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Physics
Physics
Problem
For each candidate decay below, decide whether it is allowed. Write the letter(s) of all allowed decays. A.
9
19
F
→
10
19
Ne
+
e
−
^{19}_{9}\text{F}\rightarrow\,^{19}_{10}\text{Ne}+e^-
9
19
F
→
10
19
Ne
+
e
−
B.
11
23
Na
→
10
23
Ne
+
e
+
+
ν
e
^{23}_{11}\text{Na}\rightarrow\,^{23}_{10}\text{Ne}+e^++\nu_e
11
23
Na
→
10
23
Ne
+
e
+
+
ν
e
C.
1
3
H
→
2
3
He
+
e
−
+
ν
ˉ
e
^{3}_{1}\text{H}\rightarrow\,^{3}_{2}\text{He}+e^-+\bar{\nu}_e
1
3
H
→
2
3
He
+
e
−
+
ν
ˉ
e
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