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Flat helical delay lines for position readout along the anode wire MWPC and drift chambers

Conference ·
OSTI ID:7234657

Simple, flat helical delay lines were developed for avalanche position determination along each anode wire, for unambiguous readout of multiparticle events in multiwire drift or proportional chambers. Lines of various propagation delay and dimensions were tested with x-rays and ..beta..-rays in several gas mixtures. Avalanche position resolutions of 0.2 mm and 0.6 mm FWHM, respectively, were obtained with a line 30 cm long in non electron-attaching gases.

Research Organization:
Brookhaven National Lab., Upton, NY (USA)
Sponsoring Organization:
USDOE
DOE Contract Number:
EY-76-C-02-0016
OSTI ID:
7234657
Report Number(s):
BNL-21888; CONF-761006-27
Country of Publication:
United States
Language:
English

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