The inverse beta decay cross section can be predicted to 0.1% at low energies, but the uncertainty estimate relies on selective use of neutron lifetime data and ad hoc error inflation.
A discussion of the cross section $\bar\nu_e+p\to e^+ + n$
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abstract
We discuss the interaction cross section $\bar\nu_e-p$ due to charged currents, of major importance for neutrino detection. We present the history of its understanding and highlight the aspects necessary for its precise evaluation. We examine the three most recent determinations and, on the basis of the most recent one, tabulate its updated values and assess its uncertainty.
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The cross section of inverse beta decay
The inverse beta decay cross section can be predicted to 0.1% at low energies, but the uncertainty estimate relies on selective use of neutron lifetime data and ad hoc error inflation.