New isolation tight (no dR)
1
![Page 19: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/19.jpg)
Some D0 MeetingNovember 2003
bb Data (unlike sign)
Cut Passing
Old isolation loose 3
Old isolation tight 0
New isolation loose 1
New isolation tight 0
New isolation loose (no dR)
12
New isolation tight (no dR)
4
![Page 20: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/20.jpg)
Some D0 MeetingNovember 2003
Z, Zj, Zjj Data
Sample Dimu skims Cuts
Good vertex 2 muons with PT > 15 GeV/c 1 isolated muon Same vertex Muon phi (highest PT) – metphi < 165
degrees 75 < dimu mass < 105 GeV/c2
0, 1, >1 jets with ET > 20 GeV
![Page 21: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/21.jpg)
Some D0 MeetingNovember 2003
bb Data
Sample Dimu skims
Good vertex 2 muons with PT > 10 GeV/c 2 jets with ET > 20 GeV Each muon is within dR < 0.5 of a jet Same vertex Muon phi (highest PT) – metphi < 165
degrees 50 < dimu mass < 120 GeV/c2
Sometimes only like sign muons are required
![Page 22: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/22.jpg)
Some D0 MeetingNovember 2003
Zjj Data (dR)
![Page 23: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/23.jpg)
Some D0 MeetingNovember 2003
Zj Data (dR)
![Page 24: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/24.jpg)
Some D0 MeetingNovember 2003
Z Data (DCA)
![Page 25: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/25.jpg)
Some D0 MeetingNovember 2003
Zj Data (DCA)
![Page 26: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/26.jpg)
Some D0 MeetingNovember 2003
Zjj Data (DCA)
![Page 27: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/27.jpg)
Some D0 MeetingNovember 2003
b-bbar Data (Halo 11)
![Page 28: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/28.jpg)
Some D0 MeetingNovember 2003
b-bbar Data (TrkPt)
![Page 29: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/29.jpg)
Some D0 MeetingNovember 2003
b-bbar Data (Rat11)
![Page 30: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/30.jpg)
Some D0 MeetingNovember 2003
Zjj MC (Halo 11)
![Page 31: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/31.jpg)
Some D0 MeetingNovember 2003
Zjj MC (TrkPt)
![Page 32: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/32.jpg)
Some D0 MeetingNovember 2003
Zjj MC (dR)
![Page 33: Muon Isolation Studies](https://reader036.fdocuments.in/reader036/viewer/2022062423/56814881550346895db58ee8/html5/thumbnails/33.jpg)
Some D0 MeetingNovember 2003
Zjj MC (Rat11)