Recent content by unscientific

What do you mean by "substitute the metric components that appear in the given line element ##ds^2##"?

Or is it better to use ##W = \sigma \frac{J}{A} (nA\delta x) = \sigma \frac{J}{A} N## where I can find the flux from using ##\frac{J}{4\pi r^2}##?

Homework Statement A reactor fires out ##10^{21}## neutrinos per second. A detector containing ##10m^3## of liquid which contains 30 carbon atoms every 60 hydrogen atoms. The detector-reactor distance is ##1000##. The cross section for the reaction is ##\sigma = 10^{-46} m^2##, and the density...

Why is it that in a 2 body decay all muons are produced at the same energy? Since ##E_{cm} = E_\nu + E_\mu##, shouldn't there be a spectrum as well?

I was wondering are there any experiments to distinguish between 2 and 3-body decays? For example, consider decay of the muon and the pion: The pion only emits 1 muon neutrino ("missing energy") and 1 muon. The muon however, emits 1 muon neutrino, 1 electron neutrino and 1 electron. How is...

Oops. Then ##1s^2, 2s^2, 2s2p, 3s^2, 3s3p##?

Ok, but ##n## is defined as the number beside ##1s,2s,3s## right? So in that case the first 4 levels are ##1s^2, 1s1p, 2s^2, 2s2p, 3s^2##? So energy levels are ##n=1,1,2,2,3##.

Ok, I think I got it. Are the first 4 energy levels ##1s^2, 2s^2, 3s^2, 4s^2##?

We can't assume that, as each level has a shielding effect such that ##E_n = -hcR_{\infty}\frac{(Z-\sigma_n)^2}{n^2}##.

bumpp

If ##x^i = constant##, then wouldn't ##dx^i = 0##?

Homework Statement Write down the geodesic equation. For ##x^0 = c\tau## and ##x^i = constant##, find the condition on the christoffel symbols ##\Gamma^\mu~_{\alpha \beta}##. Show these conditions always work when the metric is of the form ##ds^2 = -c^2dt^2 +g_{ij}dx^idx^j##.Homework...

Ok, how would the integrals with limits look like in the spherical coordinate system?

Theta is the angle subtended from point of emission to edge of detector and phi is the same, but sideways.

I suppose that the origin is where the particles fly out, and the detector is situated ##200km## away.