Detailed reaction for Hydrogen burning in stars:

1. ¹H + ¹²C -> ¹³N_radioactive
2. ¹³N -> ¹³C + neutrino + proton
3. ¹³C + proton -> ¹⁴N_stable + gamma ray
4. ¹⁴N + proton -> ¹⁵O_radioactive + gamma ray
5. ¹⁵O -> ¹⁵N_isotope + proton + neutron
6. ¹⁵N_isotope + proton -> ¹²C + ⁴He