Neutrino-electron scattering in noncommutative space

Details Neutrino-electron scattering in noncommutative space Neutrino-electron scattering in noncommutative space

2010-11-24

arxiv.org/abs/1011.5423v1

JHEP 1011:131,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures

Scientific paper

10.1007/JHEP11(2010)131

Neutral particles can couple with the $U(1)$ gauge field in the adjoint representation at the tree level if the space-time coordinates are noncommutative (NC). Considering neutrino-photon coupling in the NC QED framework, we obtain the differential cross section of neutrino-electron scattering. Similar to the magnetic moment effect, one of the NC terms is proportional to $\frac 1 T$, where $T$ is the electron recoil energy. Therefore, this scattering provides a chance to achieve a stringent bound on the NC scale in low energy by improving the sensitivity to the smaller electron recoil energy.

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