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Physics
Physics
Problem
The isotope
19
37
K
^{37}_{19}\text{K}
19
37
K
decays to
18
37
Ar
^{37}_{18}\text{Ar}
18
37
Ar
in a single step. Which of the following sets of emitted particles is required for the decay equation to obey all conservation laws? a)
β
+
+
ν
ˉ
e
\beta^{+}+\bar{\nu}_e
β
+
+
ν
ˉ
e
b)
β
+
+
ν
e
\beta^{+}+\nu_e
β
+
+
ν
e
c)
β
−
+
ν
ˉ
e
\beta^{-}+\bar{\nu}_e
β
−
+
ν
ˉ
e
d)
β
+
\beta^{+}
β
+
only
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