Distance between electrons in electron beam?

In summary, The average distance between electrons in an electron beam can be approximated by knowing the beam's geometry and intensity. This can be calculated by using the beam's intensity and electron's velocity. The specific details needed include the beam size, number of electrons, and density of electrons, as well as the average velocity of the electrons as they pass through the slit.
  • #1
rob5
19
0
What is the average distance between electrons in an electron beam such as produced in a cathode ray tube as they pass through the slit and then as they pass through the charged horizontal plates and magnetic coils etc that produce the deflection?
 
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  • #2
Well one can approximate the spacing but more info is needed for that. The geometry and intensity of the beam would have to be known.
 
  • #3
inha said:
Well one can approximate the spacing but more info is needed for that. The geometry and intensity of the beam would have to be known.
What is the formula? reference?
 
  • #4
It can be figured out. If you know the beam's intensity (impulse) and the electron's velocity, you know how many electrons you have in the beam. If you know beam size, you can calcuylate the average interelectron difference.
 
  • #5
Of course. The question then is what is an example of a typical beam size or number of electrons generated by a tungsten filament at a typical temperature associated with a specific current and pulled toward the plate containing the slit, say 10kV relative to the voltage at the filament, emerging through a slit of a typical size say of cross section area A? And then what is the density of electrons in the beam entering and emerging from this slit and the average velocity of the electrons as they pass through the slit?
 

What is the distance between electrons in an electron beam?

The distance between electrons in an electron beam can vary depending on the specific beam and its properties, but typically it ranges from several micrometers to several millimeters.

How is the distance between electrons in an electron beam determined?

The distance between electrons in an electron beam is determined by the beam's accelerating voltage and the strength of the magnetic fields used to focus and guide the beam.

What factors can affect the distance between electrons in an electron beam?

The distance between electrons in an electron beam can be influenced by the beam's energy, the type of particles in the beam, the beam's trajectory, and any external forces or fields acting on the beam.

Can the distance between electrons in an electron beam be controlled?

Yes, the distance between electrons in an electron beam can be controlled by adjusting the beam's properties, such as its energy and trajectory, as well as by manipulating the external forces and fields acting on the beam.

Why is the distance between electrons in an electron beam important in scientific research?

The distance between electrons in an electron beam is important in scientific research because it can affect the behavior and interactions of the particles in the beam, which can impact the accuracy and precision of experiments and measurements. Additionally, understanding and controlling the distance between electrons in an electron beam is crucial for the development and advancement of technologies that rely on electron beams, such as electron microscopes and particle accelerators.

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