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| THCHD01 |
55 MeV Special Purpose Race-Track Microtron Commissioning
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linac, gun, electron, radiation |
316 |
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- A. I. Karev, A. N. Lebedev, V. G. Raevsky
LPI, Moscow
- L. Brothers, L. Wilhide
VFCT, Covington, Kentucky
- A. N. Ermakov, A. N. Kamanin, V. V. Khankin, N. I. Pakhomov, V. I. Shvedunov
MSU, Moscow
- N. P. Sobenin
MEPhI, Moscow
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Funding: This work was supported by CRDF Grant #RP0-10732-MO-03 (LLNL)
Results of Lebedev Institute 55 MeV special-purpose race-track microtron (RTM) commissioning are presented. RTM is intended for photonuclear detection of hidden explosives based on initiation of photonuclear activation and consequent registration of secondary gamma-rays penetrating possible screening substances. RF system is based on KIU-168 klystron with 6MW/6 kW pulsed/average power operating at 2856 MHz in self-oscillating mode with on-axis coupled standing wave bi-periodic accelerating structure in a feed-back loop. Maximum RF power is now at the level of 2.5 MW. With this RF power energy gain per pass of 5 MeV is provided and up to 10 mA pulsed beam current is obtained at RTM exit. The RTM control system is based on NI modules and LabView software. Beam diagnostic is provided by beam current monitors, by synchrotron radiation and by transition radiation. RTM tuning is achieved by adjustment of: (1) a current in steering coils, (2) an accelerating structure field level, (3) a focal power of solenoidal lens and quadrupole doublet, and (4) injection magnet current.
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Slides
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| THPSC010 |
The Electron Linear Accelerator LUE-200 - Driver the IREN Facility
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electron, target, gun, focusing |
346 |
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- V. Kobets, J. Boettcher, A. S. Kayukov, I. N. Meshkov, V. Minashkin, V. G. Pyataev, V. A. Shvets, V. N. Shvetsov, A. P. Sumbaev, V. N. Zamriy
JINR, Dubna, Moscow Region
- P. V. Logachev, V. M. Pavlov
BINP SB RAS, Novosibirsk
- V. Shabratov
JINR/VBLHEP, Moscow
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It is reported on startup of the first stage of the Intense REsonance Neutron source installation (IREN) at the Frank Laboratory of Neutron Physics of the Joint Institute for Nuclear Research. The general scheme and current status of the electron linear accelerator with accelerating structure on a S-band traveling wave (f = 2856 MHz) are presented. Results of adjustment of the basic functional systems of the linac and the measured parameters of the beam (pulse current of a beam – 3.0 A, electron energy - 30 MeV; duration of a pulse current - 100 ns; rep. rate - 50 Hz) are reported. The integral neutron yield from nonmultiplying target reaches (3…5)*1010 n/s.
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