Two-fragment Correlation Functions with Directional Cuts for Central 36Ar + 197Au collisions at E/A=50 MeV

Document Type

Article

Publication Date

8-1-1994

Publication Source

Physical Review C

Volume Number

50

Issue Number

2

First Page

952

Last Page

960

Publisher

American Physical Society

Abstract

Two-fragment correlation functions observed in central collisions of Ar36+197Au at E/A=50 MeV are compared to many-body trajectory calculations. For the present reaction, ambiguities between source size and lifetime can be reduced by employing directional emission cuts and describing observed differences between longitudinal and transverse correlation functions. For fragments emitted above the Coulomb barrier, E/A≥6 MeV, many-body Coulomb-trajectory calculations with a surface emission model indicate emission from an extended source of short lifetime.

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