Magnetic-field uniformity in neutron electric-dipole-moment experiments

被引：21

作者：

Abel, C. ^{[1
]}

Ayres, N. J. ^{[1
]}

Baker, T. ^{[2
]}

Ban, G. ^{[3
]}

Bison, G. ^{[4
]}

Bodek, K. ^{[5
]}

Bondar, V ^{[6
]}

Crawford, C. B. ^{[7
]}

Chiu, P-J ^{[4
]}

Chanel, E. ^{[8
]}

Chowdhuri, Z. ^{[4
]}

Daum, M. ^{[4
]}

Dechenaux, B. ^{[3
]}

Emmenegger, S. ^{[9
]}

Ferraris-Bouchez, L. ^{[10
]}

Flaux, P. ^{[3
]}

Geltenbort, P. ^{[11
]}

Green, K. ^{[2
]}

Griffith, W. C. ^{[1
]}

van der Grinten, M. ^{[2
]}

Harris, P. G. ^{[1
]}

Henneck, R. ^{[4
]}

Hild, N. ^{[4
]}

Iaydjiev, P. ^{[2
]}

Ivanov, S. N. ^{[2
]}

Kasprzak, M. ^{[4
]}

Kermaidic, Y. ^{[10
]}

Kirch, K. ^{[4
,9
]}

Koch, H-C ^{[4
,9
]}

Komposch, S. ^{[4
,9
]}

Koss, P. A. ^{[6
]}

Kozela, A. ^{[12
]}

Krempel, J. ^{[9
]}

Lauss, B. ^{[4
]}

Lefort, T. ^{[3
]}

Lemiere, Y. ^{[3
]}

Leredde, A. ^{[10
]}

Mohanmurthy, P. ^{[4
,9
]}

Pais, D. ^{[4
]}

Piegsa, F. M. ^{[8
]}

Pignol, G. ^{[10
]}

Quemener, G. ^{[3
]}

Rawlik, M. ^{[9
]}

Rebreyend, D. ^{[10
]}

Ries, D. ^{[13
]}

Roccia, S. ^{[14
]}

Rozpedzik, D. ^{[5
]}

Schmidt-Wellenburg, P. ^{[4
]}

Schnabel, A. ^{[15
]}

Severijns, N. ^{[6
]}

机构：

[1] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England

[2] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[3] Normandie Univ, CNRS, LPC Caen, UNICAEN,ENSICAEN,IN2P3, Caen, France

[4] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[5] Jagiellonian Univ, Marian Smoluchowski Inst Phys, PL-30348 Krakow, Poland

[6] Katholieke Univ Leuven, Inst Kern Stralingsfys, B-3001 Leuven, Belgium

[7] Univ Kentucky, Lexington, KY 40506 USA

[8] Univ Bern, Albert Einstein Ctr Fundamental Phys, Lab High Energy Phys, CH-3012 Bern, Switzerland

[9] Swiss Fed Inst Technol, Inst Particle Phys & Astrophys, CH-8093 Zurich, Switzerland

[10] Univ Grenoble Alpes, CNRS, Grenoble INP, LPSC,IN2P3, Grenoble, France

[11] Inst Laue Langevin, F-38042 Grenoble, France

[12] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

[13] Johannes Gutenberg Univ Mainz, Inst Nucl Chem, D-55128 Mainz, Germany

[14] Univ Paris Saclay, Univ Paris Sud, CSNSM, CNRS,IN2P3, Orsay, France

[15] Phys Tech Bundesanstalt, D-10587 Berlin, Germany

[16] Univ Fribourg, Phys Dept, CH-1700 Fribourg, Switzerland

来源：

PHYSICAL REVIEW A | 2019年 / 99卷 / 04期

基金：

瑞士国家科学基金会;

关键词：

RELAXATION; ATOMS;

D O I：

10.1103/PhysRevA.99.042112

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Magnetic-field uniformity is of the utmost importance in experiments to measure the electric dipole moment of the neutron. A general parametrization of the magnetic field in terms of harmonic polynomial modes is proposed, going beyond the linear-gradients approximation. We review the main undesirable effects of nonuniformities: depolarization of ultracold neutrons and Larmor frequency shifts of neutrons and mercury atoms. The theoretical predictions for these effects were verified by dedicated measurements with the single-chamber neutron electricdipole-moment apparatus installed at the Paul Scherrer Institute.

引用

页数：15

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