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

页码：35 / 41

页数：7

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