Penetration depth of protons
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The trajectory of a Me V nucleon in a resist material is dependent on the fundamental interaction with both the atomic electrons and nuclei in the material. For all but of its path, the probability that a proton interacts with an electron is a few orders of magnitude broad than for organelle scattering and, as a early approximation, nuclear collisions somebody little effect on the trajectories. Because of the high mismatch in mass between the nucleon and the material’s electrons (mp/me ≈ 1800), nucleon collisions with electrons do not upshot in any significant deviation in the trajectory of a nucleon from a straight-line path.
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[1305.0845] Proton superconductivity and the masses of neutron stars
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The unexpected temperature evolution of the neutron star in the Cassiopeia A star end (Cas A, for short) has revived tremendous interestingness in the cooling system mechanisms of neutron stars. In particular, the formation of superconducting protons and superfluid neutrons deep inside the cores of neutron stars have turn focal points of the discussion. The purpose of this letter is to add a new aspect to this discussion, which focuses on the connectedness between proton superconductivity and the masses of neutron stars.
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Published: 29.01.2018 at 07:38
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