Antiproton confinement in a Penning-Ioffe trap for antihydrogen.

Antiproton confinement in a Penning-Ioffe trap for antihydrogen.
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反质子被限制在潘宁-约夫陷阱中的反氢原子中。

DOI:
10.1103/physrevlett.98.113002
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发表时间:
2007
影响因子:
8.6
通讯作者:
T. Hänsch
T. Hänsch
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
G. Gabrielse;P. Larochelle;D. Le Sage;B. Levitt;W. Kolthammer;I. Kuljanishvili;R. McConnell;J. Wrubel;F. Esser;H. Glückler;D. Grzonka;G. Hansen;S. Martin;W. Oelert;J. Schillings;M. Schmitt;T. Sefzick;H. Soltner;Z. Zhang;D. Comeau;M. George;E. A. Hessels;C. H. Storry;M. Weel;A. Speck;F. Nillius;J. Walz;T. Hänsch

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当添加四极 Ioffe 陷阱的径向场时,反质子 (p[over]) 仍被限制在潘宁陷阱中,其数量足以通过电荷交换形成反氢 (H[over]) 原子。 p[over] 的首次演示表明,四极 Ioffe 陷阱可以叠加在 p[over] 和 e(+) 陷阱上,以尝试在 H[over] 原子形成时捕获它们,这与之前分析的结论相反。
Antiprotons (p[over]) remain confined in a Penning trap, in sufficient numbers to form antihydrogen (H[over ) atoms via charge exchange, when the radial field of a quadrupole Ioffe trap is added. This first demonstration with p[over] suggests that quadrupole Ioffe traps can be superimposed upon p[over] and e(+) traps to attempt the capture of H[over] atoms as they form, contrary to conclusions of previous analyses.