Closed Yong-Du closed 2 years ago
Hi,
I haven't looked at your specific example, but in general this is something that is to be expected if the mixing of Wilson coefficient B into Wilson coefficient A is zero in leading-log approximation. Note also that the numerical value for the Wilson coefficient you are choosing is physically meaningless as 1/GeV² invalidates the EFT expansion.
Hi,
I get it now, thank you for the comment.
Best, Yong
Hi,
I was trying to use the
wilson
package for running some Wilson coefficients from the mZ scale up to 1TeV, but I got very different results (differ by ~1e12) when choosing different options forsmeft_accuracy
. I tried other operators (likephiD
) as well, but got similar discrepancy. Since I do not expect the RGEs for the Wilson coefficients or the SM parameters to be stiff, I would agree with the methods defined in yourrge.py
file. However, I have a difficulty in understanding this huge discrepancy. Do you have any comments/suggestions? (My code and the output are attached below.)Thanks, Yong
Code:
The output
(0.8122261045241321+3.455055738367379e-09j) (2.6547291756603105e-12-3.7133250374864686e-14j)