χPT Calculations with two-pion Loops for S-wave π0 Production in pp Collision

E. Gedalin, A. Moalem, L. Razdolskaya

Research output: Working paper/PreprintPreprint

Abstract

The total cross section for the pp→ppπ0 reaction at energies close to threshold is calculated within the frame of a chiral perturbation theory, taking into account tree and one loop diagrams up to chiral order D=2. Two-pion loop contributions dominate π0 production at threshold. The calculated cross section reproduces data, both scale and energy dependence, fairly well.
Original languageEnglish
StatePublished - 9 Mar 1998

Keywords

  • nucl-th

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