PT Journal
AU Barry, J
   Dorame, L
   Rodejohann, W
TI Linear collider test of a neutrinoless double beta decay mechanism in left-right symmetric theories
SO European Physical Journal C
JI Eur. Phys. J. C
PY 2012
BP 2023 - 11pp
VL 72
IS 5
DI 10.1140/epjc/s10052-012-2023-0
LA English
AB There are various diagrams leading to neutrinoless double beta decay in left-right symmetric theories based on the gauge group SU(2)(L) x SU(2)(R). All can in principle be tested at a linear collider running in electron-electron mode. We argue that the so-called lambda-diagram is the most promising one. Taking the current limit on this diagram from double beta decay experiments, we evaluate the relevant cross section e(-)e(-) -> WL-WR-, where W-L(-) is the Standard Model W-boson and W-R(-) the one from SU(2)(R). It is observable if the life-time of double beta decay and the mass of the W-R are close to current limits. Beam polarization effects and the high-energy behaviour of the cross section are also analyzed.
ER