When the bubble chamber first burst onto the scene

CERN

Published 2001 | Version v1

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When the bubble chamber first burst onto the scene

CERN

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Fig. 1. Before the bubble chamber - Brookhaven Cosmotron diffusion chamber photograph of a 1.5 GeV negative pion producing two neutral V-particles, seen via their characteristic decays. Tracks la and 2a} believed to be a proton and a negative pion respectively, are the decay products of a A . A kaon is probably seen to decay into a positive and a negative pion (lb, 2b). md5:cad3318ec1c8a50a39f65748acaf2998	499.3 kB	Preview Download
CERN stalwart Jack Steinberger. md5:99fa4e91a876a78f2cddb6bf503d4e63	247.2 kB	Preview Download
Fig. 2. Track of a cosmic ray particle in Donald Glaser's first bubble chamber. md5:27c134c393e2e2e8a1ba6f3f7fd6cc0a	187.7 kB	Preview Download
Fig. 3. An early Cosmotron bubble chamber photograph showing the associated production of two strange particles - a positive kaon and a X/. md5:16727c1b61db0e8d38a1e78e50a80f12	479.3 kB	Preview Download
Fig. 4. A propane chamber with a magnet discovered the L° in 1956. A 1300 MeV negative pion hits a proton to produce a neutral kaon and a L°, which decays into a A° and a photon. The latter converts into an electron-positron pair. md5:bd33adf34b05fc76476a66627a3d126c	592.4 kB	Preview Download
Fig. 5.1957 - an early example of parity (left-right symmetry) violation. This shows the angular distribution in A decay. The shaded area contains events produced in the centre-of-mass angular region 30° -150°. The asymmetry about 90° shows that parity is violated. md5:4b6106866a81056417d5d85dae626fa1	655.5 kB	Preview Download
Fig. 6.1964 - the bubble chamber classic, the production and decay of the Q~ hyperon in Brookhaven's 2 m bubble chamber. This remarkable event permitted reconstruction of all particle momenta and the determination of the mass of the Q . md5:401e8e5b1015ae5545558d7a59c54431	713.8 kB	Preview Download

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Issued: 2001-05

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When the bubble chamber first burst onto the scene

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