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1. 1. Dimension of the quark bag (of radius RN ) and of the core+electrons of a nuclearite. For MN < 109 GeV the electron cloud is outside the quark bag and the core+electrons system has a size of ∼ 105 fm = 1 ˚ A; for 109 < MN < 1015 GeV the electrons are partially inside the core; for MN > 1015 GeV all electrons are inside the core. The black dots are electrons, the quark bag border is indicated by thick solid circles; the border of the core+electron system is shown by dashed lines. that of atomic collisions: a nuclearite should displace the matter in its path by elastic or quasi-elastic collisions with the ambient atoms.

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Astroparticle Physics [lg article] by G. Giacomelli


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