====== SM: Loops, Multi-legs, Jets ======

===== List of Topics =====
 1)      **PDFs**

a)      impact of LHC data, current and future
                  *  -how well do we know PDFs at high x->implications for new physics
  *                  -how Gaussian are high x PDF uncertainties, i.e. what would it take to believe a high mass excess
 
b)      impact of/need for an LHeC

c)      combination of PDF sets
 
 d)      impact of NNLO jet calculations

2)      **(N)NLO QCD + (N)NLO EWK**

a)      wishlist of calculations-> review of what current exists->input: what do the experiments really want?

b)      study of the 'Sudakov Zone', ~1 TeV where EWK corrections may be comparable to QCD corrections

c)      PDFs with QED corrections, photon PDFs, gamma-gamma processes

d)      press ahead with the tuned comparison of precision calculations for Drell-Yan processes carried out in the framework of the LPCC EW Group

e)      prescriptions for combining QCD and EW corrections

The Wishlist page is [[2013:groups:sm:nnlowishlist|here]]
        
3)      **Binoth Les Houches Accord (BLHA)**

 An update on this is in the make, see [[2013:groups:sm:blha|the BLHA page]]


4)      **Top Decays**
a)      handling top decays in processes like tTH, tTbB and tTjj





**[[2013:groups:sm:cutsobservables|Cuts and Observables]]**

==== Plans for the upcoming Les Houches Report ====

=== EW corrections - theoretical guidelines and experimental issues ===
== Theoretical guidelines: ==
  * EW input parameter schemes \\ which to use in which process / for which corrections, etc.
  * Photon radiation \\ their role in NC/CC processes, general features, collinear non-safety versus KLN inclusiveness, etc.
  * Photon-induced processes \\ their size in various processes, how to fix the photon PDF, EW factorization scheme, etc.
  * EW Sudakov logs \\ quality of a leading-log approximation for NLO EW corrections, real W/Z emission, two-loops and beyond, etc.
  * more?

== Experimental issues: ==
  * ...


==== Coordination with Snowmass: QCD Issues  ====     
**[[2013:groups:sm:snowmass|here]]**