Beam preparation for studying the gravitational behavior of antimatter at rest (GBAR)
Beam preparation for studying the gravitational behavior of antimatter at rest (GBAR)
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用于研究静止反物质引力行为的光束制备 (GBAR)
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
P. Hardy
中科院分区：
文献类型：
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作者：
D. Lunney;P. Dupré;P. Grandemange;V. Manea;T. Mortensen;S. Cabaret;S. Pitrel;P. Comini;P. Debu;L. Liszkay;P. Lotrus;P. Pérez;J. Rey;J. Reymond;N. Ruiz;Y. Sacquin;B. Vallage;D. Brook;P. Hardy
介绍了欧洲核子研究中心AD-7实验“静止反物质引力行为”（GBAR）对反质子和正电子束流的具体要求。GBAR将合成反氢离子，在对原子进行自由落体实验之前对其进行同情冷却。由欧洲核子研究中心（CERN）的ELENA设备以100 keV， 300 ns脉冲发射的反质子将通过脉冲漂移管静电减速并转化为keV能量。正电子是用线性电子加速器产生的，并被收集到潘宁-马尔姆伯格陷阱中。介绍了这些离子光学系统的现状。
The specific antiproton- and positron-beam requirements of the CERN AD-7 experiment, GBAR (Gravitational Behavior of Antimatter at Rest) are presented. GBAR will synthesize antihydrogen ions which will be sympathetically cooled before performing a free-fall experiment on the atom. Antiprotons delivered by CERN’s ELENA facility in 100-keV, 300-ns pulses will be electrostatically decelerated and transformed to keV energies using a pulsed drift tube. Positrons are created using a linear electron accelerator and collected into a Penning-Malmberg trap. Descriptions of these ion optical systems are given along with the status.