DIFFERENTIAL CROSS-SECTIONS FOR ELASTIC-SCATTERING OF INTERMEDIATE-ENERGY ELECTRONS FROM SODIUM

被引:27
作者
TEUBNER, PJO
BUCKMAN, SJ
NOBLE, CJ
机构
[1] Inst. for Atomic Studies, School of Phys. Sci., Flinders Univ. of South Australia, Bedford Park, SA
关键词
D O I
10.1088/0022-3700/11/13/018
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Differential cross sections for the elastic scattering of electrons from sodium have been measured with high angular resolution for incident energies of 54.4, 75, 100 and 150 eV and over an angular range of 12-140 degrees . The experimental data are compared with calculations based on the first Born approximation, the Glauber approximation and a close-coupling impact-parameter calculation. Calculations have been carried out for an optical model using the prescription of Vanderpoorten (1976) for localising the absorptive part of the potential. The optical model is found to reproduce best the general features of the cross section at all energies.
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收藏
页码:2345 / 2354
页数:10
相关论文
共 28 条
[1]   USE OF SECOND-ORDER POTENTIALS IN THEORY OF SCATTERING OF CHARGED-PARTICLES BY ATOMS .1. GENERAL THEORY [J].
BRANSDEN, BH ;
COLEMAN, JP .
JOURNAL OF PHYSICS PART B ATOMIC AND MOLECULAR PHYSICS, 1972, 5 (03) :537-&
[2]   SEMICLASSICAL METHOD FOR ELECTRON-SCATTERING BY ATOMS [J].
BRANSDEN, BH ;
NOBLE, CJ .
AUSTRALIAN JOURNAL OF PHYSICS, 1976, 29 (03) :165-170
[3]  
BUCKMAN SJ, UNPUBLISHED
[4]  
BUCKMAN SJ, 1975, THESIS FLINDERS U
[5]   AB-INITIO OPTICAL-MODEL THEORY OF ELASTIC ELECTRON-ATOM SCATTERING [J].
BYRON, FW ;
JOACHAIN, CJ .
PHYSICS LETTERS A, 1974, A 49 (04) :306-308
[6]   EIKONAL OPTICAL-MODEL THEORY OF ELASTIC ELECTRON-ATOM SCATTERING [J].
BYRON, FW ;
JOACHAIN, CJ .
PHYSICAL REVIEW A, 1974, 9 (06) :2559-2568
[7]   ELASTIC-SCATTERING OF ELECTRONS AND POSITRONS BY COMPLEX ATOMS AT INTERMEDIATE ENERGIES [J].
BYRON, FW ;
JOACHAIN, CJ .
PHYSICAL REVIEW A, 1977, 15 (01) :128-146
[8]  
Clementi E., 1974, Atomic Data and Nuclear Data Tables, V14, P177, DOI 10.1016/S0092-640X(74)80016-1
[9]   SEMIPHENOMENOLOGICAL OPTICAL-MODEL FOR ELECTRON-SCATTERING ON ATOMS [J].
FURNESS, JB ;
MCCARTHY, IE .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1973, 6 (11) :2280-2291
[10]   DIFFERENTIAL CROSS-SECTIONS FOR ELASTIC-SCATTERING OF LOW-ENERGY ELECTRONS BY SODIUM [J].
GEHENN, W ;
REICHERT, E .
ZEITSCHRIFT FUR PHYSIK, 1972, 254 (01) :28-&