Insights Blog
-- Browse All Articles --
Physics Articles
Physics Tutorials
Physics Guides
Physics FAQ
Math Articles
Math Tutorials
Math Guides
Math FAQ
Education Articles
Education Guides
Bio/Chem Articles
Technology Guides
Computer Science Tutorials
Forums
Classical Physics
Quantum Physics
Quantum Interpretations
Special and General Relativity
Atomic and Condensed Matter
Nuclear and Particle Physics
Beyond the Standard Model
Cosmology
Astronomy and Astrophysics
Other Physics Topics
Trending
Featured Threads
Log in
Register
What's new
Search
Search
Search titles only
By:
Classical Physics
Quantum Physics
Quantum Interpretations
Special and General Relativity
Atomic and Condensed Matter
Nuclear and Particle Physics
Beyond the Standard Model
Cosmology
Astronomy and Astrophysics
Other Physics Topics
Menu
Log in
Register
Navigation
More options
Contact us
Close Menu
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
Physics
High Energy, Nuclear, Particle Physics
Open Questions about Neutrinos Today
Reply to thread
Message
[QUOTE="Vanadium 50, post: 6435055, member: 110252"] I don't like this. Suppose you had the correct theory. How do you know that you do? is QED the "correct theory" if photons and electrons? How do you know that the next digit of g-2 won't falsify it? Why stop with neutrinos? Only three particles have sensible masses - i.e. on the same scale as the Higgs vev - the W, the Z and the top quark. I would say none of those are particles - i.e. the flavor eigenstates don't have plane wave solutions. Only the mass eigenstates are particles. But it is known that all three flavor eigenstates have non-zero mass expectation values. That's as good as you can hope for. I think you already need to start thinking about what it would take to convince you. The ensemble of measurements favors normal ordering by about 2σ, or 95% CL. Is that enough? If not, what do you need? 3σ? 5σ? 4σ in one experiment? This is known, and the answer is "yes". But while you described helicity, I suspect you meant chirality, which is an open question. I would argue that a fermion that feels the strong force is more properly called a quark than a neutrino. But anyway... If you had a truly sterile neutrino, you not only couldn't detect it, you couldn't produce it either. We could discuss this, or we could discuss angels...pins...dancing... What most people think of as sterile neutrinos are actually only semi-sterile. You introduce a sterile neutrino into the theory, it mixes with one or more active neutrinos, and now one neutrino has almost the same coupling strength as an active neutrino and the other has only an itty-bitty one. Proponents would say nothing precludes us from adding a few sterile neutrinos into the theory. I might respond by saying I agree - I agree so much, I don't want to stop at two. Why not a million? Then I am off their Christmas card list. [/QUOTE]
Insert quotes…
Post reply
Forums
Physics
High Energy, Nuclear, Particle Physics
Open Questions about Neutrinos Today
Back
Top