Antimatter plasmas in a multipole trap for antihydrogen

被引：82

作者：

Andresen, G. ^{[1
]}

Bertsche, W.

Boston, A.

Bowe, P. D.

Cesar, C. L.

Chapman, S.

Charlton, M.

Chartier, M.

Deutsch, A.

Fajans, J.

Fujiwara, M. C.

Funakoshi, R.

Gill, D. R.

Gomberoff, K.

Hangst, J. S.

Hayano, R. S.

Hydomako, R.

Jenkins, M. J.

Jorgensen, L. V.

Kurchaninov, L.

Madsen, N.

Nolan, P.

Olchanski, K.

Olin, A.

Povilus, A.

Robicheaux, F.

Sarid, E.

Silveira, D. M.

Storey, J. W.

Telle, H. H.

Thompson, R. I.

van der Werf, D. P.

Wurtele, J. S.

Yamazaki, Y.

机构：

[1] Aarhus Univ, Dept Phys & Astron, DK-8000 Aarhus C, Denmark

[2] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[3] Univ Liverpool, Dept Phys, Liverpool L69 7ZE, Merseyside, England

[4] Univ Fed Rio de Janeiro, Inst Fis, BR-21945970 Rio De Janeiro, Brazil

[5] Univ Coll Swansea, Dept Phys, Swansea SA2 8PP, W Glam, Wales

[6] TRIUMF, Vancouver, BC V6T 2A3, Canada

[7] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[8] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[9] Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada

[10] Auburn Univ, Dept Phys, Auburn, AL 36849 USA

[11] Nucl Res Ctr Negev, Dept Phys, IL-84190 Beer Sheva, Israel

[12] RIKEN, Atom Phys Lab, Wako, Saitama 3510198, Japan

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.98.023402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have demonstrated storage of plasmas of the charged constituents of the antihydrogen atom, antiprotons and positrons, in a Penning trap surrounded by a minimum-B magnetic trap designed for holding neutral antiatoms. The neutral trap comprises a superconducting octupole and two superconducting, solenoidal mirror coils. We have measured the storage lifetimes of antiproton and positron plasmas in the combined Penning-neutral trap, and compared these to lifetimes without the neutral trap fields. The magnetic well depth was 0.6 T, deep enough to trap ground state antihydrogen atoms of up to about 0.4 K in temperature. We have demonstrated that both particle species can be stored for times long enough to permit antihydrogen production and trapping studies.

引用

页数：4

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