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J. Hubele P. Kreutz J. C. Adloff M. Begemann-Blaich P. Bouissou G. Imme I. Iori G. J. Kunde S. Leray V. Lindenstruth Z. Liu U. Lynen R. J. Meijer U. Milkau A. Moroni W. F. J. Müller C. Ngô C. A. Ogilvie J. Pochodzalla G. Raciti G. Rudolf H. Sann A. Schüttauf W. Seidel L. Stuttge W. Trautmann A. Tucholski 《Zeitschrift für Physik A Hadrons and Nuclei》1991,340(3):263-270
We have studied the fragmentation of Au projectiles interacting with targets of C, Al and Cu at an incident energy ofE/A=600 MeV. The employed inverse kinematics allowed a nearly complete detection of projectile fragments with chargeZ≧2. The recorded fragmentation events were sorted according to three observables, the multiplicityM lp of light charged particles, the largest atomic numberZ max within an event, and a new observable,Z bound, representing the sum of the atomic numbersZ of all fragments withZ≧2. Using these observables, the impact parameter dependence of the fragmentation process was investigated. For all three targets, a maximum mean multiplicity of 3 to 4 intermediate mass fragments (IMFs) is observed. The corresponding impact parameters range from central collisions for theC target to increasingly peripheral collisions for the heavier targets. It is found that the correlation between the IMF multiplicity andZ bound, extending from evaporation type processes (largeZ bound) to the total disassembly of the projectile (smallZ bound), is independent of the target nucleus. This universal behaviour may suggest an — at least partial — equilibration of the projectile fragment prior to its decay. 相似文献
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Kunde GJ Hsi WC Kunze WD Schüttauf A Wörner A Begemann-Blaich M Blaich T Bowman DR Charity RJ Cosmo A Ferrero A Gelbke CK Hubele J Immé G Iori I Kreutz P Lindenstruth V Lisa MA Lynch WG Lynen U Mang M Möhlenkamp T Moroni A Müller WF Neumann M Ocker B Ogilvie CA Peaslee GF Pochodzalla J Raciti G Rubehn T Sann H Seidel W Serfling V Sobotka LG Stroth J Stuttge L Tomasevic S Trautmann W Tsang MB Tucholski A Verde G Williams CW Zude E Zwieglinski B 《Physical review letters》1995,74(1):38-41
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Hsi WC Kunde GJ Pochodzalla J Lynch WG Tsang MB Begemann-Blaich ML Bowman DR Charity RJ Cosmo F Ferrero A Gelbke CK Glasmacher T Hofmann T Imme G Iori I Hubele J Kempter J Kreutz P Kunze WD Lindenstruth V Lisa MA Lynen U Mang M Moroni A Müller WF Neumann M Ocker B Ogilvie CA Peaslee GF Raciti G Rosenberger F Sann H Scardaoni R Schüttauf A Schwarz C Seidel W Serfling V Sobotka LG Stuttge L Tomasevic S Trautmann W Tucholski A Williams C Wörner A Zwieglinski B 《Physical review letters》1994,73(25):3367-3370
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Tsang MB Hsi WC Lynch WG Bowman DR Gelbke CK Lisa MA Peaslee GF Kunde GJ Begemann-Blaich ML Hofmann T Hubele J Kempter J Kreutz P Kunze WD Lindenstruth V Lynen U Mang M Müller WF Neumann M Ocker B Ogilvie CA Pochodzalla J Rosenberger F Sann H Schüttauf A Serfling V Stroth J Trautmann W Tucholski A Wörner A Zude E Zwieglinski B Aiello S Immé G Pappalardo V Raciti G Charity RJ Sobotka LG Iori I Moroni A Scardoni R Ferrero A Seidel W Blaich T Stuttge L Cosmo A Friedman WA Peilert G 《Physical review letters》1993,71(10):1502-1505
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Ogilvie CA Adloff JC Begemann-Blaich M Bouissou P Hubele J Imme G Iori I Kreutz P Kunde GJ Leray S Lindenstruth V Liu Z Lynen U Meijer RJ Milkau U Müller WF Ng C Pochodzalla J Raciti G Rudolf G Sann H Schüttauf A Seidel W Stuttge L Trautmann W Tucholski A 《Physical review letters》1991,67(10):1214-1217
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