Positron Annihilation Spectroscopy at LEPTA Facility-Reference-Cited by-同舟云学术

Positron Annihilation Spectroscopy at LEPTA Facility

Published:2012-11 Issue: Volume:733 Page:322-325
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Sidorin Aleksey A.¹,Meshkov Igor¹,Ahmanova E.¹,Eseev M.²,Kobets A.¹,Lokhmatov V.¹,Pavlov V.¹,Rudakov A.¹,Yakovenko S.¹

Affiliation:

1. Joint Institute for Nuclear Research

2. Northern (Arctic) Federal University

Abstract

The Low Energy Positron Toroidal Accumulator (LEPTA) at JINR proposed for generation of positronium in flight can be used for positron annihilation spectroscopy (PAS) [1]. The positron injector of the LEPTA facility can generate continuous a slow positron beam with the intensity up to 1∙107s-1 at the energy in the range of a few eV to 100 keV and width of the spectrum 1 – 2 eV. The injector is based on radioactive 22Na isotope. The solid neon is used as a moderator to generate monochromatic beam. The parameters of the positron beam allow scanning the condensed matter in depth up to 10 microns with resolutions less than 10 nanometers and investigating layered structures for microelectronics and properties of a surface.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.733.322.pdf

Reference3 articles.

1. E. Ahmanova, A. Kobets, V. Lokhmatov, et. al., Particles and Nuclei, Letters, Vol. 7 (2010), p.814.

2. I.N. Meshkov, A.O. Sidorin, I.A. Seleznev, A.V. Smirnov, E.M. Syresin and G. V. Trubnikov: Modified Betatron, Fiz. Elem. Chastits At. Yadra Vol. 36 (2005), p.1071–1133 [Phys. Part. Nucl. Vol. 36 (2005), 562].

3. A. Sidorin, I. Meshkov at. al.: The LEPTA Facility for Fundamental Studies of Positronium Physics and Positron Spectroscopy, These Proceedings.

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