On the relationship of the scaled phase space and Skyrme-coherent state treatments of proton antiproton annihilation at rest

Details On the relationship of the scaled phase space and Skyrme-coherent state treatments of proton antiproton annihilation at rest On the relationship of the scaled phase space and Skyrme-coherent state treatments of proton antiproton annihilation at rest

1995-08-24

arxiv.org/abs/nucl-th/9508042v1

Z.Phys.A354:209-213,1996

Physics

Nuclear Physics

Nuclear Theory

11 pages including 4 figures(postscript)

Scientific paper

10.1007/s002180050033

We discuss pion multiplicities and single pion momentum spectra from proton antiproton annihilation at rest. Both the scaled phase space model and the Skyrme-coherent state approach describe these observables well. In the coherent state approach the puzzling size of the scale parameter relating the phase space integrals for different multiplicities is replaced by a well defined weight function. The strength of this function is determined by the intensity of the classical pion field and its spatial extent is of order 1 fm.

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