RESEARCH ACTIVITIES II
Department of Molecular Structure

A. Laboratory and Astronomical Spectroscopy of Transient Molecules

1. The Microwave Spectrum of the NH₂ Radical: The Hyperfine Structure of the ²B₁ Ground State
2. Submillimeter-Wave Spectrum of the NH₂ Radical: Line Frequencies for Astronomical Observations in the 900 GHz Region and their Assignment
3. Far-Infrared Spectra of the NH2 Radical Observed by a Laser Sideband Spectrometer
4. The Microwave Spectrum of the NHD Radical in the Ground Electronic State, ²A"
5. Microwave Spectra of the AsH₂ and AsD₂ Radicals in the ²B₁ Ground Electronic State
6. Microwave Spectrum of a New Phosphorus Containing Free Radical, CH₂CP(X²B₁)
7. Microwave Spectrum of NF in the Second Electronically Excited State, b¹(sigma)⁺
8. The Microwave Spectra of Copper Monoxide, CuO (²(PI)_i) and Silver Monoxide, AgO (²(PI)_i)
9. Microwave Spectra of Molecular Ions: Monodeuterated HCNH⁺ and SD₃⁺

B. Development of a Mt. Fuji Submillimeter-Wave Telescope

1. Development of a Wide-Band Acousto Optical Spectrometer(AOS) for the Mt. Fuji Telescope

C. Laser Investigation of Antiproton-Helium Compounds

1. Observation of Double-Resonant Laser-Induced Transitions in the v=n-l-1=2 Metastable Cascade of Antiprotonic ⁴He Atoms
2. Laser Resonance Studies of the Interactions of Metastable Antiprotonic Helium Atomcules p⁴He⁺ with Surrounding H₂ Molecules
3. Hydrogen-Assisted Laser-Induced Resonant Transitions between Metastable States of Antiprotonic Helium Atoms
4. High-Precision Structural Studies of the Antiprotonic Helium Atom p⁴He⁺ by Observing Laser Resonances with (DELTA)v = (DELTA)(n-l-1)=2

D. Laser Cooling and Trapping of Neutral Atoms

1. Branching Ratio of Penning and Associative Ionization Processes due to Ultracold Collision between Laser-Trapped He* Atoms
2. Theoretical Investigation on the He* + He* Ultracold Collision in a Laser Trap

E. Spectroscopy of Ions and Atoms in Liquid Helium

1. Laser Spectroscopy of Ba Ions in Liquid Helium
2. Laser Spectroscopy of Mg Atoms in Liquid Helium

F. Biomolecular Science

1. Purification of Bovine Soluble Guanylate Cyclase and ADP-Ribosylation on Its Small Subunit by Bacterial Toxins
2. Tyrosine Phosphorylation-Induced Changes in Absorption and UV Resonance Raman Spectra of Src-Peptides
3. Resonance Raman, Infrared and EPR Investigation on the Binuclear Site Structure of the Heme-Copper Ubiquinol Oxidases from Acetobacter Aceti: Effect of the Heme Peripheral Formyl Group Substitution
4. Solvent Effects of 1,4-Benzoquinone and Its Anion Radicals Probed by Resonance Raman and Absorption Spectra and Their Correlation with Redox Potentials
5. UV Resonance Raman Studies of Quaternary Structures of Nitrosyl Hemoglobin
6. A Third-Generation UV Resonance Raman Spectrophotometer Using a Solar-Blind ICCD and a Quasi-CW UV Light Source for Biological Applications

G. Fast Dynamics of Photoproducts in Solution Phases

1. Direct Observation of Cooling of Heme upon Photodissociation of Carbonmonoxy Myoglobin
2. Developments of Widely Tunable Light Sources for Picosecond Time-Resolved Resonance Raman Spectroscopy
3. Time-Resolved UV Resonance Raman Detection of a Transient Open Form of the Ligand Pathway in Tyr64(E7) Myoglobin
4. Time-Redolved Resonance Raman Study of Intermediates Generated After Photodissociation of Wild-Type and Mutant CO-Myoglobins
5. Picosecond Time-Resolved Stokes/Anti-Stokes Resonance Raman Study of Non-Planar Nickel-Octaethyltetraphenylporphyrin in Solution 54

H. Molecular and Electronic Structures of Metallofullerenes and the Fullerene Radical Anions

1. Theoretical Prediction on the Molecular Structure of C₆₀^-

I. Site Selective Spectroscopy in Solid Crystals

1. Nuclear Quadrupole Resonance of ¹³⁹La around Pr³⁺ Doped in LaF₃. Raman Heterodyne Detection Using Optical Transition of Pr³⁺ Ions

J. State Correlated Raman Spectroscopy

1. Ordering of Liquid Crystals Studied by Polarized Vibrational Raman Spectroscopy
2. The Analysis of the Vibrational Raman Lines of the Pyridine-Water System Measured by a Tandem Type Spectrograph

K. Double Resonance Spectroscopy Using Two Phase-Locked Lasers

1. Development of a Phase-Locking System between Two Single Mode Lasers
2. Optical-Optical Double Resonance Study on the D₂ Line of Rubidium Atom

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