Van Dyck Group — Penning Trap Mass Spectrometry

Publications of Dr. Van Dyck :

    (updated October, 2007)
  1. The UW-PTMS: Recent measurements and technological progress
    Pinegar, D. B. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Zafonte, S. L.; Van Dyck, R. S. Source: Hyperfine Interactions, v 174, 2007, p 47-53
  2. The UW-PTMS: Systematic studies, measurement progress, and future improvements
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Pinegar, D. B.; Van Liew, S. & Zafonte, S. L. Source: International Journal of Mass Spectrometry, v 251, 2006, p 231-242
  3. Ultraprecise atomic mass measurement of the Alpha particle and He-4
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); ; Zafonte, S. L.; Van Liew, S.; Pinegar, D. & Schwinberg, P. Source: Phys. Rev. Lett., v 92, 2004, p 220802/1-4
  4. Ultra-precise mass measurements using the UW-PTMS
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Zafonte, S.L.; Schwinberg, P.B. Source: Hyperfine Interactions, v 132, n 1-4, 2001, p 163-75
  5. Past electron-positron g-2 experiments yielded sharpest bound on CPT violation for point particles
    Dehmelt, H. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Mittleman, R.; Van Dyck, R.S., Jr.; Schwinberg, P. Source: Physical Review Letters, v 83, n 23, 6 Dec. 1999, p 4694-6
  6. Ultrastable superconducting magnet system for a penning trap mass spectrometer
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Farnham, D.L.; Zafonte, S.L.; Schwinberg, P.B. Source: Review of Scientific Instruments, v 70, n 3, March 1999, p 1665-71
  7. High precision Penning trap mass spectroscopy and a new measurement of the proton's "atomic mass"
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Farnham, D.L.; Zafonte, S.L.; Schwinberg, P.B. Source: AIP Conference Proceedings, n 457, 1999, p 101-10
  8. Determination of the electron's atomic mass and the proton/electron mass ratio via Penning trap mass spectroscopy
    Farnham, D.L. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Van Dyck, R.S., Jr.; Schwinberg, P.B. Source: Physical Review Letters, v 75, n 20, 13 Nov. 1995, p 3598-601
  9. Proton-electron mass ratio and the electron's 'atomic mass'
    Van Dyck, R.S. Jr. (Univ of Washington); Farnham, D.L.; Schwinberg, P.B. Source: IEEE Transactions on Instrumentation and Measurement, v 44, n 2, Apr, 1995, p 546-549
  10. Precision mass measurements in the UW-PTMS and the electron's "atomic mass"
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Farnham, D.L.; Schwinberg, P.B. Source: Physica Scripta Volume T, v T59, 1995, p 134-43
  11. Proton/electron mass ratio and the electron's "atomic mass"
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Farnham, D.L.; Schwinberg, P.B. Source: 1994 Conference on Precision Electromagnetic Measurements Digest (Cat. No.94CH3449-6), 1994, p 395
  12. Tritium-helium-3 mass difference using the Penning trap mass spectroscopy
    Van Dyck, R.S., Jr. (Dept. of Phys., FM-15, Washington Univ., Seattle, WA, USA); Farnham, D.L.; Schwinberg, P.B. Source: Physical Review Letters, v 70, n 19, 10 May 1993, p 2888-91
  13. Progress on the /sup 3/H-/sup 3/He mass difference using the compensated Penning trap spectrometer
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Farnham, D.L.; Schwinberg, P.B. Source: Physica Scripta, v 46, n 3, Sept. 1992, p 257-63
  14. Cyclotron resonance with 10/sup -11/ resolution: anharmonic detection and beating a coherent drive with the noise
    Moore, F.L. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Brown, L.S.; Farnham, D.L.; Jeon, S.; Schwinberg, P.B.; Van Dyck, R.S., Jr. Source: Physical Review A (Atomic, Molecular, and Optical Physics), v 46, n 5, 1 Sept. 1992, p 2653-67
  15. A compensated Penning trap mass spectrometer and the /sup 3/H-/sup 3/He mass difference
    Van dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Farnham, D.L.; Schwinberg, P.B. Source: Journal of Modern Optics, v 39, n 2, Feb. 1992, p 243-55
  16. Number dependency in the compensated Penning trap
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Moore, F.L.; Farnham, D.L.; Schwinberg, P.B. Source: Physical Review A (General Physics), v 40, n 11, 1 Dec. 1989, p 6308-13
  17. Physics accessible through ultrahigh resolution trapped ion mass spectroscopy
    Moore, F.L. (Univ of Washington); Farnham, D.L.; Schwinberg, P.B.; Van Dyck, R.S. Jr. Source: Nuclear Instruments & Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, v 43, n 3, Sep, 1989, p 425-430
  18. Ground state Lamb of hydrogen-like uranium via RF mass spectroscopy
    Moore, F.L. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Farnham, D.L.; Schwinberg, P.B.; van Dyck, R.S., Jr. Source: Physica Scripta Volume T, v T22, 1988, p 294-5
  19. Microwave-cavity modes directly observed in a Penning trap
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Moore, F.L.; Farnham, D.L.; Schwinberg, P.B.; Dehmelt, H.G. Source: Physical Review A (General Physics), v 36, n 7, 1 Oct. 1987, p 3455-6
  20. New high-precision comparison of electron and positron g factors
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Schwinberg, P.B.; Dehmelt, H.G. Source: Physical Review Letters, v 59, n 1, 6 July 1987, p 26-9
  21. Electron magnetic moment from geonium spectra: Early experiments and background concepts
    Van Dyck, R.S., Jr. (Dept. of Phys., FM-15, Washington Univ., Seattle, WA, USA); Schwinberg, P.B.; Dehmelt, H.G. Source: Physical Review D (Particles and Fields), v 34, n 3, 1 Aug. 1986, p 722-36
  22. Variable magnetic bottle for precision geonium experiments
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Moore, F.L.; Farnham, D.L.; Schwinberg, P.B. Source: Review of Scientific Instruments, v 57, n 4, April 1986, p 593-7
  23. New measurement of the proton-electron mass ratio
    van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Moore, F.L.; Farnham, D.L.; Schwinberg, P.B. Source: International Journal of Mass Spectrometry and Ion Processes, v 66, n 3, 26 Aug. 1985, p 327-37
  24. Single atomic particle at rest in free space: new value for electron radius
    Dehmelt, H.G. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Gabrielse, G.; Helmerson, K.; Janik, G.; Nagourney, W.G.; Schwinberg, P.B.; Van Dyck, R.S., Jr. Source: Laser Spectroscopy VII. Proceedings of the Seventh International Conference, 1985, p 2-5
  25. Preliminary proton/electron mass ratio using a precision mass-ratio spectrometer
    Van Dyck, R.S., Jr. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Schwinberg, P.B. Source: Precision Measurement and Fundamental Constants II. Proceedings of the Second International Conference (NBS-SP-617), Aug. 1984, p 349-52
  26. Preliminary comparison of the positron and electron spin anomalies
    Schwingberg, P.B. (Dept. of Phys., Washington Univ., Seattle, WA, USA); Van Dyck, R.S., Jr.; Dehmelt, H.G. Source: Precision Measurement and Fundamental Constants II. Proceedings of the Second International Conference (NBS-SP-617), Aug. 1984, p 215-18
  27. New comparison of the positron and electron g factors
    Schwinberg, P.B. (Dept. of Phys., Univ. of Washington, Seattle, WA, USA); Van Dyck, R.S., Jr.; Dehmelt, H.G. Source: Physical Review Letters, v 47, n 24, 14 Dec. 1981, p 1679-82
  28. Preliminary proton/electron mass ratio using a compensated quadring Penning trap
    Van Dyck, R.S., Jr. (Dept. of Phys., Univ. of Washington, Seattle, WA, USA); Schwinberg, P.B. Source: Physical Review Letters, v 47, n 6, 10 Aug. 1981, p 395-8
  29. Trapping and thermalization of positrons for geonium spectroscopy
    Schwinberg, P.B. (Univ. of Washington, Seattle, WA, USA); Van Dyck, R.S., Jr.; Dehmelt, H.G. Source: Physics Letters A, v 81A, n 2-3, 12 Jan. 1981, p 119-20
  30. High-field titanium-wafer vacuum pump
    Van Dyck, R.S., Jr. (Dept. of Phys., Univ. of Washington, Seattle, WA, USA); Schwinberg, P.B. Source: Review of Scientific Instruments, v 51, n 9, Sept. 1980, p 1263-5
  31. Proposed scheme to catch positrons in a Penning trap
    Dehmelt, H.G. (Dept. of Phys., Univ. of Washington, Seattle, WA, USA); Schwinberg, P.B.; Van Dyck, R.S., Jr. Source: International Journal of Mass Spectrometry and Ion Physics, v 26, n 1, Jan. 1978, p 107-8
  32. Precise measurements of axial, magnetron, cyclotron, and spin-cyclotron-beat frequencies on an isolated 1 meV electron
    Van Dyck, R.S., Jr. (Dept. of Phys., Univ. of Washington, Seattle, WA, USA); Schwinberg, P.B.; Dehmelt, H.G. Source: Physical Review Letters, 14 Feb. 1977, p 310-14
  33. High mass resolution with a new variable anharmonicity Penning trap
    Van Dyck, R.S., Jr. (Dept. of Phys., Univ. of Washington, Seattle, WA, USA); Wineland, D.J.; Ekstrom, P.A.; Dehmelt, H.G. Source: Applied Physics Letters, v 28, n 8, 15 April 1976, p 446-8
  34. Lifetime of the a/sup 3/II metastable state of carbon monoxide
    Johnson, C.E. (Univ. California, Berkeley, CA, USA); Van Dyck, R.S., Jr. Source: Journal of Chemical Physics, v 56, n 4, 15 Feb. 1972, p 1506-10
  35. Lifetime lower limits for the /sup 3/P/sub 0/ and /sup 3/P/sub 2/ metastable states of neon, argon, and krypton
    Van Dyck, R.S., Jr. (Univ. California, Berkeley, CA, USA); Johnson, C.E.; Shugart, H.A. Source: Physical Review A (General Physics), v 5, n 2, Feb. 1972, p 991-3
  36. Radiative lifetime of the 2 /sup 1/S/sub 0/ metastable state of helium
    Van Dyck, R.S., Jr. (Univ. California, Berkeley, CA, USA); Johnson, C.E.; Shugart, H.A. Source: Physical Review A (General Physics), v 4, n 4, Oct. 1971, p 1327-36
  37. Radiative lifetime of the metastable 2/sup 1/S/sub 0/ state of helium
    Van Dyck, R.S., Jr. (Univ. California, Berkeley, CA, USA); Johnson, C.E.; Shugart, H.A. Source: Physical Review Letters, v 25, n 20, 16 Nov. 1970, p 1403-5
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