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Investigation of Tellurium-130 Nuclear Structure Using Inelastic Neutron Scattering.

机译:利用非弹性中子散射研究碲-130核结构。

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The purpose of nuclear structure research is to understand the features of the nuclear force that determine the various ways a nucleus can behave upon excitation. Theoretical model calculations are compared to experimental data in order to understand which models better predict different nuclear properties. The tellurium-130 nucleus has two valence protons with respect to a closed proton shell and several different types of nuclear structure behavior are thought to be active. Experimental data were collected at the University of Kentucky Nuclear Structure Laboratory using a technique called inelastic neutron scattering. By scattering neutrons off of (130)Te, the nucleus was excited, and the resulting de-excitation gamma rays recorded as 130(Te) excited states relaxed. Through analytical techniques, the energy level scheme has been constructed, and spectroscopic information such as lifetimes, level spins, and branching ratios has been obtained. The behavior of the 130(Te) nucleus was examined from the viewpoints of the General Collective Model and the Particle-Core Vibration Model. The General Collective Model was found to be inadequate. The Particle-Core Vibration Model shows promise, but the best technique to improve the understanding of the observed level scheme and properties may still have to await the availability of large-scale Shell Model calculations.

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