Maqola

Yrast Excitations around Doubly Magic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow/><mml:mrow><mml:mn>132</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi>Sn</mml:mi></mml:math>from Fission Product<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>γ</mml:mi></mml:math>-Ray Studies

C. T. ZhangChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907P. BhattacharyyaChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907P.J. DalyChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907R. BrodaChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907Z. W. GrabowskiChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907D. NisiusChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907I. AhmadPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439T. IshiiChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907M. P. CarpenterChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907Lester R. MorssPhysics Division, Argonne National Laboratory, Argonne, Illinois 60439W. R. PhillipsDepartment of Physics and Astronomy, University of Manchester, M13 9PL Manchester, United Kingdom;John DurellChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907M. J. LeddyChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907A. G. SmithChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907W. UrbanChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907B. J. VarleyDepartment of Physics and Astronomy, University of Manchester, M13 9PL Manchester, United Kingdom;N. SchulzChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907E. LubkiewiczChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907M. BentalebChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907J. BlomqvistChemistry and Physics Departments, Purdue University, West Lafayette, Indiana 47907

Physical Review Lettersjournal1996lv

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Annotatsiya

Prompt $\ensuremath{\gamma}$-ray cascades in neutron-rich nuclei around doubly magic ${}^{132}\mathrm{Sn}$ have been studied at Eurogam II using a ${}^{248}\mathrm{Cm}$ fission source. Yrast states to above 5.5 MeV in the two- and three-proton $N\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}82$ isotones ${}^{134}\mathrm{Te}$ and ${}^{135}\mathrm{I}$ are reported. They are interpreted in terms of valence proton and particle-hole core excitations with the help of shell model calculations employing empirical nucleon-nucleon interactions from both ${}^{132}\mathrm{Sn}$ and ${}^{208}\mathrm{Pb}$ regions. A serious inconsistency in the accepted masses of $N\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}82$ isotones near ${}^{132}\mathrm{Sn}$ is discovered but not resolved.

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Mavzular

Nuclear physics research studies Nuclear Physics and Applications High-pressure geophysics and materials

Identifikatorlar

DOI: 10.1103/physrevlett.77.3743

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