Close-coupling approach to antiproton-impact breakup of molecular hydrogen

被引：19

作者：

Abdurakhmanov, I. B. ^{[1
]}

Kadyrov, A. S. ^{[1
]}

Fursa, D. V. ^{[1
]}

Avazbaev, S. K. ^{[1
]}

Bray, I. ^{[1
]}

机构：

[1] Curtin Univ, ARC Ctr Antimatter Matter Studies, Perth, WA 6845, Australia

来源：

PHYSICAL REVIEW A | 2014年 / 89卷 / 04期

基金：

澳大利亚研究理事会;

关键词：

IONIZATION; HELIUM;

D O I：

10.1103/PhysRevA.89.042706

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An ab initio time-dependent convergent close-coupling approach to describing antiproton collisions with molecular hydrogen or the hydrogen molecular ion has been developed. The approach accounts for all possible orientations of the molecular target. Averaging over the molecular orientations is performed fully analytically. For the molecular hydrogen target calculated orientation-averaged total cross sections for single ionization and proton production are compared with several experiments over the energy range of 1-2000 keV. Results for single ionization are in good agreement with experiment, except for the region around the experimental maximum. For proton production reasonable agreement with experiment is observed above 40 keV.

引用

页数：10

共 24 条

[1] Target Structure-Induced Suppression of the Ionization Cross Section for Low-Energy Antiproton-Molecular Hydrogen Collisions: Theoretical Confirmation [J].

Abdurakhmanov, I. B. ;

Kadyrov, A. S. ;

Fursa, D. V. ;

Bray, I. .

PHYSICAL REVIEW LETTERS, 2013, 111 (17)

[2] Convergent close-coupling calculations of helium single ionization by antiproton impact [J].

Abdurakhmanov, I. B. ;

Kadyrov, A. S. ;

Fursa, D. V. ;

Bray, I. ;

Stelbovics, A. T. .

PHYSICAL REVIEW A, 2011, 84 (06)

[3] Resonant quantum transitions in trapped antihydrogen atoms [J].

Amole, C. ;

Ashkezari, M. D. ;

Baquero-Ruiz, M. ;

Bertsche, W. ;

Bowe, P. D. ;

Butler, E. ;

Capra, A. ;

Cesar, C. L. ;

Charlton, M. ;

Deller, A. ;

Donnan, P. H. ;

Eriksson, S. ;

Fajans, J. ;

Friesen, T. ;

Fujiwara, M. C. ;

Gill, D. R. ;

Gutierrez, A. ;

Hangst, J. S. ;

Hardy, W. N. ;

Hayden, M. E. ;

Humphries, A. J. ;

Isaac, C. A. ;

Jonsell, S. ;

Kurchaninov, L. ;

Little, A. ;

Madsen, N. ;

McKenna, J. T. K. ;

Menary, S. ;

Napoli, S. C. ;

Nolan, P. ;

Olchanski, K. ;

Olin, A. ;

Pusa, P. ;

Rasmussen, C. O. ;

Robicheaux, F. ;

Sarid, E. ;

Shields, C. R. ;

Silveira, D. M. ;

Stracka, S. ;

So, C. ;

Thompson, R. I. ;

van der Werf, D. P. ;

Wurtele, J. S. .

NATURE, 2012, 483 (7390) :439-U86

[4] NONDISSOCIATIVE AND DISSOCIATIVE IONIZATION OF H2 BY 50-2000 KEV ANTIPROTONS [J].

ANDERSEN, LH ;

HVELPLUND, P ;

KNUDSEN, H ;

MOLLER, SP ;

PEDERSEN, JOP ;

TANGPETERSEN, S ;

UGGERHOJ, E ;

ELSENER, K ;

MORENZONI, E .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1990, 23 (15) :L395-L400

[5] Antiproton radiotherapy [J].

Bassler, Niels ;

Alsner, Jan ;

Beyer, Gerd ;

DeMarco, John J. ;

Doser, Michael ;

Hajdukovic, Dragan ;

Hartley, Oliver ;

Iwamoto, Keisuke S. ;

Jaekel, Oliver ;

Knudsen, Helge V. ;

Kovacevic, Sandra ;

Moller, Soren Pape ;

Overgaard, Jens ;

Petersen, Jorgen B. ;

Sotberg, Timothy D. ;

Sorensen, Brita S. ;

Vranjes, Sanja ;

Wouters, Bradly G. ;

Hotzscheiter, Michael H. .

RADIOTHERAPY AND ONCOLOGY, 2008, 86 (01) :14-19

[6] Description and first application of a new technique to measure the gravitational mass of antihydrogen [J].

Charman, A. E. ;