Observation of ^{10}Be Emission in the Cold Ternary Spontaneous Fission of ^{252}Cf
A. V. RamayyaPhysics Department, Vanderbilt University, Nashville, Tennessee 37235J. K. HwangPhysics Department, Vanderbilt University, Nashville, Tennessee 37235J. H. HamiltonPhysics Department, Vanderbilt University, Nashville, Tennessee 37235A. SãndulescuInstitute for Atomic Physics, Bucharest, P.O. Box MG-6, RomaniaA. FlorescuInstitute for Atomic Physics, Bucharest, P.O. Box MG-6, RomaniaG. M. Ter–AkopianJoint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37830A. V. DanielJoint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37830Yu. Ts. OganessianJoint Institute for Nuclear Research, Dubna 141980, RussiaG. S. PopekoJoint Institute for Nuclear Research, Dubna 141980, RussiaWalter GreinerInstitute für Theoretische Physik der J. W. Goethe Universität, D-60054, Frankfurt am Main, GermanyJ. D. ColeIdaho National Engineering Laboratory, Idaho Falls, Idaho 83415-2114
1998en
ABI
Аннотация
The emission of ${}^{10}\mathrm{Be}$ in ternary cold neutronless spontaneous fission of ${}^{252}\mathrm{Cf}$ is observed with the Gammasphere consisting of 72 detectors. The $\ensuremath{\gamma}$ ray corresponding to the decay of the first ${2}^{+}$ state in ${}^{10}\mathrm{Be}$ is observed in coincidence with the $\ensuremath{\gamma}$ rays of the fission partners of ${}^{96}\mathrm{Sr}$ and ${}^{146}\mathrm{Ba}$. The yield to the first excited state of ${}^{10}\mathrm{Be}$ in the ${}^{96}\mathrm{Sr}{\ensuremath{-}}^{146}\mathrm{Ba}$ split is the order of $4.0\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}4}$ per 100 fission events.
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