First measurement of the velocity of slow antihydrogen atoms -: art. no. 073401

被引：68

作者：

Gabrielse, G ^{[1
]}

Speck, A

Storry, CH

LeSage, D

Guise, N

Grzonka, D

Oelert, W

Schepers, G

Sefzick, T

Pittner, H

Walz, J

Hänsch, TW

Comeau, D

Hessels, EA

机构：

[1] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[2] Forschungszentrum Julich, IKP, D-52425 Julich, Germany

[3] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[4] Univ Munich, D-80799 Munich, Germany

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

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 07期

基金：

美国国家科学基金会; 加拿大创新基金会; 加拿大自然科学与工程研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.93.073401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The speed of antihydrogen atoms is deduced from the fraction that passes through an oscillating electric field without ionizing. The weakly bound atoms used for this first demonstration travel about 20 times more rapidly than the average thermal speed of the antiprotons from which they form, if these are in thermal equilibrium with their 4.2 K container. The method should be applicable to much more deeply bound states, which may well be moving more slowly, and should aid the quest to lower the speed of the atoms as required if they are to be trapped for precise spectroscopy.

引用

页码：073401 / 1

页数：4

共 15 条

[1] Production and detection of cold antihydrogen atoms [J].

Amoretti, M ;

Amsler, C ;

Bonomi, G ;

Bouchta, A ;

Bowe, P ;

Carraro, C ;

Cesar, CL ;

Charlton, M ;

Collier, MJT ;

Doser, M ;

Filippini, V ;

Fine, KS ;

Fontana, A ;

Fujiwara, MC ;

Funakoshi, R ;

Genova, P ;

Hangst, JS ;

Hayano, RS ;

Holzscheiter, MH ;

Jorgensen, LV ;

Lagomarsino, V ;

Landua, R ;

Lindelöf, D ;

Rizzini, EL ;

Macri, M ;

Madsen, N ;

Manuzio, G ;

Marchesotti, M ;

Montagna, P ;

Pruys, H ;

Regenfus, C ;

Riedler, P ;

Rochet, J ;

Rotondi, A ;

Rouleau, G ;

Testera, G ;

Variola, A ;

Watson, TL ;

van der Werf, DP .

NATURE, 2002, 419 (6906) :456-459

[2] Production of antihydrogen [J].

Baur, G ;

Boero, G ;

Brauksiepe, S ;

Buzzo, A ;

Eyrich, W ;

Geyer, R ;

Grzonka, D ;

Hauffe, J ;

Kilian, K ;

LoVetere, M ;

Macri, M ;

Moosburger, M ;

Nellen, R ;

Oelert, W ;

Passaggio, S ;

Pozzo, A ;

Rohrich, K ;

Sachs, K ;

Schepers, G ;

Sefzick, T ;

Simon, RS ;

Stratmann, R ;

Stinzing, F ;

Wolke, M .

PHYSICS LETTERS B, 1996, 368 (03) :251-258

[3] Observation of atomic antihydrogen [J].

Blanford, G ;

Christian, DC ;

Gollwitzer, K ;

Mandelkern, M ;

Munger, CT ;

Schultz, J ;

Zioulas, G .

PHYSICAL REVIEW LETTERS, 1998, 80 (14) :3037-3040

[4] Field ionization of strongly magnetized Rydberg positronium: A new physical mechanism for positron accumulation [J].

Estrada, J ;

Roach, T ;

Tan, JN ;

Yesley, P ;

Gabrielse, G .

PHYSICAL REVIEW LETTERS, 2000, 84 (05) :859-862

[5] Background-free observation of cold antihydrogen with field-ionization analysis of its states -: art. no. 213401 [J].

Gabrielse, G ;

Bowden, NS ;

Oxley, P ;

Speck, A ;

Storry, CH ;

Tan, JN ;

Wessels, M ;

Grzonka, D ;

Oelert, W ;

Schepers, G ;

Sefzick, T ;

Walz, J ;

Pittner, H ;

Hänsch, TW ;

Hessels, EA .

PHYSICAL REVIEW LETTERS, 2002, 89 (21)

[6] Driven production of cold antihydrogen and the first measured distribution of antihydrogen states -: art. no. 233401 [J].

Gabrielse, G ;

Bowden, NS ;

Oxley, P ;

Speck, A ;

Storry, CH ;

Tan, JN ;

Wessels, M ;

Grzonka, D ;

Oelert, W ;

Schepers, G ;

Sefzick, T ;

Walz, J ;

Pittner, H ;

Hänsch, TW ;

Hessels, EA .

PHYSICAL REVIEW LETTERS, 2002, 89 (23)

[7] ANTIHYDROGEN PRODUCTION USING TRAPPED PLASMAS [J].

GABRIELSE, G ;

ROLSTON, SL ;

HAARSMA, L ;

KELLS, W .

PHYSICS LETTERS A, 1988, 129 (01) :38-42

[8] Stacking of cold antiprotons [J].

Gabrielse, G ;

Bowden, NS ;

Oxley, P ;

Speck, A ;

Storry, CH ;

Tan, JN ;

Wessels, M ;

Grzonka, D ;

Oelert, W ;

Schepers, G ;

Sefzick, T ;

Walz, J ;

Pittner, H ;

Hänsch, TW ;

Hessels, EA .

PHYSICS LETTERS B, 2002, 548 (3-4) :140-145

[9] First positron cooling of antiprotons [J].

Gabrielse, G ;

Estrada, J ;

Tan, JN ;

Yesley, P ;

Bowden, NS ;

Oxley, P ;

Roach, T ;

Storry, CH ;

Wessels, M ;

Tan, J ;

Grzonka, D ;

Oelert, W ;

Schepers, G ;

Sefzick, T ;

Breunlich, WH ;

Cargnelli, M ;

Fuhrmann, H ;

King, R ;

Ursin, R ;

Zmeskal, J ;

Kalinowsky, H ;

Wesdorp, C ;

Walz, J ;

Eikema, KSE ;

Hänsch, TW .

PHYSICS LETTERS B, 2001, 507 (1-4) :1-6

[10]

Gabrielse G, 2001, ADV ATOM MOL OPT PHY, V45, P1

← 1 2 →