DECAYS OF THE Tz = -2 NUCLEI 20Mg, 24Si AND 36Ca

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Beta-delayed protons have been observed from the decays of the mass separated T{sub z} = -2 nuclides {sup 20}Mg, {sup 24}Si, and {sup 36}Ca. From these proton spectra the mass excesses of the lowest T = 2 states in the T{sub z} = -1 nuclei {sup 20}Na, {sup 24}Al, and {sup 36}K are determined to be 13420 {+-} 50 keV ({sup 20}Na), 5903 {+-} 9 keV ({sup 24}Al), and - 13168 {+-} 22 keV ({sup 36}K). The complete A = 20, 24, and 36 isospin quintets have all their members bound against isospin allowed particle-decay modes, providing a stringent test ... continued below

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35 p.

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Aysto, J.; Cable, M.D.; Parry, R.F.; Wouters, J.M.; Moltz, D.M. & Cerny, J. June 1, 1980.

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Beta-delayed protons have been observed from the decays of the mass separated T{sub z} = -2 nuclides {sup 20}Mg, {sup 24}Si, and {sup 36}Ca. From these proton spectra the mass excesses of the lowest T = 2 states in the T{sub z} = -1 nuclei {sup 20}Na, {sup 24}Al, and {sup 36}K are determined to be 13420 {+-} 50 keV ({sup 20}Na), 5903 {+-} 9 keV ({sup 24}Al), and - 13168 {+-} 22 keV ({sup 36}K). The complete A = 20, 24, and 36 isospin quintets have all their members bound against isospin allowed particle-decay modes, providing a stringent test of the isobaric multiplet mass equation. Good agreement is observed for all these quintets using only the quadratic form of this equation. Radioactivity {sup 20}Mg, {sup 24}Si, {sup 36}Ca (mass separated); measured {beta}-delayed protons; deduced T{sub 1/2} and proton branching; derived mass excesses of the lowest 0{sup +}, T = 2 states in {sup 20}Na, {sup 24}Al, and {sup 36}K; deduced coefficients of the isobaric multiplet mass equation.

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35 p.

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  • Journal Name: Physical Review C; Journal Volume: 23; Journal Issue: 2

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  • Report No.: LBL-11193
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 1000028
  • Archival Resource Key: ark:/67531/metadc837523

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  • June 1, 1980

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  • May 19, 2016, 3:16 p.m.

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  • June 15, 2016, 6:59 p.m.

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Aysto, J.; Cable, M.D.; Parry, R.F.; Wouters, J.M.; Moltz, D.M. & Cerny, J. DECAYS OF THE Tz = -2 NUCLEI 20Mg, 24Si AND 36Ca, article, June 1, 1980; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc837523/: accessed September 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.