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Time-of-flight system for controlling the beam composition

NEC'2011 VARNA BULGARIA. Time-of-flight system for controlling the beam composition. P.Batyuk, I.Gnesi, V.Grebenyuk, A.Nikiforov , G.Pontecorvo, F. Tosello JINR, 2011. Time-of-flight system for controlling the beam composition. Monitoring the beam composition.

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Time-of-flight system for controlling the beam composition

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  1. NEC'2011 VARNA BULGARIA Time-of-flight system for controlling the beam composition P.Batyuk, I.Gnesi, V.Grebenyuk, A.Nikiforov, G.Pontecorvo, F. Tosello JINR, 2011

  2. Time-of-flight system for controlling the beam composition

  3. Monitoring the beam composition Two main reasons for composition change: • instability of currents in the elements of magnetic optics • inaccurate positioning of target station For monitoring the beam composition by transit time the system was built based onCAMAC (Computer-Aided Measurement and Control) modules and ETHERNET CrateController from CAEN.

  4. The system block diagram

  5. Remoteconnection To connect the CAMAC Create with remote PC were used: • C111C Ethernet CAMAC Create Controller • program for remote connection PC with CAMAC Create Four main parts of program: • socket creation (socket with two parameters: IP address, port number) • establish a client - server connection • data exchange • socket destruction

  6. Socketconnection The server is a controller and a program is a client

  7. Dataexchangemode • command F24is used to stop the spectrum accumulation in memory module; • command F17makes output in the line; • afterLAM signalprogram switches into spectrum reading mode; • command F16is used to read data from memory.

  8. Results Spectra were obtained at different currents in the lens ML31, which focuses beam on the target.

  9. Results • Spectra were obtained for study of the beam • Spectra shows suitability of the system work

  10. References • V. F. Boreyko, Y. M. Valuev, V. M. Grebenuk and oth. JINR report R10-85-661, Dubna, 1985; • V. M. Grebenuk, A. V. Selikov, JINR preprint R10-90-335, Dubna, 1990; • V. A. Antuhov, D. Vasilev, N. I. Jouravlev and oth. JINR report R10-86-854, Dubna, 1985; • V. A. Antuhov, D. Vasilev, N. I. Jouravlev and oth. JINR report R10-85-922, Dubna, 1985; • CAEN Technical Information Manual. Revision n.9 27 May 2009.

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