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Summary (May 2013-Present)

Summary (May 2013-Present). Neil Delwadia. Summary. Worked for Al this past summer Contributing to Zg (g) group Examining cross section of Zg (g) production Introduced to MCFM program NLO simulations Using simulations to check how well cross section predictions line up with data (2012).

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Summary (May 2013-Present)

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  1. Summary (May 2013-Present) Neil Delwadia

  2. Summary • Worked for Al this past summer • Contributing to Zg(g) group • Examining cross section of Zg(g) production • Introduced to MCFM program • NLO simulations • Using simulations to check how well cross section predictions line up with data (2012)

  3. MCFM Progress • Have used MCFM to calculate systematic error involved with Zg NLO theory predictions • Have identified main contributors to systematic error. • QCD scales - • mrenorm– varies the energy at which the strong coupling constant is evaluated • mfact – varies the energy that evolves the parton content of the proton

  4. Systematic Errors (Zg) Ds = ΔDs =

  5. Systematic Errors (Zgg) Ds = ΔDs =

  6. Progress/Plans • Next, we must consolidate individual systematic errors and calculate an overall error for the Zg cross section prediction • Then, reproduce Zgg runs that had unusual error and repeat above process for Zggsystematic error.

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