Gamow-Teller strengths in proton-rich exotic nuclei deduced in the combined analysis of mirror transitions
- Fujita, Y
- Adachi, T
- von Brentano, P
- Berg, GPA
- 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, KO
Publication date
November 2005
DOIAbstract
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 T-z=+1 -> 0, Cr-50(He-3,t)Mn-50 study at 0 degrees in combination with the decay Q value and lifetime from the T-z=-1 -> 0, Fe-50 ->Mn-50 beta decay. This method can be applied to other pf-shell nuclei and can be used to study GT strengths of astrophysical interest.</p
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