High-spin states in 46Ti have been investigated with the reaction 28Si(24Mg,α2p) at 100 MeV, using the GASP γ-ray array and the charged-particle detector ISIS. The positive parity yrast sequence has been observed up to the 14+ terminating state and several high-energy transitions have been established above the termination state. Both the signatures of a negative parity band have been observed up to the 16- and 17- terminating states, plus one more transition from an 18- state at 19.086 MeV excitation. The observed states are interpreted within the frame of large scale shell model calculations in the full pf space (positive parity) and as particle-hole excitations from the d3/2 shell (negative parity).
Band terminations in the nucleus 46Ti
LENZI, SILVIA MONICA;BRANDOLINI, FRANCO;LUNARDI, SANTO;
2003
Abstract
High-spin states in 46Ti have been investigated with the reaction 28Si(24Mg,α2p) at 100 MeV, using the GASP γ-ray array and the charged-particle detector ISIS. The positive parity yrast sequence has been observed up to the 14+ terminating state and several high-energy transitions have been established above the termination state. Both the signatures of a negative parity band have been observed up to the 16- and 17- terminating states, plus one more transition from an 18- state at 19.086 MeV excitation. The observed states are interpreted within the frame of large scale shell model calculations in the full pf space (positive parity) and as particle-hole excitations from the d3/2 shell (negative parity).
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