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Phys. Rev. C 71, 055804 (2005) [6 pages]

Mass measurements of 22Mg and 26Si via the 24Mg(p,t)22Mg and 28Si(p,t)26Si reactions

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A. Parikh1, J. A. Caggiano1,*, C. Deibel1, J. P. Greene2, R. Lewis1, P. D. Parker1, and C. Wrede1
1Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USA
2Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA

Received 31 January 2005; published 19 May 2005

Using a 33 MeV proton beam with our Enge split-pole spectrograph, we measured the Q0 values of the 24Mg(p,t)22Mg and 28Si(p,t)26Si reactions relative to that of the 16O(p,t)14O reaction. Data were obtained at scattering angles of 15° and 25°. Based on the masses of 24Mg, 28Si, 16O, 14O,p, and t, we determined the mass excesses of 22Mg and 26Si to be −400.5(1.0) and −7139.5(1.0) keV, respectively. Our result for the mass of 22Mg is in excellent agreement with recent high-precision measurements.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.71.055804
DOI:
10.1103/PhysRevC.71.055804
PACS:
21.10.Dr, 26.30.+k, 27.30.+t, 25.40.Hs

*Present address: TRIUMF, Vancouver, British Columbia, Canada V6T 2A3.