MOZZO05
GANIL, Caen, France
[1] F. Déchery et al., ’The Super Separator Spectrometer image and the associated detection systems: SIRIUS & LEB-REGLIS3’, 376 NIMB 125 (2016)
LPSC, Grenoble Cedex, France
GANIL, Caen, France
| Paper | Title | Page |
|---|---|---|
MOZZO05 |
A New Resistive High Temperature Oven for Metallic Beams Production | |
|
||
|
For the Super Separator Spectrometer (S3) [1] currently under construction on Spiral 2 facility, metallic beams of high intensities must be delivered to impinge a target aiming to produce rare radioactive isotopes for fundamental nuclear studies. First requested beams are 58Ni, 48Ca, 50Cr, 50Ti or 50V with an intensity about 1,2.1013 pps. The metallic ion beams will be produced by the Phoenix V3 ECR ion source combined with a resistive oven newly designed to cope with the beam specifications. The evaporation of low vapor pressure metallic elements (Ti, V…) requires temperature within a range of 1900°C to 2000°C. A new design of a resistive oven has been developed for this purpose. The oven reached 2000°C in a test vacuum chamber during 8 days. It has worked out in the Electron Cyclotron Resonance Ion Source ECR4 at GANIL for Titanium beam production. Further tests using this ion source are under preparation for Ti and V beam production. Flux and angular distribution of atoms released by the oven are going to be measured off-line for optimizing crucibles geometries. Finally, the oven will be integrated into the Phoenix V3 ECRIS for Ti and V production.
[1] F. Déchery et al., ’The Super Separator Spectrometer image and the associated detection systems: SIRIUS & LEB-REGLIS3’, 376 NIMB 125 (2016) |
||
|
|
Slides MOZZO05 [2.339 MB] | |
| Cite • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |
| TUXZO03 | Angular Distribution Measurement of Atoms Evaporated from a Resistive Oven Applied to Ion Beam Production | 72 |
|
||
| A low temperature oven has been developed to produce calcium beam with Electron Cyclotron Resonance Ion Source. The atom flux from the oven has been studied experimentally as a function of the temperature and the angle of emission by means of a quartz microbalance. The absolute flux measurement permitted to derive Antoine’s coefficient for the calcium sample used : A=8.98± 0.07 and B=7787± 110 in standard unit. The angular FWHM of the atom flux distribution is found to be 53.7±7.3 °at 848K. The atom flux hysteresis observed experimentally in several laboratories is explained as follows: at first calcium heating, the evaporation comes from the sample only resulting in a small evaporation rate. once a full calcium layer has formed on the crucible refractory wall, the caclcium evaporation surface includes the crucible’s enhancing dramatically the evaporation rate for a givent temperature. A Monte-Carlo code, developed to reproduce and investigate the oven behaviour as a function of temperature is presented. A discussion on the gas regime in the oven is proposed as a function of its temperature. A fair agreement between experiment and simulation is found. | ||
|
|
Slides TUXZO03 [4.542 MB] | |
| DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-ECRIS2020-TUXZO03 | |
| About • | Received ※ 28 September 2020 — Revised ※ 19 February 2021 — Accepted ※ 21 July 2021 — Issue date ※ 16 April 2022 | |
| Cite • | reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml) | |