How to Reach a Thousand-Second in-Plane Polarization Lifetime with 0.97-GeV/c Deuterons in a Storage Ring

被引：55

作者：

Guidoboni, G. ^{[1
,2
]}

Stephenson, E. ^{[3
]}

Andrianov, S. ^{[4
]}

Augustyniak, W. ^{[5
]}

Bagdasarian, Z. ^{[6
,7
]}

Bai, M. ^{[7
,8
,9
]}

Baylac, M. ^{[10
]}

Bernreuther, W. ^{[8
,9
,11
]}

Bertelli, S. ^{[1
,2
]}

Berz, M. ^{[12
]}

Boeker, J. ^{[7
]}

Boehme, C. ^{[7
]}

Bsaisou, J. ^{[7
,13
]}

Chekmenev, S. ^{[14
]}

Chiladze, D. ^{[6
,7
]}

Ciullo, G. ^{[1
,2
]}

Contalbrigo, M. ^{[1
,2
]}

de Conto, J. -M. ^{[10
]}

Dymov, S. ^{[7
,15
]}

Engels, R. ^{[7
]}

Esser, F. M. ^{[16
]}

Eversmann, D. ^{[14
]}

Felden, O. ^{[7
]}

Gaisser, M. ^{[17
]}

Gebel, R. ^{[7
]}

Glueckler, H. ^{[16
]}

Goldenbaum, F. ^{[7
]}

Grigoryev, K. ^{[14
]}

Grzonka, D. ^{[7
]}

Hahnraths, T. ^{[7
]}

Heberling, D. ^{[8
,9
,18
]}

Hejny, V. ^{[7
]}

Hempelmann, N. ^{[14
]}

Hetze, J. ^{[7
]}

Hinder, F. ^{[7
,14
]}

Hipple, R. ^{[12
]}

Hoelscher, D. ^{[18
]}

Ivanov, A. ^{[4
,6
]}

Kacharava, A. ^{[7
]}

Kamerdzhiev, V. ^{[7
]}

Kamys, B. ^{[19
]}

Keshelashvili, I. ^{[7
]}

Khoukaz, A. ^{[20
]}

Koop, I. ^{[21
]}

Krause, H. -J. ^{[22
]}

Krewald, S. ^{[7
]}

Kulikov, A. ^{[15
]}

Lehrach, A. ^{[7
,8
,9
]}

Lenisa, P. ^{[1
,2
]}

Lomidze, N. ^{[6
]}

机构：

[1] Univ Ferrara, I-44100 Ferrara, Italy

[2] INFN, I-44100 Ferrara, Italy

[3] Indiana Univ, Ctr Spacetime Symmetries, Bloomington, IN 47405 USA

[4] St Petersburg State Univ, Fac Appl Math & Control Proc, St Petersburg 198504, Russia

[5] Natl Ctr Nucl Res, Dept Nucl Phys, PL-00681 Warsaw, Poland

[6] Tbilisi State Univ, High Energy Phys Inst, Tbilisi 0186, Georgia

[7] Forschungszentrum Julich, Inst Kernphys, D-52425 Julich, Germany

[8] Forschungszentrum Julich, JARA FAME Forces & Matter Experiments, D-52056 Aachen, Germany

[9] Rhein Westfal TH Aachen, D-52056 Aachen, Germany

[10] Univ Grenoble Alpes, CNRSIN2P3, LPSC, F-38000 Grenoble, France

[11] Rhein Westfal TH Aachen, Inst Theoret Teilchenphys & Kosmol, D-52056 Aachen, Germany

[12] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[13] Forschungszentrum Julich, Inst Adv Simulat, D-52425 Julich, Germany

[14] Rhein Westfal TH Aachen, Phys Inst B 3, D-52056 Aachen, Germany

[15] Joint Inst Nucl Res, Lab Nucl Problems, Dubna 141980, Russia

[16] Forschungszentrum Julich, Zentralinst Engn Elekt & Analyt, D-52425 Julich, Germany

[17] Inst for Basic Sci Korea, Ctr Axion & Precis Phys Res, 291 Daehak Ro, Daejeon 305701, South Korea

[18] Rhein Westfal TH Aachen, Inst Hochfrequenztech, D-52056 Aachen, Germany

[19] Jagiellonian Univ, Inst Phys, PL-30348 Krakow, Poland

[20] Univ Munster, Inst Kernphys, D-48149 Munster, Germany

[21] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[22] Forschungszentrum Julich, Peter Grunberg Inst, D-52425 Julich, Germany

[23] Univ Bonn, Helmholtz Inst Strahlen & Kernphys, D-53115 Bonn, Germany

[24] Univ Bonn, Bethe Ctr Theoret Phys, D-53115 Bonn, Germany

[25] LD Landau Inst Theoret Phys, Chernogolovka 142432, Russia

[26] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia

[27] Cornell Univ, Ithaca, NY 14850 USA

[28] Samara State Aerosp Univ, Samara 443086, Russia

[29] Korea Adv Inst Sci & Technol, Dept Phys, Daejeon 305701, South Korea

[30] Belarusian State Univ, Res Inst Nucl Problems, Minsk 220030, BELARUS

[31] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia

[32] KTH Royal Inst Technol, Dept Phys, SE-10691 Stockholm, Sweden

[33] Petersburg Nucl Phys Inst, Gatchina 188300, Russia

[34] UCL, Dept Phys & Astron, London WC1E 6BT, England

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 05期

基金：

美国国家科学基金会; 俄罗斯科学基金会;

关键词：

ANOMALOUS MAGNETIC-MOMENTS; ELECTRIC-DIPOLE MOMENTS; SENSITIVITY;

D O I：

10.1103/PhysRevLett.117.054801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We observe a deuteron beam polarization lifetime near 1000 s in the horizontal plane of a magnetic storage ring (COSY). This long spin coherence time is maintained through a combination of beam bunching, electron cooling, sextupole field corrections, and the suppression of collective effects through beam current limits. This record lifetime is required for a storage ring search for an intrinsic electric dipole moment on the deuteron at a statistical sensitivity level approaching 10(-29) e cm.

引用

页数：6

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