Speaker
Dr
Melahat Bayar
(Instituto de Fisica Corpuscular)
Description
We have performed a calculation of the scattering amplitude for the three body
system $\bar{K}NN$ assuming $\bar{K}$ scattering against a $NN$ cluster, using
the Fixed Center approximation to the Faddeev equations. The $\bar{K}N$ amplitudes,
which we take from chiral unitary dynamics, govern the reaction and we find a $\bar{K}NN$
amplitude that peaks around 30-40 MeV below the $\bar{K}NN$ threshold, with a width in $|T|^2$ of
the order of 50 MeV. The results are in line with those obtained using different methods but implementing chiral dynamics.
The simplicity of the approach allows one to see the important ingredients responsible for the results.
Primary author
Dr
Melahat Bayar
(Instituto de Fisica Corpuscular)
Co-authors
Prof.
Eulogio Oset
(Instituto de Fisica Corpuscular)
Dr
Junko Yamagata-Sekihara
(Instituto de Fisica Corpuscular)
