Joseph N. Tan
 |
Contact Information
Atomic Physics Division
100 Bureau Dr., Stop 8422
Gaithersburg, MD 20899-8422
phone: 301-975-8985
fax: 301-975-3038 |
Curriculum Vitae
| 2003-Present |
Staff Physicist, NIST, Gaithersburg, MD |
| 1998-2002 |
Harvard Research Associate, ATRAP Collaboration,
Center for European Nuclear Research (CERN)
Highlight: Background-free observation of cold antihydrogen production and
the first glimpse of its internal states |
| 1996-1997 |
Scientist, Frequency and Time Systems, Datum Corp., |
| 1994-1995 |
Colorado State University Fellow, NIST, Boulder
Highlight: Bragg diffraction from crystallized ion plasmas,
Science 279, p.686-689 (1998). |
| 1992-1994 |
JILA Fellow, National Institute of Standards and Technology, Boulder |
| 1992 |
Ph.D. Physics, Harvard University
Thesis Title: "Cooperative Behavior in Cavity-cooled,
Parametrically-pumped Electron Oscillators" (a finalist of the first
DAMOP Thesis award) |
| 1986 |
M.S. Physics, University of Washington, Seattle |
| 1985-1986 |
University of Washington Arts and Sciences Fellow |
| 1984-1985 |
Instructor I, University of the Philippines, Diliman |
| 1983 |
B.S. Physics, University of the Philippines, Diliman |
Research Interests
- trapping, cooling, and spectroscopy of exotic ions
- order in plasmas cooled to low temperature (& driven far from
equilibrium)
- precision measurements and tests of QED or the standard model
Selected Publications
"Accurate Modeling of Benchmark X-ray Spectra from Highly Charged Ions
of Tungsten,"
Y. Ralchenko, J.N. Tan, J.D. Gillaspy, J.M. Pomeroy, and E. Silver
Phys. Rev. A 74, 042514 (2006).
"Solution of the X-ray Astrophysics 3C/3D Line Ratio Problem in
Nickel: new ab-initio theory and experimental results,"
G.X. Chen, K. Kirby, E. Silver, N.S. Brickhouse, J.D. Gillaspy, J.N. Tan,
J.M. Pomeroy, and J.M. Laming,
Phys. Rev. Lett. 97, 143201 (2006).
"An Electron Beam Ion Trap (EBIT) plus a microcalorimeter: a good
combination for laboratory astrophysics,"
J.N. Tan, E. Silver, J. Pomeroy, J.M. Laming, and J. Gillaspy,
Phys. Scr. T119, 30 (2005).
"Aperture Method to Determine the Density and Geometry of
Anti-Particle Plasmas,"
P. Oxley, N.S. Bowden, R. Parrott, A. Speck, C. Storry, J.N. Tan,
M. Wessels, G. Gabrielse, D. Brzonka, W. Oelert, G. Schepers, T. Sefzick,
J. Walz, H. Pittner, T.W. Haensch, and E.A. Hessels,
Phys. Lett. B 595, 60 (2004).
"Strongly Magnetized Antihydrogen and Its Field Ionization,"
D. Vrinceanu, B.E. Granger, R. Parrott, H.R. Sadeghpour, L. Cederbaum,
A. Mody, J.N. Tan, and G. Gabrielse,
Phys. Rev. Lett. 92, 133402 (2004).
"Driven Production of Cold Anti-hydrogen and a First Measured
Distribution of Anti-hydrogen States,"
ATRAP Collaboration,
Phys. Rev. Lett. 89, 233401 (2002).
"Background-free Observation of Cold Anti-hydrogen with
Field-ionization analysis of its States,"
ATRAP Collaboration,
Phys. Rev. Lett. 89, 213401 (2002).
"Field Ionization of Magnetized Rydberg Positronium: A New Mechanism
for Accumulating Positrons,"
J. Estrada, T. Roach, J.N. Tan, P. Yesley, and G. Gabrielse,
Phys. Rev. Lett. 84, 859 (2000).
"Bragg diffraction from crystallized ion plasmas,"
W.M. Itano, J.J. Bollinger, J.N. Tan, B. Jelenkovic, X.-P. Huang, and
D.J. Wineland,
Science 279, 686-689 (1998).
"Long-range Order in Laser-cooled, Atomic-Ion Wigner Crystals
Observed by Bragg Scattering,"
J.N. Tan, J.J. Bollinger, B. Jelenkovic, and D.J. Wineland,
Phys. Rev. Lett. 75, 4198 (1995).
"Minimizing The Time-Dilation Shift in Penning Trap Atomic
Clocks,"
J.N. Tan, J.J. Bollinger, and D.J. Wineland,
I.E.E.E. on Instrum. and Meas. 44(2), (1995).
"Synchronization of Parametrically-pumped Electron Oscillators with
Phase Bistability,"
J.N. Tan and G. Gabrielse,
Phys. Rev. Lett. 67, 3090 (1991).
"One Electron in an Orthogonalized Cylindrical Penning Trap,"
J.N. Tan and G. Gabrielse,
Appl. Phys. Lett. 55, 2144 (1989).
"Self-shielding Superconducting Solenoid Systems,"
G. Gabrielse and J.N. Tan,
J. Appl. Phys. 63, 5143 (1988), U.S. Patent #4974113.
"Cyclotron Motion in a Microwave Cavity: Possible Shifts of the
Measured Electron g-factor,"
L.S. Brown, G. Gabrielse, K. Helmerson, and J.N. Tan,
Phys. Rev. Lett. 55, 44 (1985).
Online: January 2007
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