Isospin symmetry and proton decay: Identification of the 10(+) isomer in (54)Ni
- Rudolph, D
- Hoischen, R
- Hellstrom, M
- Pietri, S
- Podolyak, Zsolt
- Regan, PH
- Garnsworthy, AB
- Steer, SJ
- Becker, F
- Bednarczyk, P
- Caceres, L
- Doornenbal, P
- Gerl, J
- Gorska, M
- Grebosz, J
- Kojouharov, I
- Kurz, N
- Prokopowicz, W
- Schaffner, H
- Wollersheim, HJ
- Andersson, L-L
- Atanasova, L
- Balabanski, DL
- Bentley, MA
- Blazhev, A
- Brandau, C
- Brown, JR
- Fahlander, C
- Johansson, EK
- Jungclaus, A
- Lenzi, SM
Publication date
March 2020
DOI Publisher
American Physical Society (APS) Journal
Physical Review CAbstract
The gamma decays from an isomeric 10(+) state at 6457 keV in the nucleus Ni-54(28)26 have been identified using the GSI fragment separator in conjunction with the RISING Ge-detector array. The state is interpreted as the isobaric analog of the 6527-keV 10(+) isomer in Fe-54(26)28.The results are discussed in terms of isospin-dependent shell-model calculations. Clear evidence is presented for a discrete l = 5 proton decay branch into the first excited 9/2(-) state of the daughter Co-53. This decay is the first of its kind observed following projectile fragmentation reactions.</p
Add to ORKG