Sorry for that I didn't complete my email. Please see a small 
modifications below.

On 12/12/12 1:41 PM, Shih-Chieh Hsu wrote:
> Dear Oscar, Celine and Michael,
>
> Thank you very much for your comprehensive introductions of your 
> electroweak effective field theories.
> I learned more depth about different aspects of your EFT today.
>
> I have a couple of questions looking forward to your further comments.
>
> Q1. What is the appropriate approach to probe gauge couplings
> in a consistent way in inclusive diboson, VBS diboson+jj and triboton 
> production at hadron colliders?
>
> Celine commented that we don't need energy dependence form factor
> to preserve unitary for WW production by considering all dimension 6 
> operators.
> However, Michael use VBS WW+jj production as an example to show that 
> we need to
> introduce s^hat dependent form factor in order to preserve unitarity.
> The TGC limit derived in inclusive WW might not be compared to the TGC 
> limit
> derived in VBS WW+jet neither Triboson production.
>
> Q2. Could Oscar give us a summary of the coupling constants with
> necessary form factor for the Dimension 6  and Dimension8 operators?
> To my understanding, we only introduce Dimension 8 operators for 
> neutral gauge couplings.
For practical approaches, we agreed to only introduce Dimension 8 
operators for neutral gauge couplings.

Cheers,

Shih-Chieh

>
> Q3. It looks to me VBFNLO, MadGraph5 and Oscar's package all implement 
> the same effective field theory.
>       Do I understand it correctly that we should be able to reproduce 
> the same calculations
>       from each generator?
>
> Q4. In the end, the TGC/QGC operators are linear expansions of the 
> effective Lagrangian.
>       Do I expect  the production cross-section can be represented as 
> a quadratic dependent function
>      of each gauge coupling coefficients?
>
> Sincerely yours,
>
> Shih-Chieh
>
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