Author: Lawrence Berkeley Laboratory. Accelerator & Fusion Research Division. Heavy Ion Fusion Staff
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Languages : en
Pages : 46

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Category : Power resources
Languages : en
Pages : 852

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Category :
Languages : en
Pages :

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Author: Lawrence Berkeley Laboratory. Accelerator & Fusion Research Division. Heavy Ion Fusion Staff
Publisher:
ISBN:
Category :
Languages : en
Pages : 28

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Category :
Languages : en
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Activities are reported on MBE-4, the four-beam proof-of-principle ion induction linear accelerator with the capability of beam-current amplification. Mechanical aspects of MBE-4, quadrupole insulator performance, and pulsers are discussed. The computer code, SLID, has been used to help understand the longitudinal beam dynamics in MBE-4. A computer-controlled emittance scanning system is in use in MBE-4. A systematic effort is under way to discover and correct all the defects peculiar to the low energy part of the linac design code. (LEW).

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Languages : en
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The heavy ion accelerator is profiled. Energy losses, currents, kinetic energy, beam optics, pulse models and mechanical tolerances are included in the discussion. In addition, computational efforts and an energy analyzer are described. 37 refs., 27 figs. (WRF).

Author: Lawrence Berkeley Laboratory. Heavy Ion Fusion Staff
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Category : Heavy ion fusion reactions
Languages : en
Pages : 28

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The 200 keV cesium-ion injector for the Single Beam Transport Experiment, designed to have a variable and controlled perveance, has been debugged and has now been well characterized. Operated without grids, it delivers an ion beam with an emittance about twice the thermal value computed from the temperature of the emitter. Measurements on the 2 MeV injector model with the Electron Beam Probe continue to be refined to understand the nature of the electron halo around the ion beam. Fabrication of a long-pulse ion induction accelerating module is under way. Development of scintillators and insulators continues at a low level. Theoretical studies include octupole transport systems, longitudinal beam stability, and exploration of possible induction linac parameters for a High Temperature Experiment.

Author: Lawrence Berkeley Laboratory. Heavy Ion Fusion Staff
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ISBN:
Category : Heavy ion fusion reactions
Languages : en
Pages : 38

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The Cs+ pulsed drift tube injector has continued to operate satisfactorily in a program of studying the characteristics of the beam and of developing diagnostic tools. A single beam transport experiment has been designed and fabrication of the components has begun. The purpose of the experiment is the study of transverse beam dynamics and the stability of a space-charge dominated beam traveling through a periodic strong-focusing channel. Increasing attention has been given to multiple-beam heavy ion induction linacs and it appears that there will be significant technical and cost advantages in such a system. Theoretical studies of the longitudinal stability of beams and of longitudinal-transverse coupling have continued. Electrostatic quadrupole beam transport systems have also been an object of study. Engineering development of module components has included experiments with novel ignitrons as well as evaluations of standard ones. Evaluation of magnetic core material also continues.

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Category :
Languages : en
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Separate abstracts were prepared for each of the 4 included papers. (MOW).

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Category :
Languages : en
Pages : 11

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This report discusses the following topics: MBE-4: The Induction-Linac Approach; Current Amplification and Acceleration Schedules; Emittance and Current Amplification; Scaling Up the Results; Progress on the Carbon-Arc Source; Injector Development; Progress Towards an ILSE Design; Beam Combination; and Focusing-System Alignment Tolerances.