A long scintillation counter for precise measurement of time of flight and impact position

B. Ghidini, K. Müller, J. Eades, B. French, L. Mandelli, F. Navach, V. Picciarelli, J. Bailey, M. Edwards, I. L. Smith, D. N. Edwards, J. Fry, Roberto Car, P. D'Angelo, S. Grabar, G. Minelli

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Abstract

Plastic scintillator counters made of long slabs (200×20 cm2) of different thickness have been tested with 120 cm long plexiglas light guides coupled to 58 AVP photomultipliers. The accuracies achieved in measuring the time of flight of 600 MeV/c protons, which hit the counter at different distances from the photo-multiplier, range from 350 to 450 ps fwhh. The impact position of the particles is determined along the counter by the time difference, as measured from the two opposite ends, with an accuracy ranging from 4.5 to 5.5 cm fwhh.

Original languageEnglish (US)
Pages (from-to)357-363
Number of pages7
JournalNuclear Instruments and Methods
Volume125
Issue number3
DOIs
StatePublished - Apr 15 1975

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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    Ghidini, B., Müller, K., Eades, J., French, B., Mandelli, L., Navach, F., Picciarelli, V., Bailey, J., Edwards, M., Smith, I. L., Edwards, D. N., Fry, J., Car, R., D'Angelo, P., Grabar, S., & Minelli, G. (1975). A long scintillation counter for precise measurement of time of flight and impact position. Nuclear Instruments and Methods, 125(3), 357-363. https://doi.org/10.1016/0029-554X(75)90251-7