John Hasler <jhas...@newsguy.com> wrote: > Richard B. Gilbert wrote: >> How do you "tag" a neutrino so that you can say with assurance that the >> the neutrino that left Cern is the same neutrino that arrives at Sasso? > > Jim Pennino writes: >> By sending them in a "pulse" of a known width. > > It should be noted, however, that you cannot observe the same neutrino > twice. In fact, no neutrinos at all are observed at the Cern end: just > the protons that produce the pions that produce the neutrinos. An > upcoming experiment at Fermilab will observe neutrinos at both ends (the > far end will be in Minnesota).
And your point would be? -- Jim Pennino Remove .spam.sux to reply. _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions
