Microwave Spectroscopy of Carbon-chain Molecules by Laser Evaporation
Microwave Spectroscopy of Carbon-chain Molecules by Laser Evaporation
批准号:
03640426
负责人:
YAMAMOTO Satoshi
金额:
$1.28万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for General Scientific Research (C)
财政年份:
1991
资助国家:
日本
项目状态:
已结题
起止时间:
1991 至 1992
中文摘要
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英文摘要
An apparatus for laser evaporation has been developed to measure the microwave spectrum of transient species such as free radicals and molecular ions. For this purpose, a stainless-steel vacuum chamber evacuated by an oil diffusion pump (7000 1/s) is constructed. This apparatus is combined with a Fourier transform microwave spectrometer newly developed. The sensitivity tests are carried out by observing the J=1-0 line of various isotopic species of OCS. The line of ^<18>O^<13>CS whose abundance is 0.002 % is easily observed with accumulation of 1000 shots. An optical system for laser evaporation by the ArF laser is now being built. After completion this, we will be able to measure the microwave spectra of transient species produced by laser evaporation.
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Masataka Mizushima: "Microwave Absorption Lines of ^<16>O^<18>O in Its(X^3Σg^-,υ=0)State" Journal of Molecular Spectroscopy. 148. 447-452 (1991)
Masataka Mizushima:“^<16>O^<18>O 在其(X^3Σg^-,υ=0)状态下的微波吸收线”分子光谱学杂志 148. 447-452 (1991)。
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通讯作者:
S.Yamamoto, H.Mikami, S.Saito, N.Kaifu, M.Ohishi, and K.Kawaguchi: "SiO in Barnard 1" Publ. Astron. Soc. Japan. 44. 459-467 (1992)
S.Yamamoto、H.Mikami、S.Saito、N.Kaifu、M.Ohishi 和 K.Kawaguchi:“Barnard 1 中的 SiO”Publ。
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Satoshi Yamamoto: "Laboratory Observation of the ^3P_1ー ^3P_0 Transition of the Neutral Carbon Atom by Submillimeter Absorption Spectroscopy" Astrophysical Journal. 370. L103-L105 (1991)
Satoshi Yamamoto:“通过亚毫米吸收光谱对中性碳原子^3P_1ー^3P_0转变的实验室观察”天体物理学杂志370。L103-L105(1991)。
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S.Yamamoto: "SiO in Rarnard l" Publ.Astron.Soc.Japan. 44. 459-467 (1992)
S.Yamamoto:“Rarnard l 中的 SiO”Publ.Astron.Soc.Japan。
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F.Lovas: "Microwave spectra and electric dipole moments for low-J levels of interstellar radicals:SO,C_2S,C_3S,c-HC_3,CH_2CC,and c-C_3H_2" Astrophys.J.399. 325-329 (1992)
F.Lovas:“星际自由基低 J 水平的微波光谱和电偶极矩:SO、C_2S、C_3S、c-HC_3、CH_2CC 和 c-C_3H_2”Aastrophys.J.399。
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Detection of New Interstellar Molecules by Fourier Transform Millimeter-wave Spectroscopy
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