mburns's Journal: New neutrino measurements will be a hash.

The new tight bunching of neutrinos, at 500 nanoseconds of separation, are a bit too close to be distinguished by uncalibrated Ethernet timers. The specification, as pointed out by AZSquib, is only plus or minus fifty parts per million. Before being reset by the master clock every six tenths of a second, these 100MHz timers could be off by 3000 ticks, or 30000 nanoseconds. Suppose that these timers are fifty times more accurate than the specification, then the maximum error could be 600 nanoseconds.

This consideration is a woeful omission in the error analysis by the original paper. Lets hope that the new results to be announced at the end of the month really are hashed.

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Michael J. Burns