| Budget Amount *help |
¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Research Abstract |
Photodissociations of various molecules in vacuo were studied by using an electrostatic storage ring. For fluorescein monoanions, wavelength spectra depend strongly on the storage time of ions before laser irradiation. It was deduced that the spectra originated from various tautomers of fluorescein monoanions. Interconversion of these tautomers occurs during storage in the storage ring. Similar results were obtained for orange I monoanions. For chlorophyll a and b monoanions, time spectra consist of fast and slow decay components. A statistical model well simulates these decay spectra and the activation energies were found to be approximately 0.6 eV for both. The measured wavelength spectra were markedly different from the photoabsorption spectra of the chlorophylls in the solution phase.
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