Title :
The DISTO first level trigger at SATURNE
Author :
Balestra, F. ; Bedfer, Y. ; Bertini, R. ; Bland, L.C. ; Brenschede, A. ; Brochard, F. ; Bussa, M.P. ; Choi, S. ; Debowski, M. ; Dzemidzic, M. ; Faivre, J.C. ; Fava, L. ; Ferrero, L. ; Foryciarz, J. ; Frolov, V. ; Garfagnini, R. ; Gill, D. ; Grasso, A. ; H
Author_Institution :
Dipt. de Fisica, Ist. Nazionale di Fisica Nucl., Torino, Italy
fDate :
6/1/1998 12:00:00 AM
Abstract :
The DISTO collaboration has built a large-acceptance magnetic spectrometer designed to provide broad kinematic coverage of multi-particle final states produced in pp scattering. The spectrometer has been installed in the polarized proton beam of the Saturne accelerator in Saclay to study polarization observables in the p&oarr;p→pK+Y&oarr; (Y=Λ, Σ0 or Y*) reaction and vector meson production (φ, ω, and ρ) in pp collisions. The common signature of such events is the multiplicity of four charged particles in the final state. A flexible 1st level trigger which uses topological information from fast detectors (scintillating fibers and hodoscope) has been built. It is completely software programmable through a menu-driven user interface and allows switching between production and monitor triggers on successive beam spills
Keywords :
nuclear electronics; particle spectrometers; trigger circuits; DISTO first level trigger; SATURNE; beam spills; charged particles; flexible 1st level trigger; hodoscope; large-acceptance magnetic spectrometer; menu-driven user interface; multi-particle final states; polarization observables; polarized proton beam; scintillating fibers; topological information; vector meson production; Collaboration; Colliding beam accelerators; Kinematics; Particle accelerators; Particle beams; Particle scattering; Polarization; Production; Proton accelerators; Spectroscopy;
Journal_Title :
Nuclear Science, IEEE Transactions on
