SIMULTANEOUS SINGLE-ELECTRON CAPTURE AND PROJECTILE-CORE EXCITATION ENHANCED THROUGH CONFIGURATION-INTERACTION IN VERY SLOW AR6+-HE COLLISIONS

被引:19
作者
ANDERSSON, LR
CEDERQUIST, H
BARANY, A
LILJEBY, L
BIEDERMANN, C
LEVIN, JC
KELLER, N
ELSTON, SB
GIBBONS, JP
KIMURA, K
SELLIN, IA
机构
[1] UNIV TENNESSEE, DEPT PHYS, KNOXVILLE, TN 37996 USA
[2] OAK RIDGE NATL LAB, OAK RIDGE, TN 37831 USA
来源
PHYSICAL REVIEW A | 1991年 / 43卷 / 07期
关键词
D O I
10.1103/PhysRevA.43.4075
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report experimental angular differential cross sections for one-electron capture in Ar6+ - He collisions at very low energies (1.6 - 13 eV/u). The cross sections show an unexpectedly high population of core-excited states of Ar5+. An alternative mechanism for enhanced capture excitation through configuration interaction is proposed.
引用
收藏
页码:4075 / 4078
页数:4
相关论文
共 14 条
[1]   OSCILLATOR-STRENGTHS IN THE ALUMINUM SEQUENCE [J].
AASHAMAR, K ;
LUKE, TM ;
TALMAN, JD .
PHYSICA SCRIPTA, 1984, 30 (02) :121-134
[2]   ANGULAR SCATTERING EFFECTS IN ENERGY-GAIN SPECTRA OF A6+ (A=NE, AR, KR, XE) ONE-ELECTRON CAPTURE FROM HE [J].
ANDERSSON, LR ;
PEDERSEN, JOP ;
BARANY, A ;
BANGSGAARD, JP ;
HVELPLUND, P .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1989, 22 (10) :1603-1621
[3]  
ANDERSSON LR, IN PRESS NUCL INST B
[4]  
BENMEURAIEM L, 1987, 15TH P INT C PHYS EL, P557
[5]   TOTAL-CAPTURE CROSS-SECTIONS FOR VERY SLOW AR-4+-AR AND AR-6+-AR COLLISIONS [J].
BIEDERMANN, C ;
LEVIN, JC ;
SHORT, RT ;
ELSTON, SB ;
GIBBONS, JP ;
SELLIN, IA ;
CEDERQUIST, H ;
ANDERSSON, LR ;
ANDERSSON, H ;
LILJEBY, L .
PHYSICAL REVIEW A, 1990, 42 (11) :6905-6908
[6]   EXPERIMENTAL AND MODEL ANGULAR-DISTRIBUTIONS OF ONE-ELECTRON AND 2-ELECTRON CAPTURE PROCESSES IN 0.5-20 EV U AR4+-AR COLLISIONS [J].
BIEDERMANN, C ;
CEDERQUIST, H ;
ANDERSSON, LR ;
LEVIN, JC ;
SHORT, RT ;
ELSTON, SB ;
GIBBONS, JP ;
ANDERSSON, H ;
LILJEBY, L ;
SELLIN, IA .
PHYSICAL REVIEW A, 1990, 41 (11) :5889-5908
[7]   CHARGE-TRANSFER OF MULTIPLY CHARGED IONS WITH HYDROGEN AND HELIUM - LANDAU-ZENER CALCULATIONS [J].
BUTLER, SE ;
DALGARNO, A .
ASTROPHYSICAL JOURNAL, 1980, 241 (02) :838-843
[8]  
FAWCETT BC, 1983, ATOM DATA NUCL DATA, V28, P557, DOI 10.1016/0092-640X(83)90006-2
[9]   ORIENTATION AND ALIGNMENT EFFECTS FOR CAPTURE IN MULTIPLY CHARGED-ION ATOM COLLISIONS [J].
HANSEN, JP ;
KOCBACH, L ;
DUBOIS, A ;
NIELSEN, SE .
PHYSICAL REVIEW LETTERS, 1990, 64 (21) :2491-2494
[10]   PARTIAL CAPTURE CROSS-SECTIONS AND ENERGY GAIN SPECTRA IN AR-6+-HE(1S2) COLLISIONS [J].
HANSEN, JP ;
KOCBACH, L ;
TAULBJERG, K .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1989, 22 (06) :885-891