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 происхождение фамилии хорьков

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haZel
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Number of posts : 97
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PostSubject: Re: происхождение фамилии хорьков   Wed Jan 11, 2012 12:49 am

I agree. You should consider though, that at distances of a few fermi, the force between two nucleons is weakly attractive, indicated by a negative potential. According to Hideki Yukawa's model2, this force is mediated by the exchange of particles known as mesons. The pi-meson, or pion, the lightest of the mesons, accounts for the attractive force at the largest distances where it is felt, whereas heavier mesons (rho, omega, sigma) take over closer in. The picture changes abruptly, however, below a separation of just under 1 fermi. Here the force becomes strongly repulsive, preventing nucleons merging. Ishii et al.1 provide the first theoretical calculations from quantum chromodynamics, the theory of the strong force, that reproduce the empirical form of this potential.
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Sly_Devil
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PostSubject: Re: происхождение фамилии хорьков   Sun Jan 22, 2012 2:27 pm

I always wanted to know about the strong force. Wanna explain the weak force along with gravity and electromagnetism while your at it?
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