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THE CURRENT STATUS OF SUPERELASTIC SCATTERING STUDIES FOR E(-)-NA ATOM COLLISIONS

被引：28
作者：
SANG, RT
FARRELL, PM
MADISON, DH
MACGILLIVRAY, WR
STANDAGE, MC
机构：
[1] TELECOM AUSTRALIA,RES LABS,MELBOURNE,VIC 3168,AUSTRALIA
[2] UNIV MISSOURI,ATOM & MOLEC RES LAB,ROLLA,MO 65401
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1994年 / 27卷 / 06期
关键词：
D O I：
10.1088/0953-4075/27/6/018
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
New data from a superelastic scattering experiment on e--Na atom collisions at 10, 15, 20, 25 and 30 eV incident energy are presented and compared with existing experimental data and theories based respectively on the distorted wave second-order Born approximation, 15 state close-coupling and coupled channel optical potential calculations. Overall, fair to good agreement is found between theory and experiments for individual atomic scattering parameters. The loss of coherence previously observed by some workers at small scattering angles (5-20-degrees), is confirmed at 20 eV and also observed at 25 eV. This loss of coherence is poorly modelled by existing theories.
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页码：1187 / 1208
页数：22
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