A FLOWING AFTERGLOW AS A POLARIZED ELECTRON SOURCE

Authors
ARIANER J COHEN S ESSABAA S FRASCARIA R ZERHOUNI O
Citation
J. Arianer et al., A FLOWING AFTERGLOW AS A POLARIZED ELECTRON SOURCE, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 382(3), 1996, pp. 371-378
Citations number
26
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
Journal title
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment → ACNP
ISSN journal
01689002
Volume
382
Issue
3
Year of publication
1996
Pages
371 - 378
Database
ISI
SICI code
0168-9002(1996)382:3<371:AFAAAP>2.0.ZU;2-2
Abstract
A source of polarized electrons based on a helium flowing afterglow ha s been developed at Orsay. The different parts of the device are descr ibed. The results about the polarization of the metastable He atoms, t he electron current and polarization and optical properties of the out put electron beam are given. They reveal electron polarizations in the range 82-70% for currents up to 30 mu A, about 60% for 100 mu A, an a verage emittance of 0.5 pi mm mrad and an energy spread of 0.25 eV.