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AbstractAbstract
[en] The abundant experimental information on low- and high-energy M1 excitations in 46,48Ti, obtained recently through (e, e'), (p, p') and (γ, γ') experiments, is well described within a quasiparticle RPA approach, based on a deformed Woods-Saxon potential plus spin-spin and quadrupole-quadrupole interactions. It includes a procedure which restores the rotational invariance of the hamiltonian. The low-lying strong M1 states overlap up to 36% with the scissors state of the two rotor model. These states, as well as some medium-energy 1+ excitations, represent a weakly collective scissors motion, more pronounced in 46Ti than in 48Ti. The titanium isotopes offer a better approximation to the scissors state than do the heavy nuclei because in lighter nuclei the scissors state is less collective. (orig.)
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CONTRACT BMFT 06TUE714
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Journal Article
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Numerical Data
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CURRENT DENSITY, DEFORMED NUCLEI, DWBA, ELECTROMAGNETIC FORM FACTORS, ELECTRON REACTIONS, ELECTRONS, ENERGY DEPENDENCE, ENERGY GAP, EXCITATION, EXCITED STATES, HAMILTONIANS, INELASTIC SCATTERING, J-J COUPLING, M1-TRANSITIONS, MEAN-FIELD THEORY, NUCLEAR DEFORMATION, NUCLEAR STRUCTURE, QUASI PARTICLES, RANDOM PHASE APPROXIMATION, ROTATIONAL INVARIANCE, STRENGTH FUNCTIONS, THEORETICAL DATA, TITANIUM 46, TITANIUM 46 TARGET, TITANIUM 48, TITANIUM 48 TARGET, TITANIUM ISOTOPES, WOODS-SAXON POTENTIAL
BORN APPROXIMATION, COUPLING, DATA, DEFORMATION, ELEMENTARY PARTICLES, ENERGY LEVELS, ENERGY-LEVEL TRANSITIONS, EVEN-EVEN NUCLEI, FERMIONS, FORM FACTORS, FUNCTIONS, INFORMATION, INTERMEDIATE COUPLING, INTERMEDIATE MASS NUCLEI, INVARIANCE PRINCIPLES, ISOTOPES, LEPTON REACTIONS, LEPTONS, MATHEMATICAL OPERATORS, MULTIPOLE TRANSITIONS, NUCLEAR POTENTIAL, NUCLEAR REACTIONS, NUCLEI, NUMERICAL DATA, PARTICLE PROPERTIES, POTENTIALS, QUANTUM OPERATORS, SCATTERING, STABLE ISOTOPES, TARGETS
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