Amplification of atomic L-R asymmetries by stimulated emission: experimental demonstration of sensitivity enhancement valuable for parity violation measurementsD. Chauvat, J. Guéna, Ph. Jacquier, M. Lintz and M. A. BouchiatEur. Phys. J. D, 1 2 (1998) 169-176DOI: https://doi.org/10.1007/s100530050077