A prototype readout system for the Diamond Beam Loss Monitors at LHC

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Diamond Beam Loss Monitors are used at the LHC for the measurement of fast beam losses. In this note, specimen LHC loss measurements with the prototype readout system “ROSY” from CIVIDEC are presented. The readout system is FPGA-based for on-line, real-time, and dead-time-free data processing, inclu...

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Detalles Bibliográficos
Autores principales: Effinger, E, Dehning, B, Baer, T, Schmidt, R, Frais-Kölbl, H, Griesmayer, E
Lenguaje:eng
Publicado: 2013
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/1743060
Descripción
Sumario:Diamond Beam Loss Monitors are used at the LHC for the measurement of fast beam losses. In this note, specimen LHC loss measurements with the prototype readout system “ROSY” from CIVIDEC are presented. The readout system is FPGA-based for on-line, real-time, and dead-time-free data processing, including a Linuxbased server for the interconnection to a GUI. The loss analysis makes full use of the fast signal response of the diamond detectors with 1 ns time resolution and 6.7 ns double pulse resolution. Two examples are presented: applications of the Time Loss Histogram with 1.6 ns binning and 1.2 ns time jitter for loss measurements that are synchronized with the LHC revolution period and a beam-loss-based tune measurement for all circulating bunches in parallel.

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