On Fri, Sep 23, 2011 at 10:38 PM, Bill Dailey <docdai...@gmail.com> wrote:
> The article is actually pretty fascinating regarding how it was all done. > Light can't go through rock (very far), neither can most other particles > (some farther than others). Neutrinos can pass through earth and the sun > unimpeded. It is neat apparently they set up a fiber optic link to test the > timing between the 2 locations (modeled the correct > Length). Not quite. We used a traditional common view time transfer setup, using two Septentrio PolaRx2e receivers and two CS4000 Cesium clocks. Then the signals had to be sent from the GPS receiver locations to the extraction at CERN and to the cavern in Opera, and we did have to take care of fiber delays. More details here: http://dl.dropbox.com/u/13409775/cern-cal.pdf And for reference, the general paper here: http://arxiv.org/abs/1109.4897 Cheers, Javier _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
