[Theory-seminars] REMiNDER: Theory Seminar, Monday May 15, 1:00pm, Room F113 - Astrid Blin

[Alessandro Pilloni]

Dear all,
this is a reminder for today's seminar.
Because of the GlueX meeting, we have to move to room F113


-------- Messaggio Inoltrato --------
Oggetto: 	[Theory-seminars] Theory Seminar, Monday May 15, 1:00pm, Room 
F113 - Astrid Blin
Data: 	Thu, 11 May 2017 10:38:47 -0400
Mittente: 	Alessandro Pilloni <pillaus at jlab.org>
A: 	theory-seminars at jlab.org



Theory Center Seminar
Monday, May 15
1:00pm
CEBAF Center, Room F113

*Astrid Hiller-Blin (Valencia U.)*
*Electromagnetic interactions with light baryons in covariant ChPT*

We study the low-energy behaviour of baryons subjected to external 
electromagnetic fields, using fully covariant ChPT with the explicit 
inclusion of spin-3/2 degrees of freedom. The processes studied are 
Compton scattering off baryon targets, as well as meson photoproduction.
On the one hand, the goal of the study of scattering reactions is to 
extract clean information about observables such as polarizabilities, 
electric dipole moments, charge radii and electromagnetic densities. On 
the other hand, the analysis of meson-production cross sections allows 
one to get information about LECs, resonances and the convergence 
behaviour of ChPT.
We predicted some hyperon electromagnetic properties for the first time, 
and also achieved the reproduction of the threshold neutral pion 
photoproduction data up to photon energies above 200 MeV.




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