In situ electromagnetic field diagnostics with an electron plasma in a Penning-Malmberg trap

被引：19

作者：

Amole, C. ^{[1
]}

Ashkezari, M. D. ^{[2
]}

Baquero-Ruiz, M. ^{[3
]}

Bertsche, W. ^{[4
,5
]}

Butler, E. ^{[6
]}

Capra, A. ^{[1
]}

Cesar, C. L. ^{[7
]}

Charlton, M. ^{[8
]}

Deller, A. ^{[8
]}

Evetts, N. ^{[9
]}

Eriksson, S. ^{[8
]}

Fajans, J. ^{[3
,10
]}

Friesen, T. ^{[11
]}

Fujiwara, M. C. ^{[12
]}

Gill, D. R. ^{[12
]}

Gutierrez, A. ^{[9
]}

Hangst, J. S. ^{[13
]}

Hardy, W. N. ^{[9
]}

Hayden, M. E. ^{[2
]}

Isaac, C. A. ^{[8
]}

Jonsell, S. ^{[14
]}

Kurchaninov, L. ^{[12
]}

Little, A. ^{[3
]}

Madsen, N. ^{[8
]}

McKenna, J. T. K. ^{[15
]}

Menary, S. ^{[1
]}

Napoli, S. C. ^{[14
]}

Olchanski, K. ^{[12
]}

Olin, A. ^{[12
]}

Pusa, P. ^{[15
]}

Rasmussen, C. O. ^{[13
]}

Robicheaux, F. ^{[16
]}

Sarid, E. ^{[17
]}

Silveira, D. M. ^{[7
]}

So, C. ^{[3
]}

Stracka, S. ^{[12
]}

Tharp, T. ^{[3
]}

Thompson, R. I. ^{[11
]}

van der Werf, D. P. ^{[8
]}

Wurtele, J. S. ^{[3
]}

机构：

[1] York Univ, Dept Phys & Astron, Toronto, ON M3J 1P3, Canada

[2] Simon Fraser Univ, Dept Phys, Burnaby, BC V5A 1S6, Canada

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

[4] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

[5] Cockcroft Inst, Warrington WA4 4AD, Cheshire, England

[6] CERN, Dept Phys, CH-1211 Geneva 23, Switzerland

[7] Univ Fed Rio de Janeiro, Inst Fis, BR-21941972 Rio De Janeiro, Brazil

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

[9] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z4, Canada

[10] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

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

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

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

[14] Stockholm Univ, Dept Phys, SE-10691 Stockholm, Sweden

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

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

[17] NRCN Nucl Res Ctr, Dept Phys, IL-84190 Beer Sheva, Israel

来源：

NEW JOURNAL OF PHYSICS | 2014年 / 16卷

基金：

英国工程与自然科学研究理事会; 加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

SINGLE-COMPONENT PLASMAS; MULTISPECIES ION-PLASMA; CYCLOTRON-RESONANCE; NONNEUTRAL PLASMAS; MASS MEASUREMENTS; MAGNETIC TRAP; ANTIHYDROGEN; SPECTROSCOPY; PRECISION; MODES;

D O I：

10.1088/1367-2630/16/1/013037

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate a novel detection method for the cyclotron resonance frequency of an electron plasma in a Penning-Malmberg trap. With this technique, the electron plasma is used as an in situ diagnostic tool for the measurement of the static magnetic field and the microwave electric field in the trap. The cyclotron motion of the electron plasma is excited by microwave radiation and the temperature change of the plasma is measured non-destructively by monitoring the plasma's quadrupole mode frequency. The spatially resolved microwave electric field strength can be inferred from the plasma temperature change and the magnetic field is found through the cyclotron resonance frequency. These measurements were used extensively in the recently reported demonstration of resonant quantum interactions with antihydrogen.

引用

页数：19

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