Atoms made entirely of antimatter: Two methods produce slow antihydrogen

Advances in Atomic, Molecular and Optical Physics

Volumn 50, Issue , 2005, Pages 155-217

  Gabrielse, G ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

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EID: 28844497159     PISSN: 1049250X     EISSN: None     Source Type: Book Series    
DOI: 10.1016/S1049-250X(05)80009-6     Document Type: Article

References (157)

1. Adelberger E.G., and Heckel B.R. Adelberger and heckel reply. Phys. Rev. Lett. 67 (1991) 1049
2. Adelberger E.G., Heckel B.R., Stubbs C.W., and Su Y. Does antimatter fall with the same acceleration as ordinary matter?. Phys. Rev. Lett. 66 (1991) 850-853
3. Amoretti M., et al. Production and detection of cold antihydrogen atoms. Nature 419 (2002) 456-459
4. Amoretti M., et al. Positron plasma diagnostics and temperature control for antihydrogen production. Phys. Rev. Lett. 91 (2003) 55001
5. Amoretti M., et al. Complete nondestructive diagnostic of nonneutral plasmas based on the detection of electrostatic modes. Phys. Plas. 10 (2003) 3056-3064
6. Amoretti M., et al. Dynamics of antiproton cooling in a positron plasma during antihydrogen formation. Phys. Lett. B 590 (2004) 133-142
7. Amoretti M., et al. High rate production of antihydrogen. Phys. Lett. B 578 (2004) 23-32
8. Amoretti M., et al. The ATHENA antihydrogen apparatus. Nuc. Inst. Meth. A 518 (2004) 679-711
9. Amoretti M., et al. Antihydrogen production temperature dependence. Phys. Lett. B 583 (2004) 59-67
10. Anderegg F., Hollmann E.M., and Driscoll C.F. Rotating field confinement of pure electron plasmas using trivelpiece-gould modes. Phys. Rev. Lett. 81 (1998) 4875-4878
11. Armour, E.A.G. (2004a). To be published.
12. Armour, E.A.G. (2004b). Private communication.
13. Armour E.A.G., and Chamberlain C.W. New Directions in Antimatter Chemistry and Physics (2001), Kluwer Academic 53
14. Armour E.A.G., and Chamberlain C.W. Calculation of cross sections for very low-energy hydrogen-antihydrogen scattering using the Kohn variational method. J. Phys. B 35 (2002) L489-L494
15. Armour E.A.G., Chamberlain C.W., Liu Y., and Martin G.D.R. Collisions between low-energy antihydrogen and atoms. Nuc. Inst. Meth. B 221 (2004) 1-5
16. Aste A. Electromagnetic pair production with capture. Phys. Rev. A 50 (1994) 3890-3983
17. Bass E.M., and Dubin D.H.E. Energy loss rate for guiding-center antihydrogen atoms. Phys. Plas. 11 (2004) 1240-1243
18. Bates D.R., Kingston A.E., and McWhirter R.W.P. Recombination between electrons and atomic ions 1. Optically Thin Plasmas. Proc. Roy. Soc. Lond. A 267 (1962) 297-312
19. Baur G. Photon-photon and bremsstrahlung production of fast antihydrogen in p--nucleus collisions. Phys. Lett. B 311 (1993) 343-345
20. Baur G., Boero G., Brauksiepe S., Buzzo A., Eyrich W., Geyer R., Grzonka D., Hauffe J., Kilian K., Vetere M.L., Macri M., Moosburger M., Nellen R., Oelert W., Passaggio S., Pozzo A., Rohrich K., Sachs K., Schepers G., Sefzick T., Simon R., Stratmann R., Stinzing F., and Wolke M. Production of antihydrogen. Phys. Lett. B 368 (1996) 251-258
21. Bell J.S. Fundamental Symmetries. Old and New Theories and Experiments of Gravitation (1987), Plenum, New York 1-39
22. Bender C.M., and Orszag S.A. Advanced Mathematical Methods for Scientists and Engineers (1978), McGraw-Hill, New York
23. Bertulani C.A., and Baur G. Antihydrogen production and accuracy of the equivalent photon approximation. Phys. Rev. D 58 (1998) 34005
24. Blanford G., Christian D.C., Gollwitzer K., Mandelkern M., Munger C.T., Schultz J., and Zioulas G. Observation of atomic antihydrogen. Phys. Rev. Lett. 80 (1998) 3037-3040
25. Bluhm R., Kostelecký V.A., and Russell N. CPT and Lorentz tests in hydrogen and antihydrogen. Phys. Rev. Lett. 82 (1999) 2254-2257
26. Bollinger J.J., Heinzen D.J., Moore F.L., Itano W.M., Wineland D.J., and Dubin D.H.E. Electrostatic modes of ion-trap plasmas. Phys. Rev. A 48 (1993) 525-545
27. (thesis advisor: G. Gabrielse). Bowden N.B. Production of cold antihydrogen during the positron cooling of antiprotons. Ph.D. thesis (2003), Harvard Univ.
28. Brown L.S., and Gabrielse G. Geonium theory: Physics of a single electron or ion in a Penning trap. Rev. Mod. Phys. 58 (1986) 233-311
29. Cesar C.L., Fried D.G., Killian T.C., Polcyn A.D., Sandberg J.C., Yu I.A., Greytak T.J., Kleppner D., and Doyle J.M. Two-photon spectroscopy of trapped atomic hydrogen. Phys. Rev. Lett. 77 (1996) 255-258
30. Chang Y., and Ordonez C.A. Velocity space scattering coefficients with applications in antihydrogen recombination studies. Phys. Rev. E 62 (2000) 8564-8572
31. Chang Y., and ordonez C.A. Plasma two-temperature equilibation rate. Phys. Rev. E 69 (2004) 037401
32. Charlton M. Antihydrogen production in collisions of antiprotons with excited states of positronium. Phys. Lett. A 143 (1990) 143-146
33. Coc A., et al. Antiproton-proton mass comparison with a radiofrequency mass spectrometer. Low Energy Antiproton Physics-LEAP 90 (1991), World Scientific, Singapore 431-436
34. Colladay D., and Kostelecký V.A. CPT violation and the standard model. Phys. Rev. D 55 (1997) 6760-6774
35. Ch 4. Collisions of H and Hbar. Dalgarno A., Froelich P., Jonsell S., Saenz A., and Zygelman B. New Directions in Antimatter Chemistry and Physics (2001), Kluwer Academic, Dordrecht 212
36. Driscoll C.F. Comment on Driven production of cold antihydrogen and the first measured distribution of antihydrogen states. Phys. Rev. Lett. 92 (2004) 149303
37. Dubin D.H.E. Three designs for a magnetic trap that will simultaneously confine neutral atoms and a non-neutral plasma. Phys. Plas. 8 (2001) 4331-4339
38. Dubin D.H.E. Theory of electrostatic fluid modes in a cold spheroidal non-neutral plasma. Phys. Rev. Lett. 66 (1991) 2076-2079
39. Dubin D.H.E., and O'Neil T.M. Trapped nonneutral plasmas, liquids, and crystals (the thermal equilibrium states). Rev. Mod. Phys. 71 (1999) 87-172
40. D'Urso B., Odom B., and Gabrielse G. Feedback cooling of a one-electron oscillator. Phys. Rev. Lett. 90 4 (2003) 043001
41. To be published. D'Urso B., Van Handel R., Odom B., Hanneke D., and Gabrielse G. Single-particle self-excited oscillator. Phys. Rev. Lett. (2004)
42. Eikema K.S.E., Walz J., and Hänsch T.W. Continuous wave coherent Lyman-alpha radiation. Phys. Rev. Lett. 83 (1999) 3828-3831
43. Eikema K.S.E., Walz J., and Hänsch T.W. Continuous coherent Lyman-α excitation of atomic hydrogen. Phys. Rev. Lett. 86 (2001) 5679-5682
44. Estrada J., Roach T., Tan J.N., Yesley P., and Gabrielse G. Field ionization of strongly magnetized Rydberg positronium: A new physical mechanism for positron accumulation. Phys. Rev. Lett. 84 (2000) 859-862
45. Fajans J., and Schmidt A. Malmberg-Penning and Minimum-B trap compatibility: the advantages of higher-order multipole traps. Nuc. Inst. Meth. A 521 (2004) 318-325
46. Fedichev P.O. Formation of antihydrogen atoms in an ultra-cold positron-antiproton plasma. Phys. Lett. A 226 (1997) 289-292
47. Flannery M.R., and Vrinceanu D. Quantal and classical radiative cascade in Rydberg plasmas. Phys. Rev. A 68 (2003) 030502
48. Froelich P. Quantum chemistry of antimatter. Adv. Quant Chem. 41 (2002) 185-202
49. Froelich P., Jonsell S., Saenz A., Eriksson S., Zygelman B., and Dalgarno A. Leptonic annihilation in hydrogen-antihydrogen collisions. Phys. Rev. A 70 (2004) 022509
50. Froelich P., Jonsell S., Saenz A., Zygelman B., and Dalgarno A. Hydrogen anithydrogen collisions. Phys. Rev. Lett. 84 (2000) 4577-4580
51. Froelich P., Zygelman B., Saenz A., Jonsell S., Eriksson S., and Dalgarno A. Hydrogen-antihydrogen molecule and its properties. Few-Body Syst. 34 (2004) 63-72
52. Fujiwara M.C., et al. Three-dimensional annihilation imaging of trapped antiprotons. Phys. Rev. Lett. 92 (2004) 065005
53. Gabrielse G. Penning traps, masses and antiprotons. In: Bloch P., Paulopoulos P., and Klapisch R. (Eds). Fundamental Symmetries (1987), Plenum, New York 59-75
54. Gabrielse G. Trapped antihydrogen for spectroscopy and gravitation studies: Is it possible?. Hyperfine Interact. 44 (1988) 349-355
55. Gabrielse G. Comparing the antiproton and proton, and opening the way to cold antihydrogen. Adv. At. Mol. Opt. Phys. 45 (2001) 1-39
56. Gabrielse, G. 2004. To be published.
57. Gabrielse G., Bowden N.S., Oxley P., Speck A., Storry C.H., Tan J.N., Wessels M., Grzonka D., Oelert W., Schepers G., Sefzick T., Walz J., Pittner H., Hänsch T.W., and Hessels E.A. Background-free observation of cold antihydrogen with field ionization analysis of its excited states. Phys. Rev. Lett. 89 (2002) 213401
58. Gabrielse G., Bowden N.S., Oxley P., Speck A., Storry C.H., Tan J.N., Wessels M., Grzonka D., Oelert w., Schepers G., Sefzick T., Walz J., Pittner H., Hänsch T.W., and Hessels E.A. Driven production of cold antihydrogen and the first measured distribution of antihydrogen states. Phys. Rev. Lett. 89 (2002) 233401
59. Gabrielse G., Bowden N.S., Oxley P., Speck A., Storry C.H., Tan J.N., Wessels M., Grzonka D., Oelert W., Schepers G., Sefzick T., Walz J., Pittner H., and Hessels E.A. Stacking of cold antiprotons. Phys. Lett. B 548 (2002) 140-145
60. Gabrielse G., Estrada J., Tan J.N., Yesley P., Bowden N.S., Oxley P., Roach T., Storry C.H., Wessels M., Tan J., Grzonka D., Oelert W., Schepers G., Sefzick T., Breunlich W., Cargnelli M., Fuhrmann H., King R., Ursin R., Zmeskal H., Kalinowsky H., Wesdorp C., Walz J., Eikema K.S.E., and Hänsch T. First positron cooling of antiprotons. Phys. Lett. B 507 (2001) 1-6
61. Gabrielse G., et al. ATRAP replies. Phys. Rev. Lett. 92 (2004) 149304
62. Gabrielse G., Fei X., Helmerson K., Rolston S.L., Tjoelker R.L., Trainor T.A., Kalinowsky H., Haas J., and Kells W. First capture of antiprotons in a Penning trap: A kiloelectronvolt source. Phys. Rev. Lett. 57 (1986) 2504-2507
63. Gabrielse G., Fei X., Orozco L.A., Rolston S.L., Tjoelker R.L., Trainor T.A., Haas J., Kalinowsky H., and Kells W. Barkas effect observed with antiprotons and protons. Phys. Rev. A 40 (1989) 481-484
64. Gabrielse G., Fei X., Orozco L.A., Tjoelker R.L., Haas J., Kalinowsky H., Trainor T.A., and Kells W. Cooling and slowing of trapped antiprotons below 100 meV. Phys. Rev. Lett. 63 (1989) 1360-1363
65. Gabrielse G., Fei X., Orozco L.A., Tjoelker R.L., Haas J., Kalinowsky H., Trainor T.A., and Kells W. Thousandfold improvement in the measured antiproton mass. Phys. Rev. Lett. 65 (1990) 1317-1320
66. Gabrielse G., Haarsma L., and Rolston S.L. Open-endcap Penning traps for high-precision experiments. Intl. J. Mass Spec. Ion Proc. 88 (1989) 319-332
67. Gabrielse G., Haarsma L., and Rolston S.L. Open-endcap Penning traps for high-precision experiments. Intl. J. Mass Spec. Ion Proc. 88 (1989) 93
68. Gabrielse G., Haarsma L., and Rolston S.L. Open-endcap Penning traps for high-precision experiments. Intl. J. Mass Spec. Ion Proc. 88 (1989) 121
69. Gabrielse G., Hall D.S., Roach T., Yesley P., Khabbaz A., Estrada J., Heimann C., and Kalinowsky H. The ingredients of cold antihydrogen: simultaneous confinement of antiprotons and positrons at 4 K. Phys. Lett. B 455 (1999) 311-315
70. Gabrielse G., Khabbaz A., Hall D.S., Heimann C., Kalinowsky H., and Jhe W. Precision mass spectroscopy of the antiproton and proton using simultaneously trapped particles. Phys. Rev. Lett. 82 (1999) 3198-3201
71. Gabrielse G., Rolston S.L., Haarsma L., and Kells W. Antihydrogren production using trapped plasmas. Phys. Lett. A 129 (1988) 38-42
72. Submitted for publication. Gabrielse G., Speck A., Storry C.H., Le Sage D., Guise N., Grzonka D., Oelert W., Schepers G., Sefzick T., Pittner H., Walz J., Hänsch T.W., Comeau D., and Hessels E.A. First evidence for antihydrogen too deeply bound to be guiding center atoms (2004)
73. Gabrielse G., Speck A., Storry C.H., Le Sage D., Guise N., Grzonka D., Oelert W., Schepers G., Sefzick T., Pittner H., Walz J., Hänsch T.W., Comeau D., and Hessels E.A. First measurement of the velocity of slow antihydrogen atoms. Phys. Rev. Lett. 93 (2004) 073401
74. Gilson E., and Fajans J. Quadrupole induced resonant particle transport in a pure electron plasma. Non-neutral Plasma Physics III (1999), AIP, New York 250-255
75. Gilson E.P., and Fajans J. Quadrupole-induced resonant-particle transport in a pure electron plasma. Phys. Rev. Lett. 90 (2003) 015001
76. Glinsky M., and O'Neil T. Guiding center atoms: Three-body recombination in a strongly magnetized plasma. Phys. Fluids B3 (1991) 1279-1293
77. Goldman T., Hughes R.J., and Nieto M.M. Experimental evidence for quantum gravity?. Phys. Lett. B 171 (1986) 217-222
78. Goldman T., Nieto M.M., Holzsheiter M.H., Darling T.W., Schauer M., and Schecker J. Comment on "Does antimatter fall with the same acceleration as ordinary matter?". Phys. Rev. Lett. 67 (1991) 1048
79. Gott Y.V., Ioffe M.S., and Tel'kovskii V.G. Some new results on confinement in magnetic traps. Nuc. Fusion 1962 Suppl. Pt. 3 (1962) 1045-1047
80. Greaves R.G., Tinkle M.D., and Surko C.M. Creation and uses of positron plasmas. Phys. Plas. 1 (1994) 1439-1446
81. Guest J.R., Choi J.-H., and Raithel G. Decay rates of high-[m] Rydberg states in strong magnetic fields. Phys. Rev. A 68 (2003) 022509
82. Guest J.R., and Raithel G. High-[m] Rydberg states in strong magnetic fields. Phys. Rev. A 68 (2003) 052502
83. Haarsma L.H., Abdullah K., and Gabrielse G. Extremely cold positrons accumulated electronically in ultrahigh vacuum. Phys. Rev. Lett. 75 (1995) 806-809
84. Hall D.S., and Gabrielse G. Electron cooling of protons in a nested Penning trap. Phys. Rev. Lett. 77 (1996) 1962-1965
85. Hess H.F. Evaporative cooling of magneticallyl trapped and compressed spin-polarized hydrogen. Phys. Rev. B 34 (1986) 3476-3479
86. Hess H.F., Kochanski G.P., Doyle J.M., Masuhara N., Kleppner D., and Greytak T.J. Magnetic trapping of spin-polarized atomic hydrogen. Phys. Rev. Lett. 59 (1987) 672-675
87. Hessels E.A., Homan D.M., and Cavagnero M.J. Two-stage Rydberg charge exchange: An efficient method for production of antihydrogen. Phys. Rev. A 57 (1998) 1668-1671
88. Holzscheiter M.H., Feng X., Goldman T., King N.S.P., Lewis R.A., Nieto M.M., and Smith G.A. Are antiprotons forever?. Phys. Lett. A 214 (1996) 279-284
89. + atoms, and new CPT-violation limits on the antiproton charge and mass. Phys. Rev. Lett. 91 (2003) 123401
90. Hu S.X., and Collins L.A. Redistributing populations of Rydberg atoms with half-cycle pulses. Phys. Rev. A 69 (2004) 041402R
91. Huang X.P., Anderegg F., Hollmann E.M., Driscoll C.F., and O'Neil T.M. Steady-state confinement of non-neutral plasmas by rotating electric fields. Phys. Rev. Lett. 78 (1997) 875-878
92. Hughes R.J., and Deutch B.I. Electric charges of positrons and antiprotons. Phys. Rev. Lett. 69 (1992) 578-581
93. Hughes R.J., and Holzscheiter M.H. Constraints on the gravitational properties of antiprotons and positrons from cyclotron frequency measurements. Phys. Rev. Lett. 66 (1991) 854-857
94. Humberston J.W., Charlton M., Jacobsen F.M., and Deutch B.I. On antihydrogen formation in collisions of antiprotons with positronium. J. Phys. B 20 (1987) L25-L29
95. Jelenkovic B.M., Newbury A.S., Bollinger J.J., Itano W.M., and Mitchell T.B. Sympathetically cooled and compressed positron plasma. Phys. Rev. A 67 (2003) 063406
96. Jonsell, S. (2004). Private communication.
97. To be published. Preprint. Jonsell S., Froelich P., Eriksson S., and Strasburger K. On the strong nuclear force in cold antihydrogen-helium collisions (2004)
98. Jonsell S., Saenz A., and Froelich P. Low energy hydrogen-antihydrogen collisions. Nucl. Phys. A663&664 (2000) 959c-962c
99. Jonsell S., Saenz A., Froelich P., Zygelman B., and Dalgarno A. Stability of hydrogen-antihydrogen mixtures at low energies. Phys. Rev. A 64 (2001) 052712
100. Jonsell S., Saenz A., Froelich P., Zygelman B., and Dalgarno A. Hydrogen-antihydrogen scattering in the Born-Oppenheimer approximation. J. Phys. B 37 (2004) 1195-1202
101. Killian T.C., Kulin S., Bergeson S.D., Orozco L.A., Orzel C., and Rolston S.L. Creation of an ultracold neutral plasma. Phys. Rev. Lett. 83 (1999) 4776-4779
102. Kilian T.C., Lim M.J., Kulin S., Dumke R., Bergeson S.D., and Rolston S.L. Formation of Rydberg atoms in an expanding ultracold neutral plasma. Phys. Rev. Lett. 86 (2001) 3759-3762
103. Kügler K.-J., Paul W., and Trinks U. A magnetic storage ring for neutrons. Phys. Lett. B 72 (1978) 422-424
104. Kuzmin S.G., O'Neil T.M., and Glinsky M.E. Guiding center drift atoms. Phys. Plas. 11 5 (2004) 2382-2393
105. Preprint. Kuzmin S.G., and O'Neil T.M. Motion of guiding center drift atoms in the electric and magnetic fields of a Penning trap (2004)
106. Kuzmin S.G., and O'Neil T.M. Polarization and trapping of weakly bound atoms in Penning trap fields. Phys. Rev. Lett. 92 (2004) 243401
107. Lehnert B. Dynamics of Charged Particles (1964), Wiley, New York
108. Makin B., and Keck J.C. Variational theory of three-body electron-ion recombination rates. Phys. Rev. Lett. 11 (1963) 281-283
109. Men'shikoy L.I., and Fedichev P.O. Theory of elementary atomic processes in an ultracold plasma. Zh. Éksp. Teor. Fiz. 108 (1995) 144-162
110. Men'shikoy L.I., and Fedichev P.O. Theory of elementary atomic processes in an ultracold plasma. jETP 81 (1995) 78-86
111. Merrison J.P., Bluhme H., Chevallier J., Deutch B.I., Hvelplund P., Jørgensen L.V., Knudsen H., Poulsen M.R., and Charlton M. Hydrogen formation by proton impact on positronium. Phys. Rev. Lett. 78 (1997) 2728-2731
112. Migdall A.L., Prodan J.V., Phillips W.D., Bergeman T.H., and Metcalf H.J. First observation of magnetically trapped neutral atoms. Phys. Rev. Lett. 54 (1985) 2596-2599
113. Mohri A., and Yamazaki Y. A possible new scheme to synthesize antihydrogen and to prepare a polarized antihydrogen beam. Europhys. Lett. 63 (2003) 207-213
114. Morpurgo G. Adelberger E.G.; and Heckel, B.R. Comment on "Does antimatter fall with the same acceleration as ordinary matter?". Phys. Rev. Lett. 67 (1991) 1047
115. Munger C.T., Brodsky S.J., and Schmidt I. Production of relativistic antihydrogen atoms by pair production with positron capture and measurement of the Lamb shift. Hyperfine Interact. 76 (1993) 175-180
116. Munger C.T., Brodsky S.J., and Schmidt I. Production of relativistic antihydrogen atoms by pair production with positron capture. Phys. Rev. D 49 (1994) 3228-3235
117. Niering M., Holzwarth R., Reichert J., Pokasov P., Udem T., Weitz M., Hänsch T.W., Lemonde P., Santarelli G., Abgrall M., Lauren P., Salomon C., and Clairon A. Measurement of the hydrogen 1s-2s transition frequency by phase coherent comparison with a microwave cesium fountain clock. Phys. Rev. Lett. 84 (2000) 5496-5499
118. Nieto M.M., and Goldman T. The arguments against "antigravity" and the gravitational acceleration of antimatter. Phys. Rep. 205 (1991) 221-281
119. O'Neil T.M. A confinement theorem for nonneutral plasmas. Phys. Fluids 23 (1980) 2216-2218
120. Ordonez C.A. Confinement of a neutral plasma using nested electric potential wells. Phys. Plas. 4 (1997) 2313-2315
121. Ordonez C.A., Dolliver D.D., Chang Y., and Correa J.R. Possibilities for achieving antihydrogen recombination and trapping using a nested Penning trap and a magnetic well. Phys. Plas. 9 (2002) 3289-3302
122. Oshima N., Kojima T.M., Niigaki M., Mohri A., Komaki K., Iwai Y., and Yamazaki Y. Development of a cold HCI source for ultra-slow collisions. Nuc. Inst. Meth. B 205 (2003) 178-182
123. Oxley P., Bowden N.S., Parrott R., Speck A., Storry C., Tan J.N., Wessels M., Gabrielse G., Grzonka D., Oelert W., Schepers G., Sefzick T., Walz J., Pittner H., Hänsch T.W., and Hessels E.A. Aperture method to determine the density and geometry of antiparticle plasmas. Phys. Lett. B 595 (August 2004) 60-67
124. Peil S., and Gabrielse G. Observing the qunatum limit of an electron cyclotron: QND measurements of quantum jumps between fock states. Phys. Rev. Lett. 83 (1999) 1287-1290
125. Pritchard D.E. Cooling neutral atoms in a magnetic trap for precision spectroscopy. Phys. Rev. Lett. 51 (1983) 1336-1339
126. Roberts J.L., Fertig C.D., Lim M.J., and Rolston S.L. Electron temperature of ultracold plasmas. Phys. Rev. Lett. 92 (2004) 253003
127. Robicheaux F. Simulation of antihydrogen formation. Phys. Rev. A 70 (2004) 022510
128. Robicheaux F., and Hanson J.D. Three-body recombination for protons moving in a strong magnetic field. Phys. Rev. A 69 (2004) 010701
129. van Roijen R., Berkhout J.J., Jaakola S., and Walraven J.T.M. Experiments with atomic hydrogen in a magnetic trapping field. Phys. Rev. Lett. 61 (1988) 931-934
130. Schwinberg P.B., Van Dyck Jr. R.S., and Dehmelt H.G. Trapping and thermalization of positrons for geogium spectroscopy. Phys. Lett. A 81 (1981) 119-120
131. Setija I.D., Werij H.G.C., Luiten O.J., Reynolds M.W., Hijmans T.W., and Walraven J.T.M. Optical cooling of atomic hydrogen in a magnetic trap. Phys. Rev. Lett. 70 (1993) 2257-2260
132. Shlyapnikov G.V., Walraven J.T.M., and Surkov E.L. Antihydron at sub-Kelvin temperatures. Hyperfine Interact. 76 (1993) 31-46
133. Simien C.E., Chen Y.C., Gupta P., Laha S., Martinez Y.N., Mickelson P.G., Nagel S.B., and Killian T.C. Using absorption imaging to study ion dynamics in an ultracold neutral plasma. Phys. Rev. Lett. 92 (2004) 143001
134. Sinha P.K., and Ghosh A.S. Ultracold elastic bar-He scattering. Phys. Rev. A 68 (2003) 022504
135. Speck A., Storry C.H., Hessels E., and Gabrielse G. Laser-controlled production of Rydberg positronium via charge exchange collisions. Phys. Lett. B 597 (2004) 257-262
136. Squires T.M., Yesley P., and Gabrielse G. Stability of a charged particle in a combined Penning-Ioffe trap. Phys. Rev. Lett. 86 (2001) 5266-5269
137. Stevefelt J., Boulmer J., Delpech J.F., and Hessels E.A. First laser-controlled antihydrogen production. Phys. Rev. Lett. 93 (2004) 263401
138. Strasburger K., and Chojnacki H. Helium-antihydrogen interaction: The Born-Oppenheimer potential energy curve. Phys. Rev. Lett. 88 (2002) 163201
139. Surko C.M., Greaves R.G., and Charlton M. Stored positrons for antihydrogen production. Hyperfine Interact. 109 (1997) 181-188
140. Thompson J.K., Rainville S., and Pritchard D.E. Cyclotron frequency shifts arising from polarization forces. Nature 430 (2004) 58-61
141. Tinkle M.D., Greaves R.G., and Surko C.M. Modes of spheroidal ion plasmas at the Brillouin limit. Phys. Plas. 3 (1996) 749-758
142. Todd et al., A., 2004. To be published.
143. VanDyck Jr. R.S., Schwinberg P.B., and Dehmelt H.G. New high-precision comparison of electron and positron g-factors. Phys. Rev. Lett. 59 (1987) 26-29
144. 7+. J. Phys. B 36 (2003) 655-663
145. Voronin A.Y., and Carbonell J. Hydrogen-antyhydrogen atomic interaction at subkelvin temperatures. Nuc. Inst. Meth. B 214 (2004) 139-143
146. Vrinceanu D., Granger B.E., Parrott R., Sadeghpour H.R., Cederbaum L., Mody A., Tan J., and Gabrielse G. Strongly magnetized antihydrogen and its field ionization. Phys. Rev. Lett. 92 (2004) 133402
147. Walz J., and Hänsch T. A proposal to measure antimatter gravity using ultracold antihydrogen atoms. General Relativity and Gravitation 36 (2004) 561-570
148. Weimer C.S., Bollinger J.J., Moore F.L., and Wineland D.J. Electrostatic modes as a diagnostic in Penning-trap experiments. Phys. Rev. A 49 (1994) 3842-3853
149. Wesdorp C., Robicheaux F., and Noordam L.D. Field-induced electron-ion recombination: A novel route towards neutral (anti-)matter. Phys. Rev. Lett. 84 (2000) 3799-3802
150. Wineland D.J., Weimer C.S., and Bollinger J.J. Laser-cooled positron source. Hyperfine Interact. 76 (1993) 115-125
151. Wolf A. Laser-stimulated formation and stabilization of antihydrogen atoms. Hyperfine Interact. 76 (1993) 189-201
152. Yamazaki, T. et al. (2004). To be published.
153. Zimmerman C., and Hänsch T. Laser spectroscopy of hydrogen and antihydrogen. Hyperfine Interact. 76 (1993) 47-57
154. Zygelman, B. Recomination of antiprotons with positrons at low temperatures. J. Phys. B 36, L31-L37.
155. Zygelman, B., Dalgarno, A., 1989. (private communication).
156. Zygelman B., Saenz A., Froelich P., and Jonsell S. Cold collisions of atomic hydrogen with antihydrogen atoms: An optical potential approach. Phys. Rev. A 69 (2004) 042715
157. Zygelman B., Saenz A., Froelich P., Jonsell S., and Dalgarno A. Radiative association of atomic hydrogen with antihydrogen at subkelvin temperatures. Phys. Rev. A 63 (2001) 052722