Radiative corrections to anti-neutrino proton scattering

Details Radiative corrections to anti-neutrino proton scattering Radiative corrections to anti-neutrino proton scattering

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..aprr11004m&link_type=abstract

American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #R11.004

Physics

Scientific paper

For the low-energy anti-neutrino reaction, νe+ p ->e^+ + n, which is of great current interest in connection with on-going high-precision neutrino-oscillation experiments, we calculate the differential cross section in a model-independent effective field theory (EFT), taking into account radiative corrections of order α. In our low-energy EFT, the order-α radiative corrections are considered to be of the same order as the nucleon recoil corrections, which include the ``weak magnetism" contribution. In EFT, the short-distance radiative corrections are subsumed into well-defined low-energy constants the values of which can in principle be determined from the available neutron beta-decay data. Furthermore, EFT allows for a systematic evaluation of higher order corrections, providing estimates of theoretical uncertainties in our results.

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