Charge transfer in collisions of H2+ ions with He2+ and Ar2+

被引：15

作者：

Bräuning, H

Reiser, I

Diehl, A

Theiss, A

Sidky, E

Cocke, CL

Salzborn, E

机构：

[1] Univ Giessen, Inst Kernphys, Strahlenzentrum, D-6300 Giessen, Germany

[2] Kansas State Univ, JR Macdonald Lab, Manhattan, KS 66506 USA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2001年 / 34卷 / 10期

关键词：

D O I：

10.1088/0953-4075/34/10/102

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using the crossed-beams technique, we have measured absolute total cross sections for electron capture from H-2(+) molecular ions by He2+ and Ar2+ at relative velocities nu (rel) = 0.7-1.3 au. With He2+ a distinct maximum around nu (rel) = 1 au is observed, which can be attributed to the large Q-value for the dominant channel of this reaction. Theoretical calculations using an atomic model for ion-molecule collisions are in very good agreement with the experimental data.

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页码：L321 / L325

页数：5

相关论文

共 18 条

[1] Studies of charge exchange in symmetric ion-ion collisions [J].

Chen, CY ;

Cocke, CL ;

Giese, JP ;

Melchert, F ;

Reiser, I ;

Stöckli, M ;

Sidky, E ;

Lin, CD .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 2001, 34 (03) :469-475

[2] Ab initio calculation of charge transfer cross sections in C4++H2 collisions [J].

Errea, LF ;

Gorfinkiel, JD ;

Macías, A ;

Méndez, L ;

Riera, A .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1999, 32 (07) :1705-1721

[3] Fragmentation of H22+ ions following double electron capture in slow Xe23+ and O5++H2 collisions [J].

Frémont, F ;

Bedouet, C ;

Tarisien, M ;

Adoui, L ;

Cassimi, A ;

Dubois, A ;

Chesnel, JY ;

Husson, X .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 2000, 33 (07) :L249-L258

[4] THE SEMICLASSICAL CLOSE-COUPLING DESCRIPTION OF ATOMIC-COLLISIONS - RECENT DEVELOPMENTS AND RESULTS [J].

FRITSCH, W ;

LIN, CD .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1991, 202 (1-2) :1-97

[5] HE-2+-H2 COLLISIONS - NONDISSOCIATIVE AND DISSOCIATIVE ONE-ELECTRON CAPTURE [J].

HOEKSTRA, R ;

FOLKERTS, HO ;

BEIJERS, JPM ;

MORGENSTERN, R ;

DEHEER, FJ .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1994, 27 (10) :2021-2031

[6]

KRUDENER S, 1992, THESIS U GIESSEN GER

[7]

Lowe J. P., 1993, QUANTUM CHEM

[8] STATE-SELECTIVE ELECTRON-CAPTURE BY SLOW C4+ IONS IN COLLISIONS WITH H2 AND O2 [J].

MCLAUGHLIN, TK ;

MCCULLOUGH, RW ;

GILBODY, HB .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1992, 25 (06) :1257-1264

[9] Beam loss in storage rings caused by ion-ion collisions [J].

Melchert, F ;

Pfeiffer, A ;

Diemar, KV ;

Bajajova, K ;

Wohlfahrt, C ;

Salzborn, E .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1998, 415 (03) :566-570

[10]

Melchert F, 2000, AIP CONF PROC, V500, P478, DOI 10.1063/1.1302680