Geometry in Scattering Amplitudes

PIRSA ID: 22120056
Series: Particle Physics, Quantum Fields & String Seminars
Event Type: Seminar
Scientific Area(s):
Particle Physics
 ,
Quantum Fields and Strings
End date:
December 9, 2022 at 1:00 PM Skyroom

One central property of the S-matrix is its invariance under field redefinitions. I will discuss how the geometry of field space makes this invariance manifest. This geometric formulation also has practical consequences. Scattering amplitudes and the renormalization group equations for a theory of scalars and gauge bosons only depend on geometric quantities. Also, the scattering amplitudes satisfy a geometric soft theorem.

Zoom link:  https://pitp.zoom.us/j/98973018515?pwd=MFJFSGM4RS9KRHFOREFBc1gvWXYwQT09