The eta-prime -> eta pi pi decay in U(3) chiral perturbation theory

Details The eta-prime -> eta pi pi decay in U(3) chiral perturbation theory The eta-prime -> eta pi pi decay in U(3) chiral perturbation theory

2002-01-30

arxiv.org/abs/hep-ph/0201289v1

Nucl.Phys.A705:433-454,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, 2 figures

Scientific paper

10.1016/S0375-9474(02)00652-8

The dominant decay mode of the eta-prime, eta-prime -> eta pi pi, is
investigated within the framework of infrared regularized U(3) chiral
perturbation theory up to fourth chiral order and including one-loop
corrections. We find reasonable agreement with experimental data and observe
convergence of the chiral series.

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