This picture
was taken in the CERN 2 metre bubble chamber, filled with hydrogen, and exposed
to a beam of particles
with an energy of 8.2 GeV.
The highlighted vee was produced by a
(curving to the left like the beam) and a proton
from
the decay of a
.
For further details of this exceptionally rich picture, click here.
For another example of lambda click on the picture below.
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