Sa-wave γγ→ππ and f0 (980)→ππ
We report on a dispersion relation for the γγ→(ππ)I Sa-wave in isospin I emphasizing the low energy region. The f0(980) signal that emerges in γγ→ππ is also discussed. Our results could be used to distinguish between different ππ isoscalar Sa-wave parameterizations. We also calculate the width of th...
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2008
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0094243X_v1030_n_p147_Oller http://hdl.handle.net/20.500.12110/paper_0094243X_v1030_n_p147_Oller |
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