Abstract
RECENTLY the recording of coincidences between Geiger counters has become of considerable interest, and several experimental arrangements have been described for this purpose.1 A common property of these arrangements is that the resolving power is of nearly the same magnitude as the duration of an impulse from the counter (about 2 × 10-3 sec.). Impulses occurring within a time interval shorter than this are recorded as true coincidences. The method to be described here gives a resolving power about ten times higher; at the same time, it suffers from the disadvantage that the coincidences must be recorded photographically and not by mechanical summation, as is the case with the arrangements mentioned above.
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References
W. Bothe, Zeit.f. Phys., 59, 1 ; 1930. Bruno Rossi, Nature, 125, 636; 1930. Hummel, Naturwiss., 18, 567; 1931.
Proc. Roy. Soc., 131, 391 ; 1931.
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JACOBSEN, J. A Method of Recording Coincidences between Geiger Counters. Nature 128, 185 (1931). https://doi.org/10.1038/128185a0
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DOI: https://doi.org/10.1038/128185a0
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