## Proceedings of the International School of Physics "Enrico Fermi.", Volume 25N. Zanichelli, 1953 - Nuclear physics |

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Page 128

19 we have given the contraction

data (Rp, Ip) so that we can see how the constriction due to negative ions

changes with the experimental situation. Obviously there is a contraction

increasing ...

19 we have given the contraction

**parameter**h|R as a function of the experimentaldata (Rp, Ip) so that we can see how the constriction due to negative ions

changes with the experimental situation. Obviously there is a contraction

increasing ...

Page 131

(4.14), produces two simul- N 0.5 L taneous equations for the quantities 2 = n(z)|n

(aro) and y = T, (r)/T, with a = r(H. and r, a ro/R. To, R., T., ro and B are

experimental

O x 05 1 ...

(4.14), produces two simul- N 0.5 L taneous equations for the quantities 2 = n(z)|n

(aro) and y = T, (r)/T, with a = r(H. and r, a ro/R. To, R., T., ro and B are

experimental

**parameters**, n(ro) is determined as the eigenvalue of the problem.O x 05 1 ...

Page 254

Any such quantity whose change approaches zero asymptotically as some

physical

instance, in Fermi's theory [1] for the acceleration of cosmic rays, it is assumed

that the ...

Any such quantity whose change approaches zero asymptotically as some

physical

**parameter**approaches zero or infinity is an adiabatic invariant. Forinstance, in Fermi's theory [1] for the acceleration of cosmic rays, it is assumed

that the ...

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### Contents

LEZIONI | 1 |

carrier mass | 159 |

hydrodynamique au voisinage dun axe magnétique | 214 |

Copyright | |

2 other sections not shown

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### Common terms and phrases

adiabatic invariant amplitude approximation assumed Boltzmann equation boundary conditions boundary layer calculated cathode charge coefficient collision components consider const constant contraction corresponds courbe critère current density Debye length derived differential equations discharge dispersion relation distribution function dºr eigenvalue electric field electromagnetic waves electrostatic energy principle equations of motion equilibrium exp i(k exp ioctl exp ior experimental finite fluid theory frequency given Hence instability integral interaction ioctl ionized KRUSKAL l'axe magnétique lignes limit lowest order magnetic field Maxwell's equations negative ions nonlinear obtain parameter particle perturbation Phys plasma oscillations Plasma Physics Poisson's equation potential problem quantities radial region satisfied saturation current ſº solution solving stabilité stability surface temperature thermal tion values vanish variables vector velocity voisinage waves in plasmas zero zero-order