Nuclear shape dependence of Gamow-Teller distributions in neutron-deficient Pb isotopes
نویسندگان
چکیده
منابع مشابه
Determination of the Gamow–Teller strength function for the neutron-deficient isotopes
The Gamow–Teller β decays of the neutron-deficient indium isotopes 104–107In have been investigated by using total absorption γ -ray spectrometry on mass-separated sources. The experimental Gamow–Teller strength, deduced as a function of the excitation energy in the daughter nuclei 104–107Cd, is compared to shell-model predictions. 2001 Elsevier Science B.V. All rights reserved.
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Recent mass measurements show a substantial weakening of the binding energy difference δ2p(Z,N) = E(Z − 2, N)− 2E(Z,N) +E(Z + 2, N) in the neutron-deficient Pb isotopes. As δ2p is often attributed to the size of the proton magic gap, it might be speculated that reduction in δ2p is related to a weakening of the spherical Z = 82 shell. We demonstrate that the observed trend is described quantitat...
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a Department of Physics, Western Michigan University, Kalamazoo, MI 49008-5252, USA b National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824-1321, USA c Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824-1321, USA d Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824-1321, USA e...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 2005
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.72.054317