Universität zu Köln

Sinha, Nidhi ORCID: 0000-0001-5296-1645, Subraveti, Priyanka and Antony, Bobby ORCID: 0000-0003-2073-9681 (2021). Electron and positron backscattering from condensed targets. J. Phys. B-At. Mol. Opt. Phys., 54 (20). BRISTOL: IOP Publishing Ltd. ISSN 1361-6455

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Abstract

The backscattering process for electron and positron impinging on condensed targets is studied here. The calculation is performed for Li, Na, Al and Cu atoms in the 500-3000 eV energy range. The well known Vicanek and Urbassek theory is used to determine the backscattering coefficient for present solid atoms. To analyze the elastic scattering cross section, spherical complex optical potential formalism is used. Apart from the backscattering coefficient, momentum transfer cross section, range of penetration, and mean number of wide-angle collisions are also tabulated and compared to the available data. No previous work was found reporting the range of penetration for the atoms. Hence, we also report the electron backscattering coefficient and range of penetration for liquid water for which experimental and theoretical data are available for the range of penetration. The electron backscattering coefficient for liquid water is reported for the first time here.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Sinha, Nidhi UNSPECIFIED orcid.org/0000-0001-5296-1645 UNSPECIFIED Subraveti, Priyanka UNSPECIFIED UNSPECIFIED UNSPECIFIED Antony, Bobby UNSPECIFIED orcid.org/0000-0003-2073-9681 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-575418
DOI:	10.1088/1361-6455/ac336f
Journal or Publication Title:	J. Phys. B-At. Mol. Opt. Phys.
Volume:	54
Number:	20
Date:	2021
Publisher:	IOP Publishing Ltd
Place of Publication:	BRISTOL
ISSN:	1361-6455
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language MONTE-CARLO-SIMULATION; LOW-ENERGY ELECTRONS; ELASTIC-SCATTERING; SLOW-ELECTRONS; CROSS-SECTIONS; STOPPING POWER; PENETRATION; EXPRESSION; RANGE; MODEL Multiple languages Optics; Physics, Atomic, Molecular & Chemical Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/57541