<Tr> <Td> Li </Td> <Td> + </Td> <Td> </Td> <Td> → </Td> <Td> 2 He </Td> </Tr> <P> The P-P II branch is dominant at temperatures of 14 to 7007230000000000000 ♠ 23 MK . </P> <P> Note that the energies in the equation above are not the energy released by the reaction . Rather, they are the energies of the neutrinos that are produced by the reaction . 90 percent of the neutrinos produced in the reaction of Be to Li carry an energy of 6987137947395530700 ♠ 0.861 MeV, while the remaining 10 percent carry 6986613633594520999 ♠ 0.383 MeV . The difference is whether the lithium - 7 produced is in the ground state or an excited (metastable) state, respectively . </P> <Dl> <Dd> <Table> <Tr> <Td> He </Td> <Td> + </Td> <Td> He </Td> <Td> → </Td> <Td> Be </Td> <Td> + </Td> <Td> γ </Td> </Tr> <Tr> <Td> Be </Td> <Td> + </Td> <Td> </Td> <Td> → </Td> <Td> </Td> <Td> + </Td> <Td> γ </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> </Td> <Td> → </Td> <Td> Be </Td> <Td> + </Td> <Td> </Td> <Td> + </Td> <Td> ν </Td> <Td> </Td> </Tr> <Tr> <Td> Be </Td> <Td> </Td> <Td> </Td> <Td> → </Td> <Td> 2 He </Td> </Tr> </Table> </Dd> </Dl>

The following is a fusion reaction 2 h 2 plus o 2 becomes 2 h 2 o