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ppk ppk
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Posts: 3561
12 years ago
In beta decay, it is found that the energy of the emitted electrons varies and is always less than what is calculated on the basis of the parent and daughter nuclei. This is evidence for the existence of another particle called the
A) gluon.
B) meson.
C) neutrino.
D) quark.
E) positrons.
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12 years ago
C) neutrino.
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