The normalized emittance for Beam EXPERT SixTrack input is not used. We suggest to put it to 1000 to avoid possible confusion. https://github.com/lhcopt/lhcmask/blob/78df9ce10ce2c775ea7d26bc72c370e6745e36e9/python_examples/hl_lhc_collisions_python/000_pymask.py#L472