NONDISSOCIATIVE AND DISSOCIATIVE IONIZATION OF H2 BY 50-2000 KEV ANTIPROTONS

被引:31
作者
ANDERSEN, LH
HVELPLUND, P
KNUDSEN, H
MOLLER, SP
PEDERSEN, JOP
TANGPETERSEN, S
UGGERHOJ, E
ELSENER, K
MORENZONI, E
机构
[1] CERN,CH-1211 GENEVA 23,SWITZERLAND
[2] PSI,CH-5232 VILLIGEN,SWITZERLAND
关键词
D O I
10.1088/0953-4075/23/15/003
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A beam of antiprotons with energies between 50 keV and 2 MeV has been used for measurements of non-dissociative and dissociative ionisation cross sections of H2. The results are compared with cross sections for equivelocity protons and electrons, and the role of interference effects in two-electron processes is discussed.
引用
收藏
页码:L395 / L400
页数:6
相关论文
共 19 条
[11]   ABSOLUTE IONIZATION CROSS-SECTIONS FOR ELECTRON-IMPACT ON H-2 [J].
KOSSMANN, H ;
SCHWARZKOPF, O ;
SCHMIDT, V .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1990, 23 (02) :301-313
[12]   PROTON PRODUCTION PROBABILITY IN THE DISSOCIATIVE PHOTOIONIZATION OF H-2 [J].
MASUOKA, T .
JOURNAL OF CHEMICAL PHYSICS, 1984, 81 (06) :2652-2656
[13]  
MULLERGROELING A, 1988, Z PHYS D ATOM MOL CL, V9, P223, DOI 10.1007/BF01438293
[14]   ELECTRON CORRELATION IN 2-ELECTRON PROCESSES IN HELIUM INDUCED BY FAST PROJECTILES [J].
PEDERSEN, JOP .
PHYSICA SCRIPTA, 1990, 42 (02) :180-186
[15]   SIMULTANEOUS EXCITATION AND IONIZATION OF HELIUM BY FAST PROJECTILES [J].
PEDERSEN, JOP ;
FOLKMANN, F .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1990, 23 (03) :441-456
[16]   DOUBLE EXCITATION OF HELIUM BY FAST ELECTRONS, PROTONS, AND C(4-6)+ IONS [J].
PEDERSEN, JOP ;
HVELPLUND, P .
PHYSICAL REVIEW LETTERS, 1989, 62 (20) :2373-2376
[17]   CROSS SECTIONS FOR DISSOCIATIVE IONIZATION OF MOLECULES BY ELECTRON IMPACT [J].
RAPP, D ;
ENGLANDE.P ;
BRIGLIA, DD .
JOURNAL OF CHEMICAL PHYSICS, 1965, 42 (12) :4081-&
[18]   THE FORCED IMPULSE METHOD APPLIED TO THE DOUBLE IONIZATION OF HELIUM BY COLLISION WITH HIGH-ENERGY PROTONS, ANTIPROTONS AND ALPHA-PARTICLES [J].
READING, JF ;
FORD, AL .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1987, 20 (15) :3747-3769
[19]   IONIZATION OF H-2 BY FAST PROTONS AND MULTIPLY CHARGED IONS OF HE, LI, C, N AND O [J].
SHAH, MB ;
GILBODY, HB .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1982, 15 (19) :3441-3453