collaborators

1 paper

hep-ph2008

S-wave γγ\to ππand f_0(980)\to ππ

J. A. Oller, L. Roca, C. Schat

We report on a dispersion relation for the γγ\to (ππ)_I S-wave in isospin I emphasizing the low energy region. The f_0(980) signal that emerges in γγ\to ππis also discussed. Our re…