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Table of Contents
Supervisor's Foreword; Acknowledgments; Contents; Symbols; Abstract; 1 Introduction; 1.1 Rotation of Deformed Nuclei; 1.1.1 Axial Deformation; 1.1.2 Triaxiality; 1.1.2.1 Chirality; 1.1.2.2 Wobbling; 1.1.2.3 Triaxiality in the A130 Region; 1.2 Previous Cases of Wobbling; 1.3 Motivation; References; 2 Nuclear Models for High Spin Phenomena; 2.1 Introduction; 2.2 The Shell Model; 2.3 The Deformed Shell Model; 2.3.1 Parameterization of Deformation; 2.3.2 The Nilsson Model; 2.4 Collective Rotation; 2.4.1 Rigid Triaxial Rotor Model; 2.4.2 Quasiparticle + Triaxial Rotor; 2.4.3 Pairing.
2.4.4 Tilted Axis Cranking2.4.4.1 Rotation About A Principal Axis; 2.4.4.2 Rotation About A Tilted Axis; 2.5 The Wobbling Mode in Nuclei; 2.5.1 Models of the Wobbling Mode; 2.5.1.1 Simple Wobbling; 2.5.1.2 Transverse Wobbling; 2.5.1.3 Longitudinal Wobbling; 2.5.2 Signatures of Wobbling; References; 3 Experimental Methods; 3.1 Heavy-Ion Fusion-Evaporation Reaction; 3.1.1 Creation and Decay of the Compound Nucleus; 3.1.2 Choice of Beam and Target; 3.2 Gamma-Ray Spectroscopy; 3.2.1 Gamma-Ray Interaction with Matter; 3.2.2 High Purity Germanium Detectors.
3.2.3 Escape Suppression with BGO Detectors3.2.4 The Gammasphere Detector Array; 3.2.5 Indian National Gamma Array; 3.3 Experimental Details; 3.3.1 ATLAS/Gammasphere; 3.3.2 TIFR-BARC Pelletron LINAC/INGA; 3.4 Data Processing; 3.4.1 Calibration; 3.4.2 Level Scheme Determination; 3.4.3 Background Subtraction; 3.4.3.1 Symmetric Gates; 3.4.3.2 Asymmetric Gates; 3.5 Directional Correlation of Gamma Rays from Oriented Nuclei; 3.5.1 Angular Distributions; 3.5.2 DCO Ratios; 3.5.3 Polarization; References; 4 Transverse Wobbling in 135Pr; 4.1 Level Scheme of 135Pr.
4.1.1 Angular Distributions and DCO-Like Ratios4.1.2 Polarizations; 4.2 Description by Theory; 4.3 Discussion; References; 5 Summary and Outlook; References; Appendix A Gammasphere Ring and Detector Information; Appendix B INGA Ring and Detector Information; Appendix C Negative Parity Level and Transition Information; VITA.
2.4.4 Tilted Axis Cranking2.4.4.1 Rotation About A Principal Axis; 2.4.4.2 Rotation About A Tilted Axis; 2.5 The Wobbling Mode in Nuclei; 2.5.1 Models of the Wobbling Mode; 2.5.1.1 Simple Wobbling; 2.5.1.2 Transverse Wobbling; 2.5.1.3 Longitudinal Wobbling; 2.5.2 Signatures of Wobbling; References; 3 Experimental Methods; 3.1 Heavy-Ion Fusion-Evaporation Reaction; 3.1.1 Creation and Decay of the Compound Nucleus; 3.1.2 Choice of Beam and Target; 3.2 Gamma-Ray Spectroscopy; 3.2.1 Gamma-Ray Interaction with Matter; 3.2.2 High Purity Germanium Detectors.
3.2.3 Escape Suppression with BGO Detectors3.2.4 The Gammasphere Detector Array; 3.2.5 Indian National Gamma Array; 3.3 Experimental Details; 3.3.1 ATLAS/Gammasphere; 3.3.2 TIFR-BARC Pelletron LINAC/INGA; 3.4 Data Processing; 3.4.1 Calibration; 3.4.2 Level Scheme Determination; 3.4.3 Background Subtraction; 3.4.3.1 Symmetric Gates; 3.4.3.2 Asymmetric Gates; 3.5 Directional Correlation of Gamma Rays from Oriented Nuclei; 3.5.1 Angular Distributions; 3.5.2 DCO Ratios; 3.5.3 Polarization; References; 4 Transverse Wobbling in 135Pr; 4.1 Level Scheme of 135Pr.
4.1.1 Angular Distributions and DCO-Like Ratios4.1.2 Polarizations; 4.2 Description by Theory; 4.3 Discussion; References; 5 Summary and Outlook; References; Appendix A Gammasphere Ring and Detector Information; Appendix B INGA Ring and Detector Information; Appendix C Negative Parity Level and Transition Information; VITA.