Multiple ionization effects on L X-ray intensity ratios in Hf,Ta, Re,Ir, Pt,Au and Pb due to proton bombardment at energies 1-5 MeV期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Multiple ionization effects on L X-ray intensity ratios in Hf,Ta, Re,Ir, Pt,Au and Pb due to proton bombardment at energies 1-5 MeV

Authors:	G?J?Naga Raju G?A?V?Ramana Murty B?Seetharami Reddy T?Seshi Reddy S?Lakshminarayana Email author" target="_blank">S?Bhuloka Reddy Email author

Institution:	(1) Swami Jnanananda Laboratories for Nuclear Research, Andhra University, 530 003 Visakhapatnam, India

Abstract:	The L X-ray intensity ratios in the elements Hf, Ta, Re, Ir, Pt, Au and Pb due to proton bombardment at energies from 1 to 5 MeV are measured and compared with the ECPSSR theoretical intensity ratios. The L $_{\alpha}$ /L_l intensity ratios obtained in the present work are in good agreement with theoretical values while the L $_{\beta}$ /L $_{\gamma}$ and L $_{\alpha}$ /L $_{\beta}$ intensity ratios are consistently lower than the theoretical values. This deviation may be explained in terms of multiple ionization effects in M, N and O shells.Received: 27 March 2004, Published online: 6 July 2004PACS: 32.80.Hd Auger effect and inner-shell excitation or ionization - 32.30.Rj X-ray spectra - 41.75.-i Charged-particle beams - 41.75.Ak Positive-ion beams

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