Abstract

The high resolution magnetic spectrometer BIG KARL was used to investigate the low-lying states of 103Ru by 102Ru(d, p) and 104Ru(p,d) reactions at E d = 45 MeV and E p = 29 MeV. The resolution of ΔE E = (1.7–2.5) × 10 −4 was sufficient to separate most of the known states up to E x = 1 MeV excitation energy. For these levels differential cross sections have been measured in the range of θ lab = 4°–43°. A DWBA analysis has been employed in order to determine orbital angular momenta and obtain spectroscopic factors. These were used to make a number of tentative spin and parity assignments. In addition several weakly excited states in 103Ru could be identified and excitation energies have been determined to about ±2 keV.

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