On the -decay of C

High-resolution study of theBe9(He3,Scholl1, Fujita2, Adachi3 et al. 2011Phys. Rev. C492220View full textAdd to dashboardCite

“…5(a). 2 The error is derived from the error of the systematics indicated in [16] (5% forσ GT and 15% forσ Table III. (b) The same pattern is seen in the "reverse" transition, which shows the distribution of B(GT) strengths obtained from the β + decay of 9 C (data from [26], [34] and [35]). The 9 C β + decay exhibits strong GT transitions to the highly excited states in 9 B, and weak GT transition strengths to the lowlying states.…”

“…5). As mentioned, the β + decay of 9 C to 9 B [34,35,38] and the β − decay of 9 Li to 9 Be [37] have been measured with high precision. These measurements show that the transitions from the ground states of these nuclei to the ground states of 9 Be and 9 B have very weak B(GT) strengths, while transitions to the highly excited states have very large B(GT) strengths.…”

“…4). Studies of the 9 C β + decay were carried out by Buchmann et al [34], Bergmann et al [35] and Mikolas et al [36], and studies of the 9 Li β − decay by Nyman et al [37] and Prezado et al [38].…”

Study of the Beta-delayed multiple particle break-up of the 2.43 MeV state in Be-9

“…The α(αn,γ) 9 Be reaction occurs mainly through the ground and 2 + states in 8 Be [1,2] populating the first and third excited states in 9 Be. Recent calculations by Buchmann et al [1] show that, at high temperatures, reaction channels through excited states in 9 Be above the 1/2 + are favoured.…”

“…Our recent studies [8,9,10] on β -delayed multi-particle break-up have shown that full kinematic coverage allows to univocally determine the decay mechanism. This technique has been successfully used to determine the decay mechanism of the low-energy states in 9 Be [6].…”