The time of flight wall for the HADES spectrometer

In the framework of the HADES (High Acceptance DiElectron Spectrometer) collaboration we are developing the Time Of Flight (TOF) wall subdetector. In order to efficiently select events with e/sup +/e/sup -/ pairs produced in the nuclear matter, the TOF wall must be able to resolve electrons from pio...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1998-06, Vol.45 (3), p.665-669
Main Authors: Agodi, C., Bassi, A., Bassini, R., Bellia, G., Benovic, M., Boiano, C., Brambilla, S., Coniglione, R., Cosentino, L., Finocchiaro, P., Hlavac, S., Iori, I., Kugler, A., Maiolino, C., Marek, T., Migneco, E., Piattelli, P., Pleskac, R., Rabin, N., Sapienza, P., Shishov, P., Smoliankin, V., Taranenko, A., Tikhonov, A., Tlusty, P., Turzo, I., Ushakov, V., Vassiliev, D., Vladimirov, S.
Format: Article
Language:English
Subjects:
Collaboration
Detectors
Electrons
Gold
Laboratories
Particle measurements
Photomultipliers
Physics
Spectroscopy
Timing
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Summary:In the framework of the HADES (High Acceptance DiElectron Spectrometer) collaboration we are developing the Time Of Flight (TOF) wall subdetector. In order to efficiently select events with e/sup +/e/sup -/ pairs produced in the nuclear matter, the TOF wall must be able to resolve electrons from pions up to 0.5 GeV/c and from protons up to 2 GeV/c. Because the short flight path of about 2 m requires a 100-150 ps time resolution, we are building a granular system made of scintillator rods readout on both ends by means of photomultipliers, capable of such performance.
ISSN:0018-9499
1558-1578
DOI:10.1109/23.682606