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HK: Physik der Hadronen und Kerne
HK 60: Physik mit schweren Ionen
HK 60.5: Talk
Friday, March 24, 2006, 15:15–15:30, D
Surveying Spectator Fragmentation at Relativistic Energy — •Concettina Sfienti — GSI Darmstadt, Planckstr. 1, 64291 Darmstadt
A systematic study of the multifragmentation reaction mechanism of projectile spectator has been investigated at the ALADiN spectrometer at the GSI. Stable as well as radioactive beams have been used for this purpose.
Specific charge correlations have been analysed: they reveal details about the relevant phase-space for the decaying system. Critical exponent, scaling and bimodal distributions have been studied to gain a deeper insight also in view of the interpretation of such mechanism as manifesting liquid-gas phase transition.
Challenging motivations for isotopic studies are derived from the importance of the density dependence of the symmetry-term of the nuclear equation of state. In this context isoscaling analysis and the study of neutron-yield distributions have been carried-out.