Before revision: The sensitivity of channel A at 130.4 nm is 23 counts/second/ Rayleigh and the sensitivity of channel B at 135.6 nm is 26 counts/second/ Rayleigh .
After revision: The sensitivity of channel A at 130.4 nm is 23 counts/second/ rayleigh and the sensitivity of channel B at 135.6 nm is 26 counts/second/ rayleigh .