Time scales in spectator fragmentation

C Schwarz,Stephen G Fritz,R Bassini,M L Begemannblaich, S J Gaffejakov,D Gourio,C Gros,G Imme,I Iori, U Kleinevos,G J Kunde,W D Kunze,U Lynen,V Maddalena,M Mahi,T Mohlenkamp,A Moroni,W F J Muller, G Nociforo,B Ocker, T Ohed, F Pertruzzelli,J Pochodzalla,G Raciti,Giorgio Riccobene,F Romano,A Saija,M Schnittker,A Schuttauf,W Seidel,V Serfling,C Sfienti,W Trautmann,A Trzcinski,Giuseppe Verde,A Worner,Hongfei Xi,B Zwieglinski

Nuclear Physics A（2001）

Cited 9|Views28

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Abstract

Proton-proton correlations and correlations of p-alpha, d-alpha, and t-alpha from spectator decays following Au + Au collisions at 1000 AMeV have been measured with an highly efficient detector hodoscope. The constructed correlation functions indicate a moderate expansion and low breakup densities similar to assumptions made in statistical multifragmentation models. In agreement with a volume breakup rather short time scales were deduced employing directional cuts in proton-proton correlations. PACS numbers: 25.70.Pq, 21.65.+f, 25.70.Mn

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Key words

correlation function

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