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unrelated mass sums

  • Foto del escritor: Alejandro Rivero
    Alejandro Rivero
  • 21 oct 2016
  • 1 Min. de lectura

Me pregunto si sera interesante, para cosas de cosmologia o del principio antropico, que la energia de un par nuclon-antinucleon este cerca, pero no alcance, de la doble beta a tau y muon o de la beta simple a charm y extraño

6546 b + c + s: 4780 + 1670 + 96(pole mass) 5546 b + c + s: 4180 + 1270 + 96(2GeV MSbar)

1968.27±0.10 Ds meson 1882.52 ±0.12 tau + muon: 1776.86±0.12 + 105.65837 1879.13 nn 1877.837 pn 938.272 + 939.565 1876.544 pp

1766 c + s quarks: 1670 ±70 + 96(+8-4) = (using pole mass for c) 1366 c + s quarks: 1270 ±30 + 96(+8-4) = 1366 (using 2 GeV MSbar)

De hecho el decay de Ds a proton antineutron se midio en el año 2008 http://pdglive.lbl.gov/BranchingRatio.action?parCode=S034&desig=124

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