STUDY OF ISOMER PRODUCTION RATES FOR A = 142-152 AND Z = 62-67 IN FRAGMENTATION OF A RELATIVISTIC 208Pb BEAM.

Authors :: Myalski, S.
Maj, A.
Podolyák, Zs.
Kmiecik, M.
Bednarczyk, P.
Grębosz, J.
Regan, P. H.
Garnsworthy, A. B.
Pietri, S.
Rudolph, D.
Steer, S. J.
Becker, F.
Gerl, J.
Górska, M.
Grawe, H.
Kojouharov, I.
Schaffner, H.
Wollersheim, H. J.
Prokopowiczc, W.
Benzoni, G.
Source :: Acta Physica Polonica B; Feb2012, Vol. 43 Issue 2, p253-259, 7p
Publication Year :: 2012
Abstract: We have investigated nuclear fragmentation reactions of a relativistic <superscript>208</superscript>Pb beam.Ten isomeric states for nuclei with A = 142-152 and Z = 62-67 were observed. Measured isomeric ratios were compared, together with values from other experiments, with prediction of theoretical models. The discrepancies between the experimental and theoretical values were discussed in terms of transitions by-passing the isomer that are not included in the models. [ABSTRACT FROM AUTHOR]

Subjects :: NUCLEAR fragmentation
NUCLEAR isomers
RELATIVITY (Physics)
LEAD isotopes
PARTICLE beams
PREDICTION models
RADIATIVE transitions

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