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High Resolution Spectroscopy on Balmer-α Line Excited by Controlled Electron Impact

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Abstract An instrument with a high resolution interferometer was constructed for the determination of the line shape of the Balmer-α line of H^* (n=3). The finesse of the etalons was 140, and its resolution wa...s 0.020 ?. The high resolution spectra of the Balmer line produced in e-H_2, H_2O and CH_4 collisions were measured and their translational energy distributions were obtained. The fine structure splitting was observed for the slow component of H^* (D^*) from H_2 (D_2). This instrument is very useful for investigations of the mechanism of the dissociative excitation of hydride molecules by controlled electron impact.show more

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Created Date 2010.06.12
Modified Date 2020.11.27

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