J. Bouvier

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Publications (3)0 Total impact

  • Source
    Article: G$^0$ Electronics and Data Acquisition (Forward-Angle Measurements)
    D. Marchand, J. Arvieux, L. Bimbot, A Biselli, J. Bouvier, H. Breuer, R Clark, J.C. Cuzon, M. Engrand, R. Foglio, [......], J. Lenoble, E Liatard, J Liu, E. Munoz, J. Pouxe, G Quéméner, B Quinn, J-S Réal, O. Rossetto, R. Sellem
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    ABSTRACT: The G$^0$ parity-violation experiment at Jefferson Lab (Newport News, VA) is designed to determine the contribution of strange/anti-strange quark pairs to the intrinsic properties of the proton. In the forward-angle part of the experiment, the asymmetry in the cross section was measured for $\vec{e}p$ elastic scattering by counting the recoil protons corresponding to the two beam-helicity states. Due to the high accuracy required on the asymmetry, the G$^0$ experiment was based on a custom experimental setup with its own associated electronics and data acquisition (DAQ) system. Highly specialized time-encoding electronics provided time-of-flight spectra for each detector for each helicity state. More conventional electronics was used for monitoring (mainly FastBus). The time-encoding electronics and the DAQ system have been designed to handle events at a mean rate of 2 MHz per detector with low deadtime and to minimize helicity-correlated systematic errors. In this paper, we outline the general architecture and the main features of the electronics and the DAQ system dedicated to G$^0$ forward-angle measurements. Comment: 35 pages. 17 figures. This article is to be submitted to NIM section A. It has been written with Latex using \documentclass{elsart}. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment In Press (2007)
    03/2007;
  • Conference Proceeding: Analog And Digital ASICs Developments For Nuclear Instrumentation
    J. Bouvier, H. Bugnet, D. Dzahini, R. Foglio, J. Pouxe, M. Tournier
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    ABSTRACT: First Page of the Article
    Nuclear Science Symposium and Medical Imaging Conference, 1993., 1993 IEEE Conference Record.; 12/1993
  • Source
    Article: G0 electronics and data acquisition (forward-angle measurements)
    D. Marchand, J. Arvieux, G. Batigne, L. Bimbot, A. Biselli, J. Bouvier, H. Breuer, R. Clark, J.-C. Cuzon, M. Engrand, [......], J. Lenoble, E. Liatard, J. Liu, E. Munoz, J. Pouxe, G. Quéméner, B. Quinn, J.-S. Réal, O. Rossetto, R. Sellem
    [show abstract] [hide abstract]
    ABSTRACT: The G0 parity-violation experiment at Jefferson Lab (Newport News, VA) is designed to determine the contribution of strange/anti-strange quark pairs to the intrinsic properties of the proton. In the forward-angle part of the experiment, the asymmetry in the cross-section was measured for elastic scattering by counting the recoil protons corresponding to the two beam-helicity states. Due to the high accuracy required to measure the few-part-per-million asymmetry, the G0 experiment was based on a custom experimental setup with its own associated electronics and data acquisition (DAQ) system. Highly specialized time-encoding electronics provided time-of-flight spectra for each detector for each helicity state. More conventional electronics, processing only a small fraction of the events, was used for monitoring (mainly FastBus). The time-encoding electronics and the DAQ system have been designed to handle events from the 128 detector pairs at a mean rate of 2 MHz per detector pair with low deadtime and with minimal helicity-correlated systematic errors. In this paper, we outline the general architecture and the main features of the electronics and the DAQ system dedicated to G0 forward-angle measurements.
    Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment.

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