Beta-delayed proton emission from 21Mg
Abstract
Beta-delayed proton emission from 21Mg has been measured at ISOLDE, CERN, with a detection setup including particle identification capabilities. β-delayed protons with center of mass energies between 0.39\,MeV and 7.2\,MeV were measured and used to determine the half life of 21Mg as 118.6 0.5\,ms. From a line shape fit of the β p branches we extract spectroscopic information about the resonances of 21Na. Finally an improved interpretation of the decay scheme in accordance with the results obtained in reaction studies is presented.
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