Rev. Phys. Appl. (Paris) 12, 1321-1321 (1977)
DOI: 10.1051/rphysap:0197700120100132100

Pressurized Van de Graaff electrostatic accelerator « Lech »

A. Bienkowski¹, M. Jaskóa² et L. Zemlo<sup>2

1</sup>  Institute of Experimental Physics, Warsaw University, Pologne
²  Institute of Nuclear Research, Warsaw, Pologne

Abstract
The Van de Graaff accelerator LECH is a completely home made machine. It was put in operation in 1961. Since its putting into operation the accelerator have passed several improvements and modifications. At present its main data are given in table I. Now the reconstruction of the accelerator is carried out. It involves reconstruction or replacement of the following units : the supporting insulating column, the high-voltage terminal, the accelerating tube, the charging belt drive mechanism, the ion source and the power supply system. As a result the acceleration voltage should increase to about 4.5 MV and the characteristic of the ion beam and energy stability should improve. The Van de Graaff accelerator LECH is mainly used for the basic research in nuclear physics and for application of nuclear research methods in other fields of physics and technology.

Résumé
L'accélérateur Van de Graff Lech a été complètement réalisé par le laboratoire et mis en service en 1961. Depuis cette date différentes améliorations furent amenées. Le tableau I donne les caractéristiques essentielles. Actuellement une reconstruction est en cours, changement de la colonne, du terminal, du tube, de la courroie, de la source d'ions et des alimentations. La tension pourra alors monter à 4,5 MV et les caractéristiques du faisceau et la stabilité de tension seront améliorées.

PACS
0790 - Other topics in instruments, apparatus, and components common to several branches of physics and astronomy.

Key words
Electrostatic accelerators -- Van de Graaff accelerators