Status of deceleration and laser spectroscopy of highly charged ions at HITRAP

被引：3

作者：

Andelkovic, Zoran ^{[1
]}

Birkl, Gerhard ^{[2
]}

Fedotova, Svetlana ^{[1
]}

Hannen, Volker ^{[3
]}

Herfurth, Frank ^{[1
]}

Koenig, Kristian ^{[2
]}

Kotovskiy, Nikita ^{[1
]}

Maass, Bernhard ^{[2
]}

Vollbrecht, Jonas ^{[3
]}

Murboeck, Tobias ^{[2
]}

Neidherr, Dennis ^{[1
]}

Noertershaeuser, Wilfried ^{[2
]}

Schmidt, Stefan ^{[2
]}

Vogel, Manuel ^{[2
]}

Vorobjev, Gleb ^{[1
]}

Weinheimer, Christian ^{[3
]}

机构：

[1] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany

[2] Tech Univ Darmstadt, D-64289 Darmstadt, Germany

[3] Univ Munster, D-48149 Munster, Germany

来源：

HYPERFINE INTERACTIONS | 2015年 / 235卷 / 1-3期

关键词：

Highly charged ions; Deceleration; Penning trap; Sympathetic cooling; Laser spectroscopy; PENNING TRAP; GSI;

D O I：

10.1007/s10751-015-1199-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

Heavy few-electron ions are relatively simple systems in terms of electron structure and offer unique opportunities to conduct experiments under extremely large electromagnetic fields that exist around their nuclei. However, the preparation of highly charged ions (HCI) has remained the major challenge for experiments. As an extension of the existing GSI accelerator facility, the HITRAP facility was conceived as a multi-stage decelerator for HCI produced at high velocity. It is designed to prepare bunches of around 10(5) HCI and to deliver them at low energies to various experiments. One of these experiments is SpecTrap, aiming for laser spectroscopy of trapped, cold HCI. We present the latest results on deceleration of ions in a radio-frequency quadrupole, synchrotron cooling of electrons in a trap as a preparation step for the prospective electron cooling of the HCI decelerated in HITRAP, as well as laser cooling of singly charged Mg ions for sympathetic cooling of HCI in SpecTrap.

引用

页码：37 / 44

页数：8

共 50 条

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