NDLI: Capture of slow antiprotons by helium atoms

Content Provider	Springer Nature Link
Author	Révai, J. Shevchenko, N.
Copyright Year	2005
Abstract	A consistent quantum mechanical calculation of partial cross-sections leading to different final states of antiprotonic helium atom was performed. For the four-body scattering wave function, corresponding to the initial state, as well as for the antiprotonic helium wave function, appearing in the final state, adiabatic approximations were used. Further, symmetric and non-symmetric effective charge (SEC, NEC) approximations were introduced for the two-electron wave functions in the field of the two fixed charges of the He nucleus and the antiproton. Calculations were carried out for a wide range of antiprotonic helium states and incident energies of the antiproton below the first ionization threshold of the He atom. The origin of the rich low-energy structure of certain cross-sections is discussed in detail.
Starting Page	83
Ending Page	92
Page Count	10
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	37
Issue Number	1
e-ISSN	14346079
Language	English
Publisher	EDP Sciences
Publisher Date	2005-10-04
Publisher Place	Les Ulis
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Quantum Physics Quantum Computing, Information and Physics Nonlinear Dynamics, Complex Systems, Chaos, Neural Networks Atoms, Molecules, Clusters and Plasmas Solid State Physics and Spectroscopy Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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