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Ruhemasse von Baryonen - Das Verhältnis von Baryonen zu Elektronmasse

Author:

Geilhaupt, Manfred

Category:

Essays

Sub-Category:

Quantum Theory / Particle Physics

Language:

German

Date Published:

July 15, 2016

File:

/Essays-Quantum Theory / Particle Physics/Download/6587

Downloads:

683

Keywords:

N/A

Abstract:

Ein Proton ist etwa 1836-mal schwerer als ein Elektron (mp/me=1836.152738). Ähnliches ist vom Neutron zu berichten. Ein Neutron ist etwa 1838-mal schwerer als ein Elektron (mn/me=1838.68358). Die geringe Massenaufspaltung beim Proton-Neutron-Vergleich (etwa 1,3 MeV/c2) lässt sich teilweise über die unterschiedliche Ladung der beteiligten Quarks erklären. Im Gegensatz zum Elektron zeigt das Neutron (u,d,d), wie das Proton (d,u,u) wegen der Quarks, eine zusätzliche interne Kraftwechselwirkung, die sogenannte starke Kraft, die für den Zusammenhalt der Atomkerne von Neutron bzw. Proton verantwortlich ist. (Elektromagnetische, elektroschwache und Gravitations-Wechselwirkung lassen wir unberücksichtigt.)

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