Mass and excited states of 12Be

D. E. Alburger, S. Mordechai, H. T. Fortune, R. Middleton

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


The 10Be(t,p)12Be reaction has been studied with a 94% enriched 10BeO target, a 17-MeV triton beam, and a multiangle magnetic spectrograph. Proton groups from the (t,p) reaction on 12C and 16O in the target served for energy calibration. An average of data at four angles gives a Q0 value of -4809 ± 15 keV, from which the mass excess of 12Be is calculated to be 25,077.5 ± 15 keV. Excited states of Be12 are found at 2089 ± 20, (2712 ± 20, tentative), 4559 ± 25, and 5703 ± 25 keV. The mass excess of 12Be, plus earlier data for A=12, T=2, gives a value of d=+2.8±8.6 keV for the coefficient of the cubic term in the isobaric multiplet mass equation. NUCLEAR STRUCTURE 12Be: measured Q values for proton groups in 10Be(t,p)12Be reaction; derived 12Be mass excess, Eexc of 12Be excited states, IMME coefficients.

Original languageEnglish
Pages (from-to)2727-2730
Number of pages4
JournalPhysical Review C - Nuclear Physics
Issue number6
StatePublished - 1 Jan 1978
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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