Production and trapping of francium atoms

被引：10
|
作者：
Atutov, SN
Biancalana, V
Burchianti, A
Calabrese, R
Corradi, L
Dainelli, A
Guidi, V
Khanbekyan, A
Mai, B
Marinelli, C
Mariotti, E
Moi, L
Sanguinetti, S
Stancari, G
Tomassetti, L
Veronesi, S
机构：
[1] Univ Ferrara, I-44100 Ferrara, Italy
[2] Ist Nazl Fis Nucl, I-44100 Ferrara, Italy
[3] Univ Siena, I-53100 Siena, Italy
[4] INFM, I-53100 Siena, Italy
[5] Lab Nazl Legnaro, I-35020 Legnaro, PD, Italy
来源：
NUCLEAR PHYSICS A | 2004年 / 746卷
关键词：
D O I：
10.1016/j.nuclphysa.2004.09.114
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
A new facility has been constructed at the INFN Legnaro National Laboratory (LNL) for the production of francium isotopes via a fusion-evaporation nuclear reaction and a laser laboratory has been set up for francium trapping. Francium is produced inside a gold target and after diffusion desorbs from its surface as an ion. A secondary beam line delivers the francium ions to the trapping cell where they are neutralized and trapped in a magneto-optical trap (MOT). Details on the production, delivery and neutralization methods are presented. Preliminary results on trapped francium are also shown. Production rate of similar or equal to 10(6) ions/s and a trap population of about 100 atoms have been achieved.
引用
收藏
页码：421C / 424C
页数：4
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