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  Projectile-Charge Sign Dependence of Four-Particle Dynamics in Helium Double Ionization

Fischer, D., Moshammer, R., Dorn, A., Crespo López-Urrutia, J., Feuerstein, B., Höhr, C., et al. (2003). Projectile-Charge Sign Dependence of Four-Particle Dynamics in Helium Double Ionization. Physical Review Letters, 90(24): 243201, pp. 1-4. doi:10.1103/PhysRevLett.90.243201.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8EA9-0 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-8EAA-E
Genre: Journal Article

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 Creators:
Fischer, D.1, Author           
Moshammer, R.2, Author           
Dorn, A.2, Author           
Crespo López-Urrutia, J.R.2, Author           
Feuerstein, B.2, Author           
Höhr, C.2, Author           
Schröter, C.D.2, Author           
Hagmann, S.2, Author           
Kollmus, H.2, Author           
Mann, R.3, Author
Bapat, B.2, Author           
Ullrich, J.2, Author           
Affiliations:
1Daniel Fischer - Emmy Noether Junior Research Group, Junior Research Groups, MPI for Nuclear Physics, Max Planck Society, ou_907553              
2Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              
3Institut für Kernphysik, August-Euler Strasse 6, D-60486 Frankfurt, Germany Gesellschaft für Schwerionenforschung, D-64220 Darmstadt, Germany Physical Research Laboratory, Navrangpura, Ahmedabad-380 009, India, ou_persistent22              

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Free keywords: 34.10.+x; 34.50.Fa
 Abstract: Double ionization of helium by 6 MeV proton impact has been explored in a kinematically complete experiment using a "reaction microscope." For the first time, fully differential cross sections for positively charged projectiles have been obtained and compared with data from 2 keV electron impact. The significant differences observed in the angular distribution of the ejected electrons are attributed to the charge sign of the projectile, resulting in different dynamics of the four-particle Coulomb system, which is not considered in the first Born approximation.

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Language(s): eng - English
 Dates: 2003-06-20
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 60247
DOI: 10.1103/PhysRevLett.90.243201
URI: http://link.aps.org/abstract/PRL/v90/e243201
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 90 (24) Sequence Number: 243201 Start / End Page: 1 - 4 Identifier: -