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MOPF30 | Diagnostics of the TPS Booster Synchrotron for Beam Commissioning | booster, synchrotron, injection, radiation | 114 |
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Booster synchrotron for the Taiwan photon source project is in commissioning. Diagnostics which consist of screen monitors, intensity monitors, beam position monitors, tune monitors, visible light synchrotron radiation monitors and radiation-sensing field-effect transistors are integrated with accelerator control system. Integration and functionality check were done recently. Details of these diagnostics and preliminary test results will be summarized in this report. | |||
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Poster MOPF30 [1.036 MB] | ||
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TUPD24 | Installation of a Beam Loss Monitoring System at the S-DALINAC* | controls, radiation, electron, monitoring | 468 |
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Funding: *Work supported by the BMBF through 05K13RDA The S-DALINAC is the superconducting linear accelerator of the Institut für Kernphysik at Technische Universität Darmstadt. It delivers an electron beam with energies up to 130 MeV. In order to get a short-time response about occurring beam losses and their locations a new system was tested and installed. The setup is based on beam loss monitors of Bergoz company using two pin-diodes to record primary electrons as well as secondary radiation in a coincidence set-up. The readout is done using a self-developed system of a supply unit including differential line-drivers and fast counting cards compatible to our EPICS-based control system. We will report on the installation of the whole system and its first commissioning as well as on the future use of the system for experiments on threshold currents for transverse beam break up. |
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Poster TUPD24 [1.661 MB] | ||
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WEPF29 | Progress on the Beam Energy Monitor for the SPIRAL2 Accelerator. | controls, pick-up, interface, rfq | 617 |
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The first part of the SPIRAL2 project entered last year in the end of the construction phase at GANIL in France. The facility will be composed by an ion source, a deuteron/proton source, a RFQ and a superconducting linear accelerator. The driver is planned to accelerate high intensities, up to 5 mA and 40 MeV for the deuteron beams. A monitoring system was built to measure the beam energy on the BTI line (Bench of Intermediate Test) at the exit of the RFQ. As part of the MEBT commissioning, the beam energy will be measured on the BTI with an Epics monitoring application. At the exit of the LINAC, another system will have to measure and control the beam energy. The control consists in ensuring that the beam energy stays under a limit by taking account of the measurement uncertainty. The energy is measured by a method of time of flight; the signal is captured by non-intercepting capacitive pick-ups. This paper describes the BTI monitor interface and presents the system evolution following the design review. | |||
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Poster WEPF29 [1.513 MB] | ||
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WEPD05 | Improvement of Data Transfer Speed of Large Memory Monitors | Ethernet, FPGA, injection, operation | 642 |
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Beam monitors with long memories will be widely used in SuperKEKB accelerators. Since the slow data transfer time of such devices usually limit the operational performance, improvement of the transfer rate is required. Two kind of devices, VME-based module and Ethernet-based modules has been developed. On the VME-based devices such as turn-by-turn position monitors for damping ring or long bunch oscillation monitors, MBLT and BLT transfer method has been implemented. For the Ethernet based system, the gated turn-by-turn monitors, SiTCP has been implemented on the FPGA and the EPICS device support for SiTCP has been developed. The improvement of the data transfer speed with the long-term reliability will be presented. | |||
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Poster WEPD05 [1.791 MB] | ||
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WEPD09 | Development of a High Speed Beam Position and Phase Monitoring System for the LANSCE Linac | timing, FPGA, network, linac | 655 |
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Funding: Work supported by the U.S. Department of Energy. The Los Alamos Neutron Science Center (LANSCE) is currently developing beam position and phase measurements (BPPMs) as part of the LANSCE risk mitigation project. BPPM sensors have been installed in the 805-MHz linac and development of the monitoring electronics is near completion. The system utilizes a high speed digitizer coupled with a field programmable gate array (FPGA) mounted in a VPX chassis to measure position, phase and intensity of a variety of beam structures. These systems will be deployed throughout the LANSCE facility. Details of the hardware selection and performance of the system for different timing structures are presented. |
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