# Weak interaction

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The weak interaction is expressed with respect to nuclear electrons and the continuous β-ray emission spectrum of β decay.[1]

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 Educational level: this is a secondary education resource.
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 Subject classification: this is a physics resource .
 Subject classification: this is a terminology resource.

# Notation

Notation: let the symbol Def. indicate that a definition is following.

Notation: let the symbols between [ and ] be replacement for that portion of a quoted text.

# Universals

To help with definitions, their meanings and intents, there is the learning resource theory of definition.

Def. evidence that demonstrates that a concept is possible is called proof of concept.

The proof-of-concept structure consists of

1. background,
2. procedures,
3. findings, and
4. interpretation.[2]

The findings demonstrate a statistically systematic change from the status quo or the control group.

# Nuclear electrons

Nuclear electrons apparently may be bound in orbits of nuclear dimensions.[1]

"[A] nucleus [may consist] only of heavy particles - protons and neutrons."[1]

# β-ray emission

"In radiation theory, the total number of light quanta is not constant. Light quanta are created when they are emitted from an atom, and are annihilated when they are absorbed."[1]

By analogy to radiation theory, "The total number of electrons [and neutrinos] is not necessarily constant. Electrons (or neutrinos) can be created or annihilated. This ... is not analogous to the creation or annihilation of an electron-positron pair."[1]

"[E]ach transition from a neutron to a proton is associated with the creation of an electron and a neutrino. The reverse process (change of a proton into a neutron) must be associated with the annihilation of an electron and a neutrino."[1]

# β decay

"A β decay is the process by which a nuclear neutron changes into a proton at the same time as an electron, which is observed as a β ray, and a neutrino are emitted"[1].

# Long-distance behavior

The weak interaction of weak force acts over a distance (r) by

$\frac{1}{r} \ e^{-m_{W,Z} \ r}.$[3]

# Electromagnetic interaction

The electromagnetic interaction acts over a distance (r) by

$\frac{1}{r^2}.$