Systematic trends in beta-delayed particle emitting nuclei: The case of emission from ²¹Mg

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• 作者：M.V. Lund^a ; ^{mvl07@phys.au.dk" class="auth_mail" title="E-mail the corresponding author} ; M.J.G. Borge^b ; ^c ; J.A. Briz^c ; J. Cederkä ; ll^d ; H.O.U. Fynbo^a ; J.H. Jensen^a ; B. Jonson^e ; K.L. Laursen^a ; T. Nilsson^e ; A. Perea^c ; V. Pesudo^c ; K. Riisager^a ; O. Tengblad^c
• 关键词：Beta decay ; Multi-particle emission ; 21Mg
• 刊名：Physics Letters B
• 出版年：2015
• 出版时间：12 November 2015
• 年：2015
• 卷：750
• 期：Complete
• 页码：356-359
• 全文大小：748 K

文摘

We have observed β⁺${\mathrm{<font\; color="red">\beta </font>}}^{+}$-delayed α   and pα$\mathrm{p}\alpha$ emission from the proton-rich nucleus ²¹Mg produced at the ISOLDE facility at CERN. The assignments were cross-checked with a time distribution analysis. This is the third identified case of βpα$\mathrm{<font\; color="red">\beta </font>}\mathrm{p}\alpha$ emission. We discuss the systematic of beta-delayed particle emission decays, show that our observed decays fit naturally into the existing pattern, and argue that the patterns are to a large extent caused by odd–even effects.