Optimized Discretization of Sources Imaged in Heavy-Ion Reactions

Details Optimized Discretization of Sources Imaged in Heavy-Ion Reactions Optimized Discretization of Sources Imaged in Heavy-Ion Reactions

1997-12-18

arxiv.org/abs/nucl-th/9712066v1

Phys.Rev.C57:2474-2483,1998

Physics

Nuclear Physics

Nuclear Theory

36 pages (inc. 9 figures), RevTeX, uses epsf.sty. Submitted to Phys. Rev. C

Scientific paper

10.1103/PhysRevC.57.2474

We develop the new method of optimized discretization for imaging the relative source from two particle correlation functions. In this method, the source resolution depends on the relative particle separation and is adjusted to available data and their errors. We test the method by restoring assumed pp sources and then apply the method to pp and IMF data. In reactions below 100 MeV/nucleon, significant portions of the sources extend to large distances (r > 20 fm). The results from the imaging show the inadequacy of common Gaussian source-parametrizations. We establish a simple relation between the height of the pp correlation function and the source value at short distances, and between the height and the proton freeze-out phase-space density.

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