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Quantum-Statistical Correlations and Single Particle Distributions for Slowly Expanding Systems with Temperature Profile | | J. Helgesson
; T. Csorgo
; M. Asakawa
; B. Lorstad
; | | Date: |
8 Jun 1995 | | Journal: | Phys. Rev. C, 56 (1997) 2626 | | Subject: | nucl-th hep-ph | | Abstract: | Competition among particle evaporation, temperature gradient and flow is investigated in a phenomenological manner, based on a simultaneous analysis of quantum statistical correlations and momentum distributions for a non-relativistic, spherically symmetric, three-dimensionally expanding, finite source. The parameters of the model emission function are constrained by fits to neutron and proton momentum distributions and correlation functions in intermediate energy heavy-ion collisions. The temperature gradient is related to the momentum dependence of the radius parameters of the two-particle correlation function, as well as to the momentum-dependent temperature parameter of the single particle spectrum, while a long duration of particle evaporation is found to be responsible for the low relative momentum behavior of the two-particle correlations. | | Source: | arXiv, nucl-th/9506006 | | Services: | Forum | Review | PDF | Favorites | |
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