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Beta-delayed proton emission from 21Mg

M. V. Lund ; M. J. G. Borge ; J. A. Briz ; J. Cederkäll ; H. O. U. Fynbo ; J. H. Jensen ; Björn Jonson (Institutionen för fundamental fysik) ; K. L. Laursen ; Thomas Nilsson (Institutionen för fundamental fysik) ; A. Perea ; V. Pesudo ; K. Riisager ; O. Tengblad
European Physical Journal A (1434-6001). Vol. 51 (2015), 9, p. Art. no. 113.
[Artikel, refereegranskad vetenskaplig]

Beta-delayed proton emission from 21Mg has been measured at ISOLDE, CERN, with a detection setup consisting of two charged-particle telescopes surrounding the decay point. Altogether 27 βp branches were measured with center-of-mass energies between 0.4–7.2 MeV. Seven new βp branches were observed. Beta-delayed protons were used to determine the half-life of 21Mg as 118.6 ± 0.5 ms. From a line shape fit of the βp branches we extract the widths, spins, and parities of the resonances of 21Na. An improved interpretation of the decay scheme in accordance with the results obtained in reaction studies is presented.

Denna post skapades 2015-10-07. Senast ändrad 2015-10-21.
CPL Pubid: 223733


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Institutioner (Chalmers)

Institutionen för fundamental fysik (2005-2015)


Subatomär fysik

Chalmers infrastruktur