Breakdown of the isobaric multiplet mass equation at A = 33, T = 3/2 |
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Authors: | Herfurth F Dilling J Kellerbauer A Audi G Beck D Bollen G Kluge H J Lunney D Moore R B Scheidenberger C Schwarz S Sikler G Szerypo J |
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Institution: | GSI, Planckstrasse 1, D-64291 Darmstadt, Germany. Frank.Herfurth@cern.ch |
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Abstract: | Mass measurements on (33,34,42,43)Ar were performed using the Penning trap mass spectrometer ISOLTRAP and a newly constructed linear Paul trap. This arrangement allowed us, for the first time, to extend Penning trap mass measurements to nuclides with half-lives below one second ( 33Ar: T(1/2) = 174 ms). A mass accuracy of about 10(-7) (deltam approximately 4 keV) was achieved for all investigated nuclides. The isobaric multiplet mass equation was checked for the A = 33, T = 3/2 quartet and found to be inconsistent with the generally accepted quadratic form. |
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