From: Sam Wormley on
On 6/4/10 1:40 PM, franklinhu wrote:
> On Jun 1, 5:14 pm, eric gisse<jowr.pi.nos...(a)gmail.com> wrote:
>> > franklinhu wrote:
>>> > > The detection of a tau-neutrino from a muon-neutrino beam has been
>>> > > described in the article:
>> >
>>> > >http://press.web.cern.ch/press/PressReleases/Releases2010/PR08.10E.html
>> >
>>> > > However, I have a fundamental question about whether this detection
>>> > > shows that muon neutrinos convert into tau neutrinos.
>> >
>>> > > I have questioned the validity of the statement that there really are
>>> > > 3 types of neutrinos based on the evidence from Bookhaven in 1962
>>> > > where it was determined that there were at least 2 type of neutrinos
>>> > > since a muon neutrino beam produced only muons and no electrons.
>> >
>>> > > But how could we really determine that there are 2 neutrino types when
>>> > > only 1 type of neutrino was used in the experiment?
>> >
>> > Detection of two, emission of one? The reasoning doesn't strike me as
>> > complicated.
>> >
> What do mean by "dectection of two"?

Need a visual?

http://www.sciencenews.org/view/access/id/59824/title/rc_opera-neutrino-velika.jpg

The red changes to blue

http://www.sciencenews.org/view/download/id/59824/name/Transforming_event