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Gamow-teller strengths in proton-rich exotic nuclei deduced in the combined analysis of mirror transitions |
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| Authors: | Fujita Y Adachi T von Brentano P Berg G P A Fransen C De Frenne D Fujita H Fujita K Hatanaka K Jacobs E Nakanishi K Negret A Pietralla N Popescu L Rubio B Sakemi Y Shimbara Y Shimizu Y Tameshige Y Tamii A Yosoi M Zell K O |
| Institution: | Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, Japan. fujita@rcnp.osaka-u.ac.jp |
| Abstract: | Isospin symmetry is expected for the T(z)=+/-1-->0 isobaric analogous transitions in isobars with mass number A, where T(z) is the z component of isospin T. Assuming this symmetry, strengths of analogous Gamow-Teller (GT) transitions within A = 50 isobars were determined from a high energy-resolution study at 0 degrees in combination with the decay Q value and lifetime from the beta decay. This method can be applied to other pf-shell nuclei and can be used to study GT strengths of astrophysical interest. |
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