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My Vision. A Phenomenologist’s Reality List Comments on Tools and Analysis. Feedback. What works? PS describes n-jet emission well What doesn’t? Number of isolated charged tracks Gluon splitting a heavy flavor Essential for making progress. Prioritize.

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Presentation Transcript
My vision

MyVision

A Phenomenologist’s

Reality List

Comments on Tools and Analysis


Feedback
Feedback

  • What works?

    • PS describes n-jet emission well

  • What doesn’t?

    • Number of isolated charged tracks

    • Gluon splitting a heavy flavor

      Essential for making progress


Prioritize
Prioritize

  • Separate essential from esoteric

  • Wjjjjj or a good description of inclusive W production (PT of W)?

  • SM backgrounds or new physics particulars?


Simple before complex
Simple before Complex

  • Parton level (basic topology)

  • Particle level (heavy flavor?)

  • Toy calorimeter (smearing effects)

  • Fast simulation (basic result)

  • Full simulation (hard core; important for final results)


Communicating results
Communicating Results

  • Make data available in a short time (light sbottom? Wbb at Mbb=115 GeV?)

  • Public Fast Simulations

  • Don’t view theorists as the enemy. Include them in your analyses

  • Allow small groups to post preliminary results (hep-ex or hep-ph)

    Chance of an error vs. positive feedback


Searches
Searches

  • A priori strategies (e.g. SLEUTH) look promising

    • e+e-gg ET conundrum: the probability of something unusual is hard to estimate

  • However …

    • Exclusive final states are sensitive to object definitions

    • How to account for correlated signals?

      WW(gg) a12 ejj for 1 ee (gg)

  • It is okay to test specific models!


Proceed without prejudice
Proceed without Prejudice

  • Exploit LEP experience

  • Test LHC Monte Carlo analyses

  • Remember these mantras:

    • A heavy top quark cannot be found in Run I

    • Charm tagging is not possible

  • When you consider:

    • Top quark “tagging”

    • Tau lepton identification


Warm ups
Warm Ups

  • Blind-folded analyses

    • Analyze mixtures of fake data and signal

    • Expose biases and possible surprises

    • How to do this in a fair way?

      • Prepare SHW formatted objects?

      • Binaries that only output stable particles?

      • Will accept suggestions, disk space, etc.

  • Prepare kinematic templates for gluino signals, etc.

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