High angular momentum states populated in fragmentation reactions
- Podolyák, Zs.
- Gerl, J.
- Hellström, M.
- Becker, F.
- Gladnishki, K.A.
- Górska, M.
- Kelić, A.
- Kopatch, Y.
- Mandal, S.
- Regan, P.H.
- Schmidt, K.-H.
- Walker, P.M.
- Wollersheim, H.J.
- Banu, A.
- Benzoni, G.
- Boardman, H.
- Casarejos, E.
- Ekman, J.
- Geissel, H.
- Grawe, H.
- Hohn, D.
- Kojouharov, I.
- Leske, J.
- Lozeva, R.
- Mineva, M.N.
- Neyens, G.
- Page, R.D.
- Pearson, C.J.
- Portillo, M.
- Rudolph, D.
- Saito, N.
- Schaffner, H.
- Sohler, D.
- Sümmerer, K.
- Valiente-Dobón, J.J.
- Wheldon, C.
- Weick, H.
- Winkler, M.
DOIAbstract
AbstractThe population of metastable states produced in relativistic-energy fragmentation of a 238U beam has been measured. For states with angular momentum ≳20ℏ, 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
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