<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Z</mml:mi><mml:mo>=</mml:mo><mml:mn>50</mml:mn></mml:math>Shell Gap near<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi>Sn</mml:mi><mml:mprescripts/><mml:none/><mml:mn>100</mml:mn></mml:mmultiscripts></mml:math>from Intermediate-Energy Coulomb Excitations in Even-Mass<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi>Sn</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>106</mml:mn><mml:mo>−</mml:mo><mml:mn>112</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>Isotopes
C. VamanNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAC. AndreoiuDepartment of Physics, University of Guelph, Guelph, Ontario N1G 2W1, CanadaD. BazinNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAA. BecerrilDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAB. A. BrownDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAC. M. CampbellDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAA. ChesterDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAJ. M. CookDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAD.‐C. DincaDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAA. GadeDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAD. GalavizNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAT. GlasmacherDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAM. Hjorth‐JensenDepartment of Physics and Center of Mathematics for Applications, University of Oslo, N-0316, Oslo, NorwayMihai HoroiDepartment of Physics, Central Michigan University, Mount Pleasant, Michigan 48859, USAD. MillerDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAV. MoellerDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAW. F. MuellerNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAA. SchillerNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAK. StarostaDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAA. StolzNational Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USAJ. R. TerryDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAAlexander VolyaPhysics Department, Florida State University, Tallahassee, Florida 32306, USAVladimir ZelevinskyDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USAHelmut T. ZwahlenDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA
2007lv
ABI
Аннотация
Rare isotope beams of neutron-deficient 106,108,110Sn from the fragmentation of 124Xe were employed in an intermediate-energy Coulomb excitation experiment. The measured B(E2,0(1)(+)-->2(1)(+)) values for 108Sn and 110Sn and the results obtained for the 106Sn show that the transition strengths for these nuclei are larger than predicted by current state-of-the-art shell-model calculations. This discrepancy might be explained by contributions of the protons from within the Z = 50 shell to the structure of low-energy excited states in this region.
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