Measurement of Lifetimes in 23Mg

Authors :: Kirsebom, O. S.
Bender, P.
Cheeseman, A.
Christian, G.
Churchman, R.
Cross, D. S.
Davids, B.
Evitts, L. J.
Fallis, J.
Galinski, N.
Garnsworthy, A. B.
Hackman, G.
Lighthall, J.
Ketelhut, S.
Machule, P.
Miller, D.
Nobs, C. R.
Pearson, C. J.
Rajabali, M. M.
Radich, A. J.
Rojas, A.
Ruiz, C.
Sanetullaev, A.
Unsworth, C. D.
Wrede, C.
Source :: Phys. Rev. C 93, 025802 (2016)
Publication Year :: 2015
Abstract: Several lifetimes in 23Mg have been determined for the first time using the Doppler-shift attenuation method. A Monte Carlo simulation code has been written to model the gamma-ray line shape. An upper limit of 12 fs at the 95% C.L. has been obtained for the astrophysically important 7787 keV state.

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