Neutrino oscillation Definition and 25 Threads

On May 31, 2022, the Daya Bay experiment announced in a press release that they had made a new ultra-precise measurement of the neutrino oscillation parameter theta13 (but did not provide the half line of text necessary to fully summarize the new result). The press release also doesn't provide...

If we have a beta decay where a solar neutrino is produced: a proton converts into a neutron ,emitting a W. the W decays into an anti electron and a neutrino. So in the end of the chain we have a neutrino that will travel through space and oscillate. Neutrino Oscillation happens because of...

I am researcher in computational condensed matter physics. Now, I want to start research on neutrino physics using simulation. Please anybody guide me how to start: I mean which software to use and from where to get experimental data and then simulate. Thank you,

Hello Just wondering what the difference is between resonant and non-resonant neutrino oscillations. Are resonant neutrino oscillations called Mikheyev-Smirnov-Wolfenstein? Thank you

This question just occurred to me recently. Assuming the different neutrinos (electron, muon, tau) do not have the same mass, then if their energy is very low, such that they are moving non-relativistically, an oscillation must substantially change the velocity (to conserve momentum). It seems...

Homework Statement Suppose that two neutrinos are created in the sun - call the states |{ \nu_1}\rangle and |{ \nu_2}\rangle . (Among many other things) I am asked to show that once the neutrinos have propigated a distance x after a time t, the states satisfy: |{ \nu_1}(x,t)\rangle =...

Hello, I need to research online about the difference between neutral meson and neutrino oscillations. However I've found this difficult. I haven't found anywhere any comments on the differences between the two. The only thing which comes to mind is that the mesons can interact in their mass...

Hi, I have some problem in deriving \Delta m_M^2 as given in eq.35 here: http://www.slac.stanford.edu/econf/C040802/papers/L004.PDF When I tried to derive the eigenvalues of H_M (eq.33) I got: m^2 = (\cos 2 \theta -x)^2 + \sin^2 2 \theta which is only one eigenvalue. Any help? In...

[SIZE="4"]Definition/Summary There are three masses of neutrino (they are unknown, but the differences of their squares is known approximately). There are three flavours of neutrino: electron- muon- and tau-, and a neutrino when it is created must be one of those three flavours. Each...

Hi all! I am not sure how to prove mathematically that the expression for the probability that a neutrino originally of flavor α will later be observed as having flavor β P_{α \rightarrow β}=\left|<\nu_{\beta}|\nu_{\alpha}(t)>\right|^2=\left|\sum_{i}U_{β i}^*U_{α i}e^{-iE_it}\right|^2 (1) can...

Hi, this is probably pretty simple but it's puzzling me... In neutrino oscillation, you produce and detect neutrinos with a specific flavour (e,μ,τ) but they travel as mass eigenstates (1,2,3). The flavour eigenstates are just linear superpositions of mass eigenstates: nu_e = U_e1 nu_1 +...

i would like to ask a few questions about Neutrino oscillation 1) How can i calculate/obtain the mass eigenstates and weak eigenstates of neutrino if we can get those, then how come we cannot obtain the mass eigenvalues. 2) why we know the relation between mass eigenstates and weak...

If I'm not mistaken, measuring the \delta_{CP} from the PMNS matrix may be done by comparing P(\nu_{\alpha} \rightarrow \nu_{\beta}) to P(\overline{\nu_{\alpha}} \rightarrow \overline{\nu_{\beta}}) , where P(\nu_{\alpha} \rightarrow \nu_{\beta}) - P(\overline{\nu_{\beta}} \rightarrow...

In oscillation experiments that use solar neutrinos, it seems that the mixing angle \theta_{12} and the mass squared difference \Delta m_{12}^2 can be determined from comparing measurements of the neutrino flux to theoretical models of what the Sun should be emitting. However, I am...

In neutrino oscillation the probability a neutrino changing its flavour depends on the difference between the squares of the masses of the neutrino mass eigenstates. For example, the squared-mass difference between the mass states \nu_{1} and \nu_{2} is denoted \Delta m^2_{12} . However, I...

Just a quick question about notation really here. In neutrino oscillation we can calculate a probability of an oscillation occurring between two flavour eigenstates - invariably denoted P(\nu_{\alpha} \rightarrow \nu_{\beta}) . I've got some confusion about what happens to this when we apply...

I hope you don’t mind me asking this OPERA question here but I think it’s more of a QM question. I just watched NOVA Ghost Particle and it got me thinking. The only problem is that my brain isn’t strong enough to hold all that I’m reading about this experiment. From what I gather, the CERN...

I've been reading about the solar neutrino problem. I heard that if the neutrinos had mass, then they could "oscillate" between all three types. Whatever. I'll buy it. But here are two things I don't get: Why do they need mass to oscillate (is it because having different masses is the...

Neutrinos are emitted with corresponding leptons (e, mu ,tau) and that's a conservations law(?) what about when neutrinos oscillate into each other is that a violation of that law? also is there a corresponding oscillation in the other leptons and other particles?? Thanks :wink:

Sorry if this qs been asked before, i couldn't find one similar.

Homework Statement I doubt that my problem is supposed to be in the Advanced Physics forum, but the subject is advanced. Okay, my problem is pretty stupid. The assignment is deriving a probability using some approximations and such, for 2-neutrino oscillation. I can do the entire calculation...

Wikipedia says that the phenomenon of Neutrino Oscillation implies that the neutrino has a non-zero mass (http://en.wikipedia.org/wiki/Neutrino_oscillation" ). Why is that? Why is it that Neutrino Oscillation can only exist, if neutrinos do have mass?

I have many doubts about neutrinos..can someone explain me? 1. All neutrinos and anti neutrinos have different masses..and if the neutrinos oscillate, how the difference in mass is justified? is there any violation of energy conservation? 2. If neutrinos which are leptons oscillate, then...

I don't really understand why neutrino oscillation occurs so I looked it up on wikipedia: http://en.wikipedia.org/wiki/Neutrino_oscillation I went to the "Theory, graphically" section and it gives quite a good explanation. However, there are a few details I don't get. It says: "This...

Homework Statement I'm lost at how to derive the probability of a neutrino species surviving an oscillation. After performing calculations, I can't seem to get it into the nice tidy form 1-\sin^{2}2\theta\sin^{2}\left(\frac{\Delta m^{2}t}{4p}\right) Homework Equations Whatev...