$pi$$sup +-$ TRACKS IN A FILAMENT SCINTILLATION CHAMBER
The performance of a filament scintillation chamber system designed for studies on stopping mesons was studied by exposing it to the 90-Mev pi/sup plus or minus/ beam of the Nevis cyclotron and taking a total of 16,000 photographs. THe results indicate that (1) except for meson tracks, the chamber appears clean even without the 200-mu sec gating and the iron blockhouse, (2) the magnetic field has no effect on the performance and resolution, (3) three or four tracks can appear in a single picture of the 1-in.-diameter chamber without confusion, and (4) even at the highest beam fluxes, the gating restricts the tracks to those selected by the counter system. Pictures of the distinguishable stopping of pi/ sup +/ and pi/sup -/ mesons are included. (D.L.C.)
- Research Organization:
- Princeton Univ., N.J.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-004143
- OSTI ID:
- 4116268
- Journal Information:
- Rev. Sci. Instr., Journal Name: Rev. Sci. Instr. Vol. Vol: 31
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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