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Klein Paradox
This is the name sometimes given to the logic that shows there can be no electrons in the nucleus of an atom (hence a beta particle is created at the instant of radioactive emission). The 'size' of an electron is associated with its de Broglie wavelength; roughly speaking this matter wavelength for a bound electron in an atomic orbit is of the order of the circumference of the orbit. The greater the energy the shorter the wavelength (E=hc/lambda). Thus for an electron to have a wavelength small enough to be inside the nucleus of an atom (which has a diameter ~10000 times less than the whole atom) its energy must be so great that forces would have to be unacceptably large to bind it.
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Science Dictionary INDEX:List of Terms: Terms beginning with "A", Page 1 |
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 A: Page 1 of 22. |
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