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Searching for Lepton Flavor Violation at LHCb. Matt Jaffe Physics Department, Penn State University. The LHCb Experiment. Indirect search for new physics Matter/antimatter asymmetry Measurement of rare decays. Lepton Flavor Violating Decays. 700 scientists from 52 institutions.

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searching for lepton flavor violation at lhcb

Searching for Lepton Flavor Violation at LHCb

Matt Jaffe

Physics Department,

Penn State University

the lhcb experiment
The LHCb Experiment
  • Indirect search for new physics
    • Matter/antimatter asymmetry
    • Measurement of rare decays
  • Lepton Flavor Violating Decays
  • 700 scientists from
  • 52 institutions

Matt Jaffe

Penn State University

lepton flavor violation
Lepton Flavor Violation

(?)

Electron #:

+1

0

0

0

Muon #:

+1

0

+1

Tau #:

0

0

And negative for corresponding anti particles

Matt Jaffe

Penn State University

decay
τ -> μμμ Decay
  • Standard Model Branching Ratio: ~10-54
  • Branching ratio in some New Physics models:

10-8 - 10-10 !

  • SM + Heavy Majoranaνr
  • SUSY SO(10)
  • mSUGRA + seesaw

OR

(more likely)

Matt Jaffe

Penn State University

selection cuts
Selection Cuts

Goals

  • Eliminate all background events
  • Maximize τ -> μμμ efficiency
  • Select appropriate control channels

x 200

How

  • Throw out a huge majority of the data
  • - intelligently!

Matt Jaffe

Penn State University

swiss ultimate nationals
Swiss Ultimate Nationals!

Cham

Matt Jaffe

Penn State University