High Angular Momentum States Populated in Fragmentation Reactions

Z Podolyak, J Gerl, Margareta Hellström, F Becker, KA Gladnishki, M Gorska, A Kelic, Y Kopatch, S Mandal, PH Regan, KH Schmidt, PM Walker, HJ Wollersheim, A Banu, G Benzoni, H Boardman, E Casarejos, J Ekman, H Geissel, H GraweD Hohn, I Kojouharov, J Leske, R Lozeva, Milena Mineva, G Neyens, RD Page, CJ Pearson, M Portillo, Dirk Rudolph, N Saito, H Schaffner, D Sohler, K Summerer, JJ Valiente-Dobon, C Wheldon, H Weick, M Winkler

Research output: Contribution to journalLetterpeer-review

Abstract

The population of metastable states produced in relativistic-energy fragmentation of a U-238 beam has been measured. For states with angular momentum greater than or similar to 20h, a much higher population than expected has been observed. By introducing a collective component to the generation of angular momentum the experimental data can be understood. This is the first time that a collective degree of freedom has be shown to play a major role in such high-energy collisions. (c) 2005 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)203-206
JournalPhysics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume632
Issue number2-3
DOIs
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Subatomic Physics

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