MultileptonAnaTest < Sandbox

---+ ATLAS multi-lepton analysis
   * [[https://indico.cern.ch/conferenceDisplay.py?confId=160358][LBL Trilepton]]
   * [[http://cdsweb.cern.ch/record/1389471/][ATL-COM-PHYS-2011-1374]]: Search for anomalous production of like-sign dilepton events with at least one electron
   * [[http://cdsweb.cern.ch/record/1381522/][ATL-COM-PHYS-2011-1243]]: Search for Evidence of New Physics in Events with Three Leptons
   * [[http://cdsweb.cern.ch/record/1368457][ATL-COM-PHYS-2011-960]]: Search for Evidence of New Physics in Events with Four Leptons
   * [[http://cdsweb.cern.ch/record/1368250/][ATL-COM-PHYS-2011-954]]: SUSY Searches at ATLAS in Final States with At Least Four Leptons and Missing Transverse Energy

---+ CMS multi-lepton analysis
   * [[https://twiki.cern.ch/twiki/bin/view/CMSPublic/PhysicsResultsSUS][CMS Physics Results]]
   * [[http://arxiv.org/pdf/1106.0933v2][1106.0933v2]]: Search for Physics Beyond the Standard Model Using Multilepton Signatures in pp Collisions at sqrt(s)=7 TeV
   * [[http://indico.cern.ch/contributionDisplay.py?contribId=46&sessionId=2&confId=149404][talk]]: CMS searches for R-parity violating SUSY by Richard Carl Gray
   * [[http://indico.cern.ch/contributionDisplay.py?contribId=19&sessionId=5&confId=149404][talk]]: Searches for multi-lepton Production in CMS by Dr. Fedor Ratnikov (KIT - Karlsruhe Institute of Technology (DE))

---+ Reference
   * [[http://arxiv.org/abs/1110.1368v1][1110.1368]]: Backgrounds To Higgs Boson Searches from Asymmetric Internal Conversion
   * [[http://arxiv.org/abs/1110.4738v1][1110.4738]]: Four-lepton production at hadron colliders: aMC@NLO predictions with theoretical uncertainties

---+ lepton selection
   * Same-Sign Dimuon
<verbatim>
combined Staco muons
normal MCP hit requirements
|eta|<2.5
pT>10
Q_ID == Q_MX
|d0|<0.2
|z0*sin(theta)|<5.0
|d0|/sigma(d0) < 3.0
one muon with pt>20 matches trigger
ptcone40_500/pt < 0.08 && ptcone40_500 < 5.0


µµ-channel: 
   - pt 20/10 GeV
   - |d0|/sigma(d0) < 3
   - track isolation: ptcone40/pt < 0.10 && ptcone40 < 5 GeV (although tightened for our more recent in-approval-update for publication!)
ee-channel:
   - pt 25/20 GeV
   - medium && medium++ && B-layer hit if expected
   - calorimeter isolation: etcone20(corrected for pileup & leakage) < 3 GeV + (Et-20GeV)*0.037
   - track isolation:  ptcone30/Et < 0.10
   - loose IP cuts
eµ-channel:  hbrid of the above...
</verbatim>

Topic revision: r3 - 2011-10-25 - ShihChiehHsu

Account
- Log In

- Cern Search
- TWiki Search
- Google Search
Sandbox All webs

Edit
Attach

Copyright &© 2008-2021 by the contributing authors. All material on this collaboration platform is the property of the contributing authors.
or Ideas, requests, problems regarding TWiki? use Discourse or Send feedback