| Paper |
Title |
Page |
| TUPLT105 |
Measurement of Activation Induced by an Argon Beam in a Copper Target at the SIS18
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1399 |
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- A. Fertman, A. Golubev, M. Prokuronov, B.Y. Sharkov
ITEP, Moscow
- G. Fehrenbacher, R.W. Hasse, I. Hofmann, E. Mustafin, D. Schardt, K. Weyrich
GSI, Darmstadt
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Results of the measurement of activation induced by Argon beam with energies of E=100,200,800 MeV/u in the copper target are presented. The densities of various radioactive isotopes are derived from the measurements. Long-time prediction of radioactivity and accumulated doses in the accelerator equipment is calculated.
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| WEPLT123 |
Engineering Design of High-current 81.36 MHz RFQ with Elliptic Coupling Windows
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2140 |
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- D. Kashinskiy, A. Kolomiets, S. Minaev, V. Pershin, B.Y. Sharkov, T. Tretyakova
ITEP, Moscow
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Four-vane RFQ structure with elliptic coupling windows has been originally developed at ITEP for injection into ITEP-TWAC synchrotron/storage ring complex, being lately adapted for RIA project too. As the electrodynamics simulations show, this structure combines the high efficiency with the operating mode stability against asymmetric detuning and electrode misalignment. A considerable reduction of structure diameter due to coupling windows becomes important for low frequency range which is necessary for the heavy ion acceleration. At the same time, the electrode configuration allows the efficient cooling and high duty factor operation. A mechanical design of 81 MHz, 1.6 MeV/u, 6 m long heavy ion RFQ section is discussed. The outer tank is made of two layers, steel and copper, joined by using the thermal diffusion technology. Each electrode is supplied with the alignment mechanism and connected to the tank by the flexible conducting insert. The whole setup is in manufacturing now.
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| TUPLT106 |
New Developments of a Laser Ion Source for Ion Synchrotrons
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1402 |
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- S. Kondrashev, A. Balabaev, K. Konukov, B.Y. Sharkov, A. Shumshurov
ITEP, Moscow
- O. Camut, J. Chamings, H. Kugler, R. Scrivens
CERN, Geneva
- A. Charushin, K. Makarov, Y. Satov, Y. Smakovskii
SRC RF TRINITI, Moscow region
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Laser Ion Sources (LIS) are well suited to filling synchrotron rings with highly charged ions of almost any element in a single turn injection mode. We report the first measurements of the LIS output parameters for Pb27+ ions generated by the new 100 J/1 Hz Master Oscillator - Power Amplifier CO2-laser system. A new LIS has been designed, built and tested at CERN, as an ion source for ITEP-TWAC accelerator/accumulator facility, and as a possible future source for an upgrade of the Large Hadron Collider (LHC) injector chain. The use of the LIS based on 100 J/1 Hz CO2-laser together with the new ion LINAC, as injector for ITEP-TWAC project is discussed.
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