Two-Loop Chiral Perturbation Theory and the Pion-Pion Phase Shifts

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dc.creatorBorges, J. Sa
dc.creatorBarbosa, J. Soares
dc.creatorTonasse, M. D.
dc.creatorHaidenbauer, J.
dc.date1998-06-26
dc.date.accessioned2026-07-07T04:04:10Z
dc.date.available2026-07-07T04:04:10Z
dc.descriptionWe want to test the predictive power of Chiral Perturbation Theory (ChPT). In this work, we use the ChPT pion-pion scattering amplitude, including two loop contributions, and we obtain S- and P-wave low-energy phase shifts. We show that, by varying just one free parameter, the resulting S- and P-wave phase shifts are in reasonable agreement with the experimental data.
dc.description6 pages in latex 6 ps figures
dc.identifierhttps://arxiv.org/abs/hep-ph/9806500
dc.identifierhttp://arxiv.org/abs/hep-ph/9806500
dc.identifierHadronic J. 22 (1999) 617-623
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/47975
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTwo-Loop Chiral Perturbation Theory and the Pion-Pion Phase Shifts
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