New interpretation of the result of the experiment performed at Belgacom.---[ Return home ]

In the first interpretation of the result of the experiment and because I have not yet a theory to understand how the absolute velocity changes in a coaxial cable, I have made the temporary hypothesis that the electromagnetic radiations in the cable has the same absolute velocity < c whatever the way considered for the cable in the direction of the X' axis of motion. With this hypothesis, I predict theoretically an anisotropy of the light speed and also that the maximum and minimum phase shift must be observed in the direction of the ether-wind vector.

But unfortunately, the experimental result shows that maximum and minimum of the variable phase shift is out of phase of 6 hours of right ascension relatively to the frequency anisotropy of the microwave background spectrum.

The same way, as a new experiment performed by me, on basis of this hypothesis has given a null-result, I think that the hypothesis chosen is not good.

Thus, I have made the new hypothesis that the light speed in the cable is invariable in the moving frame. In this case, an agreement is obtained with the MWB anisotropy.

If we consider the ideal case used to understand how the GPS satellite clocks appear to remain synchronized, we have obtained in the rest frame the following additionnal time phase shift for an absolute clock in motion: .

This is a phase shift relatively to a clock with a constant absolute velocity (chosen at the center of the Earth for simplification).

This equation is valid for the figure below:

If we consider now that there is a coaxial cable between the clock in the center of the Earth and the GPS clock chosen at 1.5 km, the first isotropic term is very weak and only of 5.7 E(-15) s each 24 hours. Thus, it is fully negligible.

On the contrary, the anisotropic term in the moving frame is according to GTWMC (t'=t.sqrt(1-bb) with b=v/c): . Here, its variation is important and of 12 ns, that is to say of the same order as the phase variations observed in my experiment.

Thus, according to the new hypothesis that the one-way speed of light in the cable would be invariable, the only phase shift which remains is the one of the clock which changes of absolute motion (velocity).

If this time, the theoretical interpretation is correct, I cannot say that I have detected a variation of the light speed, but a change of absolute time dilation.

Nevertheless, as the absolute time dilation has been obtained in considering an anisotropic speed of light, the result of the experiment remains an indirect proof of the anisotropy of the light speed.

But here, the main important result, is that the maximum and minimum will be observed out of phase of 6 hours of right ascension relatively to the ether-wind vector or relatively to the maximum blue-shift of the microwave background spectrum.

The experimental setup is a bit more complicated, but the present interpretation is very encouraging.

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