[time-nuts] Neutrinos not so fast? (defectove connector)
arnold.tibus at gmx.de
Thu Feb 23 14:43:44 UTC 2012
Am 23.02.2012 15:24, schrieb Alberto di Bene:
> On 2/23/2012 1:04 AM, Poul-Henning Kamp wrote:
> I simply don't buy the story that tightening the connector makes
> a consistent 60 nanoseconds difference on a signal.
> I spoke with a physicist of Cern, friend of the leader of the team that
> performed the Opera experiment.
> He told me that the badly seated connector caused the amplitude of the
> signal to be lower, and for this reason the trigger point, which was
> set at a specific level, was reached 60ns later.
> 73 Alberto I2PHD
What I do not understand after all, is it not possible to run an overall
test for the measurement
loop by sending eg. a timestamp controlled signal including all the
lines and connections etc. ?
Final end to end tests were for me always the most important procedures.
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