SUPERELASTIC ELECTRON-SCATTERING FROM METASTABLE HELIUM

被引:14
作者
JACKA, M [1 ]
KELLY, J [1 ]
LOHMANN, B [1 ]
BUCKMAN, SJ [1 ]
机构
[1] GRIFFITH UNIV,FAC SCI & TECHNOL,NATHAN,QLD 4111,AUSTRALIA
关键词
D O I
10.1088/0953-4075/28/10/006
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The angular dependence of electrons superelastically scattered from metastable (2(3)S) helium has been measured for the first time at incident electron energies of 10 and 30 eV. For comparison purposes these distributions, which cover the angular range from 35 degrees to 125 degrees, have been normalized to the convergent close coupling calculation of Pray et al. We also compare the normalized angular distributions to first-order many-body theory and R-matrix calculations.
引用
收藏
页码:L361 / L366
页数:6
相关论文
共 14 条
[1]   COLLISIONAL ALIGNMENT AND ORIENTATION OF ATOMIC OUTER SHELLS .1. DIRECT EXCITATION BY ELECTRON AND ATOM IMPACT [J].
ANDERSEN, N ;
GALLAGHER, JW ;
HERTEL, IV .
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1988, 165 (1-2) :1-188
[2]   CONVERGENT CLOSE-COUPLING METHOD FOR ELECTRON-SCATTERING ON HELIUM [J].
BRAY, I ;
FURSA, DV ;
MCCARTHY, IE .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1994, 27 (14) :L421-L425
[3]   ELASTIC ELECTRON-SCATTERING FROM HELIUM - ABSOLUTE EXPERIMENTAL CROSS-SECTIONS, THEORY AND DERIVED INTERACTION POTENTIALS [J].
BRUNGER, MJ ;
BUCKMAN, SJ ;
ALLEN, LJ ;
MCCARTHY, IE ;
RATNAVELU, K .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1992, 25 (08) :1823-1838
[4]   ON THE CONVERGENCE OF R-MATRIX CALCULATIONS FOR N = 2 EXCITATION OF HELIUM BY 29.6 EV ELECTRON [J].
FON, WC ;
LIM, KP ;
BERRINGTON, KA .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1994, 27 (17) :L591-L595
[5]  
LIN CC, 1991, ADV ATOM MOL OPT PHY, V29, P1
[6]   INELASTIC-SCATTERING OF ELECTRONS FROM THE 2(3)S STATE OF HELIUM [J].
MATHUR, KC ;
MCEACHRAN, RP ;
PARCELL, LA ;
STAUFFER, AD .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1987, 20 (07) :1599-1608
[7]   INELASTIC DIFFERENTIAL ELECTRON-SCATTERING FROM METASTABLE HE(23S) ATOMS [J].
MULLERFIEDLER, R ;
SCHLEMMER, P ;
JUNG, K ;
HOTOP, H ;
EHRHARDT, H .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1984, 17 (02) :259-268
[8]   VARIATIONAL CALCULATIONS OF ACCURATE E--HE CROSS-SECTIONS BELOW 19 EV [J].
NESBET, RK .
PHYSICAL REVIEW A, 1979, 20 (01) :58-70
[9]   CROSS-SECTIONS FOR ELECTRON-IMPACT EXCITATION OUT OF METASTABLE HELIUM LEVELS [J].
RALL, DLA ;
SHARPTON, FA ;
SCHULMAN, MB ;
ANDERSON, LW ;
LAWLER, JE ;
LIN, CC .
PHYSICAL REVIEW LETTERS, 1989, 62 (19) :2253-2256
[10]   DIFFERENTIAL CROSS-SECTIONS FOR ELECTRON-IMPACT 1(1)S-2(3)S EXCITATION IN HELIUM [J].
SRIVASTAVA, R ;
ITIKAWA, Y .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1993, 26 (21) :3915-3919