 |
 |
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 > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the SNOWMASS-ELECTROWEAK list, click the following > link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=SNOWMASS-ELECTROWEAK&A=1 > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the SNOWMASS-ELECTROWEAK list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=SNOWMASS-ELECTROWEAK&A=1