Gamma Spectrometry Forum

Hi Steven

Thank you very much indeed for this.

I will need to try and get my head around it.

Kind regards

Tim

Hi Steven

Thank you very much for your answer.

I would be very grateful if you could provide me with the equation that connects the mass of an electron to the ground potential.

Thank you very much.

Kind regards

Tim

Hi Steven Thank you very much indeed fro your very informative reply. To be honest, it actually goes somewhat over my head because I am actually somewhat of a newbie to all of this. I would need to study it for a long time to get my hear around it. I would be very grateful if you could explain to me...

The BBC might know more than me, but I have given this some thought and now believe in a very different Universe. In my Universe ground potential is falling which in turn makes it appear as if the Universe is expanding, my reasoning is that potential is E/q or energy per charge. The Sun and the Ear...

Hi Everyone A while ago, I heard on a BBC documentary (I can't remember which one) that by the time the heat death of the universe happens, all fundamental particles will have decayed, leaving behind only photons. Is this correct? As I understand it, under the circumstances that we are all familiar ...

Hi Steven

Thank you very much indeed for your very informative reply.

Kind regards

Tim

Hi Steven

Thank you very much indeed for your very kind reply.

So, does this mean that there is no lower energy limit (other than obviously zero) that photons can cascade down to in the manner I described in my original post?

Thank you very much.

Kind regards

Tim

Hi Everyone I have come across various situations in which a single photon gets absorbed by something and that thing then emits a large number of lower energy photons. Each of these lower energy photons might then get absorbed by something leading to the emission of a large number of even lower ener...

Interesting questions. I don't know enough about that end of the EM spectrum to give definitive answers to this. This is more the domain of electronics engineers, telecoms engineers, and radio astronomers. Submarine communications is the lowest frequency application of EM radiation I'm aware of, an...

Less than 1Hz? If that's not a typo, it's a wavelength of the order of the distance to the moon! Super-long wavelength ELF radio waves (or even below ELF definitions). I know some ELF signals (although I think still quite a bit higher frequency than 1Hz) are used for communications with submarines ...