(γ,2e) cross section measurements of D2 and He

被引:74
作者
Wightman, JP [1 ]
Cvejanovic, S [1 ]
Reddish, TJ [1 ]
机构
[1] Univ Newcastle Upon Tyne, Dept Surg, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
关键词
D O I
10.1088/0953-4075/31/8/024
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Angular distributions of the two ejected electrons following photodouble ionization have been measured for molecular D-2 and He with E-1 = E-2 = 10 eV. The results were obtained at the Daresbury Synchrotron Radiation Source using a multicoincidence spectrometer consisting of two toroidal analysers. The measured distributions show strong similarities, as well as differences which suggest that molecular effects are manifest at these energy conditions.
引用
收藏
页码:1753 / 1764
页数:12
相关论文
共 45 条
[1]   IMPROVED ONE-CENTRE WAVE FUNCTIONS FOR THE HYDROGEN AND METHANE MOLECULES [J].
BISHOP, DM .
MOLECULAR PHYSICS, 1963, 6 (03) :305-315
[2]   NEAR-THRESHOLD TDCS FOR PHOTO-DOUBLE IONIZATION OF HELIUM [J].
DAWBER, G ;
AVALDI, L ;
MCCONKEY, AG ;
ROJAS, H ;
MACDONALD, MA ;
KING, GC .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1995, 28 (08) :L271-L277
[3]   THRESHOLD PHOTOELECTRONS COINCIDENCE SPECTROSCOPY OF DOUBLY-CHARGED IONS OF NITROGEN, CARBON-MONOXIDE, NITRIC-OXIDE AND OXYGEN [J].
DAWBER, G ;
MCCONKEY, AG ;
AVALDI, L ;
MACDONALD, MA ;
KING, GC ;
HALL, RI .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1994, 27 (11) :2191-2209
[4]  
DORMER R, 1997, COMMUNICATION
[5]   DOUBLE PHOTOIONIZATION OF H-2 - AN EXPERIMENTAL TEST OF ELECTRONIC-CORRELATION MODELS IN MOLECULES [J].
DUJARDIN, G ;
BESNARD, MJ ;
HELLNER, L ;
MALINOVITCH, Y .
PHYSICAL REVIEW A, 1987, 35 (12) :5012-5019
[6]  
DUNFORD HB, 1968, ELEMENTS DIATOMIC MO
[7]   EFFECT OF SYMMETRY ON 2-ELECTRON ESCAPE AT THRESHOLD [J].
GREENE, CH ;
RAU, ARP .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1983, 16 (01) :99-106
[8]   THRESHOLD PHOTOELECTRONS COINCIDENCE SPECTROSCOPY OF THE RARE-GASES NE, AR, KR AND XE [J].
HALL, RI ;
DAWBER, G ;
MCCONKEY, AG ;
MACDONALD, MA ;
KING, GC .
ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1992, 23 (04) :377-381
[9]   VIBRATIONAL STRUCTURE OF THE O-2(2+) GROUND-STATE OBSERVED BY THRESHOLD PHOTOELECTRON COINCIDENCE SPECTROSCOPY [J].
HALL, RI ;
DAWBER, G ;
MCCONKEY, A ;
MACDONALD, MA ;
KING, GC .
PHYSICAL REVIEW LETTERS, 1992, 68 (18) :2751-2754
[10]  
Herzberg G, 1950, Molecular spectra molecular structure: Spectra of diatomic molecules, VI