Energy levels of 56Mn

P. H. M. Van Assche, H. A. Baader, H. R. Koch, B. P. K. Maier, U. Gruber, 0. W. B. Schult, J.B. McGrory, J.R. Comfort, R. Rimawi, R. E. Chrien, O.A. Wasson, D.I. Garber

    Research output: Contribution to journalJournal articleResearchpeer-review


    The low-energy spectrum of the 55Mn(n,γ)56 Mn reaction has been studied with a γ-diffraction spectrometer. These data allowed the construction of a level scheme for 56Mn with two previously unobserved doublets. High-energy γ-transitions to the low-energy states have been measured for different neutron resonances at the BNL fast neutron chopper. For most states a unique spin and parity could be proposed. A shell-model calculation of the structure of the low-lying states of 56Mn has been carried out with the Oak Ridge- Rochester computer programme; there are plausible theoretical analogues for 11 of the 12 experimentally observed states. Calculated spectroscopic factors and M1 transition probabilities are in qualitative agreement with the experiment
    Original languageEnglish
    JournalNuclear Physics A: Nuclear and Hadronic Physics
    Issue number2
    Pages (from-to)367-384
    Publication statusPublished - 1971


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