A general analysis of thin wire pickups for high frequency beam position monitors
نویسندگان
چکیده
منابع مشابه
Cavity Beam Position Monitors
Beam-based alignment and feedback systems are essential for the operation of future linear colliders and free electron lasers. A certain number of beam position monitors with a resolution in the submicron range are needed at selected locations. Most beam position monitors detect the electric or the magnetic eld excited by a beam of charged particles at di erent locations around the beam pipe. I...
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The Spallation Neutron Source (SNS) linac accelerates 52-mA peak of pulsed Hparticles to over 800 MeV. There are three types of accelerating structure in which the beam position must be measured: the drift-tube-linac (DTL); cavity-coupled-linac (CCL); and superconducting-linac (SCL)[1,2]. Beam with a 402.5-MHz structure is injected into a 402.5 MHz DTL, followed by 805-MHz CCL and SCL structure...
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Electromagnetic modeling with MAFIA of the combined beam position-phase monitors (BPPMs) for the Spallation Neutron Source (SNS) linac has been performed. Time-domain 3-D simulations are used to compute the signal amplitudes and phases on the BPPM electrodes for a given processing frequency, 402.5 MHz or 805 MHz, as functions of the beam transverse position. Working with a summed signal from al...
متن کاملBeam Position Monitors Characterization for Alba
Beam position monitors (BPM) characterization has been widely studied at ALBA Synchrotron Light Source. Special care has been taken on the analysis of their electrical offset in order to achieve submicron beam stabilities. This paper shows the results of the BPM offset study for Booster and Storage Ring. The electrical effect of the different vacuum vessels housing the BPMs is also reported.
متن کاملThe Calibration of BEPC Beam Position Monitors
The basic requirement for the BEPC beam position monitor is the measurement of the beam orbit with 0.1 mm precision near the collision point. To improve the measurement accuracy, the response of the beam position monitor pickups was mapped in the laboratory before they were installed in the BEPC ring. The microcomputer-controlled test set consists of high frequency coaxial switches to select ea...
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ژورنال
عنوان ژورنال: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
سال: 1991
ISSN: 0168-9002
DOI: 10.1016/0168-9002(91)90004-a