In the framework of quantum open systems we analyze data from KamLAND by using a model that considers neutrino oscillation in a three-family approximation with the inclusion of the decoherence effect. Using a χ2 test we find new limits for the decoherence parameter which we call γ, considering the most recent data by KamLAND. Assuming an energy dependence of the type γ=γ0(E/E0)n, in 95 \% C.L. the limits found are 3.7×10−24GeV for n=−1, 6.8×10−22GeV for n=0, and 1.5×10−19GeV for n=1 on the energy dependence.
@article{arxiv.1603.04126,
title = {Parameter Limits for Neutrino Oscillation with Decoherence in KamLAND},
author = {G. Balieiro Gomes and M. M. Guzzo and P. C. de Holanda and R. L. N. Oliveira},
journal= {arXiv preprint arXiv:1603.04126},
year = {2017}
}