Curriculum Vitae

Dong-o Jeon

Birth date: October 11, 1965, Birthplace: Pusan, S. Korea

Spallation Neutron Source Project, MS-6473

701 Scarboro Road

Oak Ridge, TN37830, U.S.A.

Tel: 865-241-1610, Fax: 865-241-6739

E-mail: jeond@ornl.gov

# Career and Education

-   Research Staff (Jul/24/2000 - present) for the Spallation Neutron
    Source project at Oak Ridge National Laboratory, Oak Ridge, TN37830,
    U.S.A.

-   Research Associate (Aug/3/1998 - Jul/21/2000) for the Spallation
    Neutron Source project at Oak Ridge National Laboratory, Oak Ridge,
    TN37831, U.S.A.

-   Research Associate (Jan/2/1996 - Jun/30/1998) for Prof. S. Y. Lee at
    Department of Physics, Indiana University, Bloomington, IN47405,
    U.S.A.

-   Visiting Research Associate (Jun/16/1995 - Dec/31/1995) at National
    Superconducting Cyclotron Laboratory, Michigan State University,
    East Lansing, MI48824, U.S.A.

-   Ph.D. granted in Beam Physics (May/5/1995) by Department of Physics
    Michigan State University, East Lansing, MI48824, U.S.A.

Thesis Advisor: Professor Morton M. Gordon

Thesis Title: Nonlinear Effects in the Vertical Motion of Ions in
Superconducting Cyclotron

## Publications

## D. Jeon *et al*, *Formation and mitigation of halo particles in the Spallation Neutron Source linac*, Phys. Rev. ST Accel. Beams 5, 094201 (2002).

## D. Jeon *et al*, *Cumulative Beam Break-Up Study of the Spallation Neutron Source Superconducting Linac*, Nucl. Instr. and Meth. A 495 (2002) 85.

## S. Kim *et al*, *High-order-mode (HOM) power in elliptical superconducting cavities for intense pulsed proton accelerators*, Nucl. Instr. and Meth. A 492 (2002) 1.

## G. Franchetti, I. Hofmann, and D. Jeon, *Anisotropic Free-Energy Limit of Halos in High Intensity Accelerators*, Phys. Rev. Lett. 88, 254802 (2002).

## M. Bai *et al*., *Observation of a hybrid spin resonance*, Phys. Rev. Lett. 84, 1184 (2000).

## J.D. Galambos, S. Danilov, D. Jeon, J.A. Holmes, D.K. Olsen, F. Nerri, and M. Plum, *Comparison of simulated and observed beam profile broadening in the Proton Storage Ring and the role of space charge*, Phys. Rev. ST Accel. Beams 3, 034201 (2000).

## J.A. Holmes, V.V. Danilov, J.D. Galambos, D. Jeon, and D.K. Olsen*, Space charge dynamics in high intensity rings*, Phys. Rev. ST Accel. Beams 2, 114202 (1999).

## D. Jeon *et al*., *Effects of resonances on halo formation in high-intensity storage rings*, Phys. Rev. E 60, 7479 (1999).

## C.M. Chu *et al., Effects of overlapping parametric resonances on the particle diffusion process*, Phys. Rev. E 60, 6051 (1999).

## D. Jeon *et al*., *SNS accumulator ring collimator optimization with beam dynamics*, Nucl. Instr. and Meth. A 435 (1999) 308.

## D. Jeon *et al., A mechanism of anomalous diffusion in particle beams*, Phys. Rev. Lett. 80, 2314 (1998).

## Dong-o Jeon, *Compact Finite Difference Method for Calculating Magnetic Field Components of Cyclotrons*, J. Comput. Phys. 132, 167 (1997). 

## M. Bai, D. Jeon, S. Y. Lee, K. Y. Ng, A. Riabko, and X. Zhao, *Stochastic beam dynamics in quasi-isochronous storage rings*, Phys. Rev. E 55, 3493 (1997).

## D. Jeon, M. Bai, C. M. Chu, X. Kang, S. Y. Lee, A. Riabko, and X. Zhao, *Role of Parametric Resonances in Global Chaos*, Phys. Rev. E 54, 4192 (1996).

## A. Riabko, M. Bai, B. Brabson, C. M. Chu, X. Kang, D. Jeon, S. Y. Lee and X. Zhao, *Particle Dynamics in Quasi-Isochronous Storage Rings*, Phys. Rev. E 54, 815 (1996).

## Dong-o Jeon, *Finite Difference Method for Calculating Magnetic Field Components off Median Plane Using Median Plane Field Data*, J. Comput. Phys. 117, 55 (1995).

## Dong-o Jeon and M. M. Gordon, *Coupling Effects at the 4ν~z~=3 Resonance in a Three-Sector Superconducting Cyclotron*, Nucl. Instr. and Meth. A 349 (1994) 1.

## M. M. Gordon and Dong-o Jeon*, Improved Formulas for Calculating Cyclotron Orbit Properties*, Nucl. Instr. and Meth. A 301 (1991) 182.

## 

## 

## Conferences: Invited speaker and oral session

-   Dong-o Jeon, Invited Speaker of the 2003 Particle Accelerator
    Conference, *Beam Dynamics in the Spallation Neutron Source Linac,*
    Proc. of 2003 Particle Accelerator Conference, p.104, Portland,
    Oregon, 2003.

-   Dong-o Jeon, Invited Speaker of the HALO'03 Conference, *Halo
    Formation and its mitigation in the SNS linac,* Proc. of 2003
    HALO'03 Conference, p. 57, Long Island, NY, 2003.

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-   Dong-o Jeon, Speaker at the International Computational Accelerator
    Physics Conference 2000, *Effects of resonances on halo formation in
    high intensity rings*, Darmstadt, Germany, 2000.

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-   Dong-o Jeon, Invited Speaker of the 1997 Particle Accelerator
    Conference, *Nonlinear Dynamics Aspects of Quasi-Isochronous Storage
    Rings*, Vancouver, Canada, 1997.

## Conferences: Poster session

-   D. Jeon and J. Stovall, *SNS Linac Commissioning -- Transverse
    Matching*, Proc. of 2003 Particle Accelerator Conference, p.2652,
    Portland, Oregon, USA, 2003.

-   D. Jeon *et al*, *Impact of Cavity RF Field Phase and Amplitude
    Control Uncertainties on the SNS Linac*, Proc. of 2003 Particle
    Accelerator Conference, Portland, Oregon, USA, 2003.

-   S. Nath *et al*, *Particle-Beam Behavior in the SNS Linac with
    Simulated and Reconstructed Beams*, Proc. of 2003 Particle
    Accelerator Conference, Portland, Oregon, USA, 2003.

-   D. Jeon *et al*, *Longitudinal tune-up of SNS normal conducting
    linac,* Proc. of LINAC2002 conference, Gyongju, Korea, 2002.

-   D. Jeon *et al*, *SNS Linac Halo Mitigation,* Proc. of LINAC2002
    conference, Gyongju, Korea, 2002.

-   D. Jeon *et al*, *A Technique to Transversely Match High Intensity
    Linac using Only RMS Beam Size from Wire-scanners,* Proc. of
    LINAC2002 conference, Gyongju, Korea, 2002.

-   D. Jeon *et al*, Transverse Beam Break-up Study of SNS SC Linac,
    Proc. of 2001 Particle Accelerator Conference, Chicago, IL, USA,
    2001.

-   S. Kim *et al*, Higher Order Mode Analysis of the SNS
    Superconducting Linac, Proc. of 2001 Particle Accelerator
    Conference, Chicago, IL, USA, 2001.

-   R. Sundelin *et al*, SNS HOM Damping Requirements via Bunch
    Tracking, Proc. of 2001 Particle Accelerator Conference, Chicago,
    IL, USA, 2001.

-   J. Wei *et al*, Design Optimization and the Path Towards a 2 MW
    Spallation Neutron Source, Proc. of 2001 Particle Accelerator
    Conference, Chicago, IL, USA, 2001.

-   J. Stovall *et al*, Expected Beam Performance of the SNS Linac
    (Invited), Proc. of 2001 Particle Accelerator Conference, Chicago,
    IL, USA, 2001.

-   I. Hofmann *et al*, Emittance Coupling in High Intensity Beams
    Applied to the SNS Linac, Proc. of 2001 Particle Accelerator
    Conference, Chicago, IL, USA, 2001.

-   D. Jeon, Unusual Fourth Order Deformation of Beam due to Space
    Charge, Proc. of 2001 Particle Accelerator Conference, Chicago, IL,
    USA, 2001.

-   D. Jeon *et al*, Longitudinal Tune-up of SNS Normal Conducting
    Linac, Proc. of 2001 Particle Accelerator Conference, Chicago, IL,
    USA, 2001.

-   D. Jeon and J. Holmes, *Effects of resonances on halo formation in
    high intensity rings*, Proc. of European Particle Accelerator
    Conference, Vienna, Austria, 2000.

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-   D. Jeon *et al*, *SNS accumulator ring collimator optimization with
    beam dynamics*, Proc. of Particle Accelerator Conference, New York,
    New York, USA, 1999.

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-   M. Ball *et al*, *Diffusion mechanism of particle beams in the
    presence of phase modulation in double rf systems*, Proc. of
    Particle Accelerator Conference, New York, New York, USA, 1999.

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-   J.A. Holmes *et al*, *Simulation studies of space-charge-dominated
    beams in spallation neutron sources*, Proc. of Particle Accelerator
    Conference, New York, New York, USA, 1999.

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-   V. Danilov *et al*, *An integrable optics lens for the PSR and SNS*,
    Proc. of Particle Accelerator Conference, New York, New York, USA,
    1999.

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-   V. Danilov *et al*, *A study on the possibility to increase the PSR
    e-p instability threshold*, Proc. of Particle Accelerator
    Conference, New York, New York, USA, 1999.

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-   J. Galambos *et al*, *SNS injection simulations with space charge*,
    Proc. of Particle Accelerator Conference, New York, New York, USA,
    1999.

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-   J. Galambos *et al*, *ORBIT - a ring injection code with space
    charge*, Proc. of Particle Accelerator Conference, New York, New
    York, USA, 1999.

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-   D. Jeon and S.Y. Lee, *Design of minimum emittance lattices*, Proc.
    of European Particle Accelerator Conference, Stockholm Sweden, July
    1998.

-   M. Ball *et al*, *Phase modulation induced particle diffusion*,
    Proc. of European Particle Accelerator Conference, Stockholm Sweden,
    July 1998.

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-   F. Marti, H.G. Blosser, M.M. Gordon, T.L. Grimm, D.O. Jeon, D.A.
    Johnson, P.S. Miller, D. Poe, S. Snyder, X.Y. Wu and R.C. York*,
    Beam Dynamics Issues in the NSCL Coupled Cyclotron Upgrade*, Proc.
    15th Int. Conf. on Cyclotrons, Caen France, June 1998.

-   C.M. Chu, M. Ball, B. Hamilton, D. Jeon, X. Kang, L.L. Kiang, S.Y.
    Lee, K.Y. Ng, A. Pei, A. Riabko, T. Sloan, *First test of orbit
    response matrix in proton storage ring*, Proc. 1997 Particle
    Accelerator Conference, Vancouver 1997.

-   M. M. Gordon and Dong-o Jeon, *Evaluation of Third-Harmonic Voltage
    Flattopping for a Superconducting Cyclotron*, Proc. 13th Int. Conf.
    on Cyclotrons and Their Applications, Vancouver 1993, pp404-407.