Abstract
The first five excited states of 28Mg have been studied by observing γ-rays from the 26Mg(t,pγ) 28Mg reaction, in coincidence with protons, in NaI(Tl) and Ge(Li) detectors, at incident energies between 2.5 and 3.2 MeV. Doppler-shift attenuation measurements lead to the mean-lives τ m = 2.0±0.4 ps, 1.1±0.3 ps and 96±30 fs for the levels at 1.47, 3.86 and 4.02 MeV, respectively, and to upper limits of τ m < 50 fs and < 120 fs for the levels at 4.56 and 4.88 MeV. Angular correlation measurements (method II) were used to determine spins, mixing ratios and γ-branching ratios. The 4.02 MeV level has most probably J γ = 4 +.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.