File:Quarks, electrons and atoms in closely related universes.png
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English: Investigating “fine-tuned” universe: effects of changing down quark, up quark and electron masses on atoms and nuclei. In “Neutron worlds” area a proton in a nucleus can capture an orbiting electron and become a neutron or (near edge) protons in nuclei decay spontaneously - atoms are unstable. In “Proton worlds” area the only stable element are atoms of hydrogen (already deuteron is unstable) – heavier elements don't exist. Highlighted dot in green area (there can exist atomic nuclei with orbitals and heavier elements too) is “our” universe - me = 0.5109989461 MeV, md = 4.7 MeV, mu= 2.2 MeV.1
Created according to "Quarks, electrons and atoms in closely related universes. By Craig J. Hogan, University of Washington. Edited by Bernard Carr, Queen Mary University of London. Publisher: Cambridge University Press. DOI: https://doi.org/10.1017/CBO9781107050990.016 "by OpenOffice Calc |
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| Source | Own work |
| Author | John12377 |
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| current | 15:56, 7 November 2019 | | 346 × 495 (17 KB) | John12377 (talk | contribs) | User created page with UploadWizard |
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