ECRIS development for stable and radioactive pulsed beams

被引：19

作者：

Sortais, P ^{[1
]}

Bouly, JL ^{[1
]}

Curdy, JC ^{[1
]}

Lamy, T ^{[1
]}

Sole, P ^{[1
]}

Thuillier, T ^{[1
]}

Vieux-Rochaz, JL ^{[1
]}

Voulot, D ^{[1
]}

机构：

[1] UJF, CNRS, IN2P3, LPSC, F-38026 Grenoble, France

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2004年 / 75卷 / 05期

关键词：

D O I：

10.1063/1.1695645

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The latest 28 and 37.5 GHz developments show that very intense pulsed beams of medium charge states can be produced with an ECRIS. We will present latest results obtained with PHOENIX 28 GHz in afterglow mode operation and specially the capacity of the source to produce high current of medium charge states despite a relatively low radial magnetic confinement system. Initially, these developments have been made for Pbn+ ion production for the LHC. A program is now underway by using a very strong ionic pumping effect in order to produce highly bunched beams of radioactive ions suitable for synchrotron acceleration for the CERN Beta-beam project. The purpose of this program consists of producing about 10(12) of He-6 or Ne-18 ions/bunch within 100 mus pulse durations and with a 10 Hz repetition rate. This development must use two ECRIS advantages: the gas efficiency and the bunching capability. We will present a concept showing how we can bunch and ionize the radioactive gas injected in a cw operation source. Experimental data will be presented to illustrate this approach. To match the ionizing time to the time structure of the synchrotron used for the postacceleration we have to imagine a pulsed device using 60 GHz rf power and above; this is the purpose of this presentation. (C) 2004 American Institute of Physics.

引用

页码：1610 / 1612

页数：3

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