Synthesis of antihydrogen atoms in a CUSP trap

被引:2
|
作者
Kuroda, Naofumi [1 ]
Enomoto, Yoshinori [2 ]
Michishio, Koji [3 ]
Kim, Chanhyoun [1 ]
Higaki, Hiroyuki [4 ]
Nagata, Yugo [2 ]
Kanai, Yasuyuki [2 ]
Torii, Hiroyuki A. [1 ]
Corradini, Maurizzio [5 ,6 ]
Leali, Marco [5 ,6 ]
Lodi-Rizzini, Evandro [5 ,6 ]
Mascagna, Valerio [5 ,6 ]
Venturelli, Luca [5 ,6 ]
Zurlo, Nicola [5 ,6 ]
Fujii, Koki [1 ]
Ohtsuka, Miki [1 ]
Tanaka, Kazuo [1 ]
Imao, Hiroshi [7 ]
Nagashima, Yasuyuki [3 ]
Matsuda, Yasuyuki [1 ]
Juhasz, Bertalan [8 ]
Widmann, Eberhard [8 ]
Mohri, Akihiro [2 ]
Yamazaki, Yasunori [2 ]
机构
[1] Univ Tokyo, Grad Sch Arts & Sci, Meguro Ku, Tokyo 1538902, Japan
[2] RIKEN, Adv Sci Inst, Wako, Saitama 3510198, Japan
[3] Tokyo Univ Sci, Dept Phys, Shinjuku Ku, Tokyo 1628601, Japan
[4] Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima, Hiroshima 7398530, Japan
[5] Univ Brescia, Dipartimento Chim & Fis Ingn & Mat, I-25133 Brescia, Italy
[6] Inst Nazl Fis Nucl, Grp Coll Brescia, I-25133 Brescia, Italy
[7] RIKEN, Nishina Ctr Accelerator Based Sci, Wako, Saitama 3510198, Japan
[8] Stefan Meyer Inst Subatomare Phys, A-1090 Vienna, Austria
来源
HYPERFINE INTERACTIONS | 2012年 / 209卷 / 1-3期
关键词
Antihydrogen; CPT invariance; Atomic beam; Hyperfine splitting; MAGNETIC-MOMENT;
D O I
10.1007/s10751-012-0560-4
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
ASACUSA collaboration has been making a path to realize high precision microwave spectroscopy of ground-state hyperfine transitions of antihydrogen atom in flight for stringent test of the CPT symmetry. Recently, we have succeeded in synthesizing our first cold antihydrogen atoms employing a CUSP trap. It is expected that synthesized antihydrogen atoms in the low-field-seeking states are [GRAPHICS] preferentially focused along the cusp magnetic field axis whereas those in the high-field-seeking states are not focused, resulting in the formation of a spin-polarized antihydrogen beam. We report the recent results of antihydrogen atom synthesis and beam production developed with the CUSP trap.
引用
收藏
页码:35 / 41
页数:7
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