MOLECULAR-ORIENTATION DEPENDENCE FOR PROJECTILE-H-2 COLLISIONS

被引：12

作者：

EZELL, RL ^{[1
]}

WOOD, RM ^{[1
]}

DITTMANN, MW ^{[1
]}

BROWNING, JF ^{[1
]}

MANGAN, MA ^{[1
]}

机构：

[1] UNIV GEORGIA,DEPT PHYS & ASTRON,ATHENS,GA 30602

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1991年 / 56-7卷

关键词：

D O I：

10.1016/0168-583X(91)96029-K

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The cross sections for double ionization, ionization plus excitation and double excitation of H-2 for equivelocity electrons and protons on H-2 have been measured as a function of orientation of the internuclear axis. The projectile energies are 1.0 and 2.0 MeV/amu. The data can be fit to an expression of the form sigma-(theta) = sigma-0(1 + A cos2-theta + B cos-4-theta) where sigma-0 is the value of the cross section at 90-degrees. The excited states of H-2+ include the 2p-sigma-u, 2p-pi-u and 2s-sigma-g.

引用

收藏

页码：292 / 294

页数：3

相关论文

共 17 条

[1] MULTIPLE IONIZATION OF HE, NE, AND AR BY FAST PROTONS AND ANTIPROTONS [J].

ANDERSEN, LH ;

HVELPLUND, P ;

KNUDSEN, H ;

MOLLER, SP ;

SORENSEN, AH ;

ELSENER, K ;

RENSFELT, KG ;

UGGERHOJ, E .

PHYSICAL REVIEW A, 1987, 36 (08) :3612-3629

[2] POSITRON AND ELECTRON-IMPACT DOUBLE IONIZATION OF HELIUM [J].

CHARLTON, M ;

ANDERSEN, LH ;

BRUNNIELSEN, L ;

DEUTCH, BI ;

HVELPLUND, P ;

JACOBSEN, FM ;

KNUDSEN, H ;

LARICCHIA, G ;

POULSEN, MR ;

PEDERSEN, JO .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1988, 21 (17) :L545-L549

[3] DISSOCIATIVE IONIZATION OF H2 - A STUDY OF ANGULAR DISTRIBUTIONS AND ENERGY DISTRIBUTIONS OF RESULTANT FAST PROTONS [J].

DUNN, GH ;

KIEFFER, LJ .

PHYSICAL REVIEW, 1963, 132 (05) :2109-&

[4] DOUBLE IONIZATION AND IONIZATION PLUS EXCITATION OF H-2 BY FAST PROJECTILES [J].

EDWARDS, AK ;

WOOD, RM ;

DAVIS, JL ;

EZELL, RL .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1989, 40-1 :174-177

[5] COLLISIONAL IONIZATION AND EXCITATION OF H-2 - 2-ELECTRON PROCESSES [J].

EDWARDS, AK ;

WOOD, RM ;

DAVIS, JL ;

EZELL, RL .

PHYSICAL REVIEW A, 1990, 42 (03) :1367-1375

[6]

EDWARDS AK, IN PRESS NUCL INSTR

[7] AN EXPERIMENTAL INVESTIGATION OF DOUBLE IONIZATION OF HELIUM-ATOMS IN COLLISIONS WITH FAST, FULLY STRIPPED IONS [J].

KNUDSEN, H ;

ANDERSEN, LH ;

HVELPLUND, P ;

ASTNER, G ;

CEDERQUIST, H ;

DANARED, H ;

LILJEBY, L ;

RENSFELT, KG .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1984, 17 (17) :3545-3564

[8] THE DISSOCIATIVE IONIZATION OF HYDROGEN BY 5-25 KEV PROTONS - ENERGY-SPECTRA AND ANGULAR-DISTRIBUTION OF FRAGMENT IONS [J].

LINDSAY, BG ;

YOUSIF, FB ;

SIMPSON, FR ;

LATIMER, CJ .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1987, 20 (12) :2759-2771

[9] DOUBLE IONIZATION OF HELIUM BY PROTONS AND ELECTRONS AT HIGH VELOCITIES [J].

MCGUIRE, JH .

PHYSICAL REVIEW LETTERS, 1982, 49 (16) :1153-1157

[10] ABSOLUTE IONIZATION CROSS-SECTIONS FOR ELECTRON-IMPACT IN RARE-GASES [J].

NAGY, P ;

SKUTLARTZ, A ;

SCHMIDT, V .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1980, 13 (06) :1249-1267