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Results tagged with beyond-the-standard-model
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user 42937
Use this tag for questions beyond the standard laws of physics (General Relativity and the Standard Model) if a more specific tag, like "string-theory", "loop-quantum-gravity", "supersymmetry", etc. do not apply.
7
votes
Accepted
Expected consequence of the term $\theta F^{\mu\nu}\tilde{F}_{\mu\nu}$ in the Standard Model
To answer point $2$, $\theta$ is derived from the neutron elecric dipole moment that is measured to be like $ <10^{-18}\,\text{e}\cdot\text{m}$. You can prove that the dipole moment is proportional to …
- 2,194
1
vote
How to plot the 95% CLs exclusions when working with MG5/MA5?
Not sure I understand the details of your model, but if you have a prediction for the number of events $N$ as a function of some parameters $\theta_1,\dots,\theta_n$ the simplest way is to use a $\chi …
- 2,194
2
votes
Effective field theory odd dimension operators
This paper (and its references such as this one in Appendix A) contain a general proof.
It shows that if you have an operator that violates $B$ of an amount $\Delta B$ and $L$ of an amount $\Delta L$, …
- 2,194