First beams from the new electron cyclotron resonance source LEGIS (LEGnaro ecrIS) at INFN-LNL

Abstract

From April 2008 the PIAVE injector for the ALPI booster was involved in the upgrade of the high voltage platform housing an electron cyclotron resonance (ECR) source. A 14.5 GHz SUPERNANOGAN type ECR replaced the existing source ALICE; at the same time, the whole platform beam line was redesigned and beam shaping and diagnostic system were installed. The source and the platform were ready to be put into operation in January 2009. PIAVE's commissioning was started from late March and completed in May 2009 using an argon beam. A description of the upgrade will be given in the following; beam quality leading to an improved transmission through the injector will be shown. Results on first gaseous and metallic beams produced will also be given.

Upgrades and developments related to stable ion beams injectors at INFN-LNL

“…Highly charged ions are produced by a 2 nd generation Electron Cyclotron Resonance Ion Source (ECRIS [3]) called LEGIS (LEGnaro ecrIS [4]), installed on a 400 kV high voltage platform. In this ion source, a plasma is created by microwave in the GHz range and confined by a particular magnetic structure (the B-minimum structure), thus allowing the production of high charge states.…”

3D Self-Consistent Full Wave – PIC Models for Investigating Space-Resolved ECR Plasma Properties

“…Fig. 4(a) shows t 1/2 of 7 Be ions injected into an an ECRIS operating at 14.428 GHz, 100 W and filled with O-gas at 5×10 −5 mbar pressure [20]. The map is purely representational in nature and highly sensitive to the initial distribution of 7 Be 0+ macroparticles -the true distribution will result in significantly higher gradients in decay rates in the plasma trap.…”

A possible optimization of electron cyclotron resonance ion sources plasma chambers

“…The geometry used to validate numerically the modification proposed in this paper is the plasma chamber of the ECRIS called LEGIS (LEGnaro ecrIS [7]) and installed at Istituto Nazionale di Fisica Nucleare-Laboratori Nazionali di Legnaro (INFN-LNL). It is a full permanent magnet source of the Supernanogan type built by the Pantechnik company, whose typical operating frequency is 14.428 GHz.…”