Gargamelle: the tale of a giant discovery

Published 2009 | Version v1

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Fig. 1. The first example of the leptonic neutral current. An incoming muon-antineutrino knocks an electron forwards (towards the left), creating a characteristic electronic shower with electron–positron pairs. md5:1f7c0891141588f51ce597e9ddc9bb49	1.2 MB	Preview Download
Fig. 2. A beautiful hadronic neutral current event, where the interaction of the neutrino coming from the left produces three secondary particles, all clearly identifiable as hadrons, as they interact with other nuclei in the liquid. There is no charged lepton (muon or electron). md5:763e24e728fbf043a338465250cc3fa3	256.4 kB	Preview Download
The two papers from the 23 September 1973 issue of Physics Letters together showed that Gargamelle had discovered weak neutral currents. md5:7e1b63eff6d5da06a870fb12a7f51da5	314.4 kB	Preview Download