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Kostin, M. A.

Paper Title Page
TUPAS013 Some Physics Issues of Carbon Stripping Foils 1679
 
  • W. Chou, J. R. Lackey, Z. Tang
    Fermilab, Batavia, Illinois
  • M. A. Kostin
    NSCL, East Lansing, Michigan
  • R. J. Macek
    LANL, Los Alamos, New Mexico
  • P. S. Yoon
    Rochester University, Rochester, New York
 
  Funding: Work supported by Universities Research Association, Inc. under contract No. DE-AC02-76CH03000 with the U. S. Dept. of Energy.

Carbon foils are widely used in charge-exchange injection in high intensity hadron accelerators. There are a variety of physics issues associated with the use of carbon foils, including stripping efficiency, energy deposition, foil lifetime (temperature rise, mechanical stress and buckling), multiple Coulomb scattering, large angle single Coulomb scattering, energy straggling and radiation activation. This paper will give a brief discussion of these issues based on the study of the Proton Driver and experience of the Fermilab Booster. Details can be found in Ref*.

* W. Chou et al., "Transport and Injection of 8 GeV H- Ions," Fermilab-TM-2285 (2007).

 
TUPAS052 Radiation Environment at ISOL Target Station of Rare Isotope Facility 1766
 
  • M. A. Kostin, I. Baek, V. Blideanu, G. Bollen, D. Lawton, R. M. Ronningen
    NSCL, East Lansing, Michigan
  • L. Ahle, S. Reyes, K. L. Whittaker
    LLNL, Livermore, California
  • T. Burgess, D. L. Conner, T. A. Gabriel, R. Remec
    ORNL, Oak Ridge, Tennessee
  • D. J. Vieira
    LANL, Los Alamos, New Mexico
 
  Next-generation exotic beam facilities will offer a number of approaches to produce rare isotopes far from stability. One of the approaches is the Isotope Online (ISOL) separation concept, that is, the isotope production by interactions of light ion beams with heavy nuclei of targets. A pre-conceptual design of an ISOL target station was done as part of the research and development work for the Rare Isotope Accelerator (RIA). This report summarizes the results of radiation simulations for the RIA ISOL target station. The above includes radiation effects such as: prompt doses around the target station and from neutron sky-shine; residual activation effects such as ground water, air, and component activation; life-time of target station components; and heating and cooling for target, beam dumps, and shielding.