Accelerator R&D

Argonne Innovations for Linacs Related to FRIB

  1. The first practical SC niobium low-velocity accelerating cavity: Split-ring Resonator for the Argonne Superconducting Heavy-ion Booster, K. W. Shepard, C.H. Scheibelhut, R. Benaroya, and L.M. Bollinger, IEEE Trans. Nucl. Sci. NS-24, p1147 (1977).

  2. The first superconducting (SC) ion linac: Status of the Argonne Superconducting-linac Heavy-ion Booster, J. Aron, B Benaroya, L. M. Bollinger, B.G. Clifft, W. Henning, K. W. Johnson, J. M. Nixon, P. Markovich, K. W. Shepard, in Proc 1979 Linear Accelerator Conf. Sept 10-14, 1979, Montauk, N. Y., p104 (1979).

  3. The first very-low-velocity (injector) SC ion linac: A Superconducting Heavy-ion Injector Linac, K. W. Shepard, IEEE Trans. Nucl. Sci. NS?32, p3574 (1985).

  4. The first (intermediate-velocity) SC spoke cavity: Design and Test of a Superconducting Structure for High-velocity Ions, J.R. Delayen, W. L. Kennedy, and C.T. Roche, in Proceedings of the 1992 Linear Accelerator Conference, August 24-28, 1992, Ottawa, 695 (1992).

  5. Design for a high-efficiency SC linac re-accelerator for a broad range of rare isotopes: A Low-Charge State Injector Linac for ATLAS, K. W. Shepard and J. W. Kim, 1995 Particle Accelerator Conference and International Conference on High-Energy Accelerators, Dallas, Texas, May 1-5, 1995

  6. Demonstration of a CW RFQ for accelerating low-charge-state heavy rare-isotope ions: A Low-charge-state CW RFQ, K. W. Shepard, M. Kedzie, and R. A. Kaye, in the Proceedings of the 1998 Linear Accelerator Conference, August 23-28, 1998, Chicago, Illinois.

  7. Demonstration of a SC spoke cavity suitable for a rare-isotope facility driver linac: Prototype 350 MHz Niobium Spoke-loaded Cavities, K. W. Shepard, M. Kedzie, J. R. Delayen, J. Mammosser, C. Piller, in the Proceedings of the 1999 Particle Accelerator Conference, New York, 1999.

  8. Introduction of the concept of a multi-ion, multiple charge state driver linac: SC Driver Linac for a Rare isotope Facility, K. W. Shepard, J. R. Delayen, C. M. Lyneis, J. Nolen, P. Ostroumov, J. W. Staples, J. Brawley, C. Hovater, M. Kedzie, M. P. Kelly, J. Mammosser, C. Piller, and M. Portillo, in the Proceedings of the 9th Workshop on RF Superconductivity, November 1 - 5, 1999, Santa Fe, New Mexico.

  9. The first study of multiple charge beam dynamics in a driver linac: Multiple-charge Beam Dynamics in an Ion Linac, P. N. Ostroumov and K. W. Shepard, Phys. Rev. ST - Accel. Beams Vol. 3 No. 3, (2000).

  10. Demonstration of the feasibility of multiple-charge-state beams: Simultaneous Acceleration of Multiply Charged Ions through a Superconducting Linac, P. N. Ostroumov, R. C. Pardo, G. P. Zinkann, K.W. Shepard, and J. A. Nolen. Phys. Rev. Letters 86, Pp 2798-2801 (2001).

  11. Introduction of a method of designing quarter-wave cavities for intense beams: Correction of Beam-Steering Effects in Low-velocity Superconducting Quarter-wave Cavities, P. N. Ostroumov and K. W. Shepard, Phys. Rev. ST Accel. Beams 4, 110101 (2001).

  12. The first demonstration of a SC multiple-cell spoke cavity: Superconducting 345 MHz Two-spoke Cavity for RIA, J. D. Fuerst, M. Kedzie, M. P. Kelly, K. W. Shepard, E. Peterson, in Proc. 2003 IEEE Particle Accelerator Conference, May 12-16, Portland, Oregon, 1294 (2003).

  13. Introduction of a driver linac design using TEM-class (spoke) cavities in the high-energy section: High-Energy Ion Linacs Based on Superconducting Spoke Cavities, K. W. Shepard, P. N. Ostroumov, and J. R. Delayen, Phys. Rev. ST - AB 6, 080101 (2003).

  14. Introduction of beam dynamics code to simulate multiple-charge-state beams: Beam Loss Studies in High-intensity Heavy-ion Linacs, P. N. Ostroumov, V. N. Aseev, and B. Mustapha, Phys. Rev. ST Accel. Beams 7, 090101 (2004).

  15. The first demonstration of an RFQ suitable for injecting a multi-ion, multiple-charge-state driver linac: High Power Test of a 57 MHz CW RFQ, P. N. Ostroumov, A. Barcikowski, B. Clifft, B. Rusthoven, S. Sharma, S. I. Sharamentov, W. F. Toter, J. W. Rathke, N. E. Vinogradov, D. l. Schrage, in Proc. 2006 Linear Accelerator Conference, August 21-25, 2006, Knoxville, Tennessee (2006).

  16. The first demonstration of multi-cell SC spoke cavities suitable for the high-energy section of a driver linac: Development of Spoke Cavities for RIA, K. W. Shepard, M. P. Kelly, J. Fuerst, M. Kedzie, Z. A. Conway, Physica C 441, Pp 205 - 208 (2006).

  17. Design for unshielded, steering-enabled SC solenoids for transverse focusing and beam steering in a SC ion linac: A New Generation of Superconducting Solenoids for Heavy-Ion Linac Application, P.N. Ostroumov, K.W. Shepard, S.H. Kim, R.E. Laxdal, R. Wheatley, in Proc. of the 21st International Linear Accelerator Conference, Gyeongju, Korea, August 19-23, 2002, p. 334.

  18. Demonstration of the use of linac accelerating cavities as beam phase detectors to facilitate tuning of a multi-ion linac: Superconducting resonator used as a beam phase detector, S. I. Sharamentov, R. C. Pardo, P. N. Ostroumov, B. E. Clifft, and G. P. Zinkann, Phys. Rev. ST Accel. Beams 6, 052802 (2003).

  19. Demonstration of a multiple-charge-state front-end for a heavy-ion driver linac: Two-Charge-State Injector for a High Power Heavy-Ion Linac, N.E. Vinogradov, V.N. Aseev, P.N. Ostroumov, R.C. Pardo, R. Scott, in Proc. of the 2005 Particle Accelerator Conference, Knoxville, May 16-20, TN, USA, p. 253.

 
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