High Angular Momentum States Populated in Fragmentation Reactions

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.

Gerl, J (author)
Hellström, MargaretaLund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science(Swepub:lu)nate-mgh (author)
Becker, F (author)
Gladnishki, KA (author)
Gorska, M (author)
Kelic, A (author)
Kopatch, Y (author)
Mandal, S (author)
Regan, PH (author)
Schmidt, KH (author)
Walker, PM (author)
Wollersheim, HJ (author)
Banu, A (author)
Benzoni, G (author)
Boardman, H (author)
Casarejos, E (author)
Ekman, J (author)
Geissel, H (author)
Grawe, H (author)
Hohn, D (author)
Kojouharov, I (author)
Leske, J (author)
Lozeva, R (author)
Mineva, MilenaLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-mmi (author)
Neyens, G (author)
Page, RD (author)
Pearson, CJ (author)
Portillo, M (author)
Rudolph, DirkLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-dru (author)
Saito, N (author)
Schaffner, H (author)
Sohler, D (author)
Summerer, K (author)
Valiente-Dobon, JJ (author)
Wheldon, C (author)
Weick, H (author)
Winkler, M (author)
Institutionen för naturgeografi och ekosystemvetenskapNaturvetenskapliga fakulteten (creator_code:org_t)

In:Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics: Elsevier BV632:2-3, s. 203-2060370-2693

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Subatomic Physic ...

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