Baryon number violating nuclear decay |
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Authors: | C S Warke |
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Institution: | (1) Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005 Bombay, India |
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Abstract: | The expressions for baryon number violating nuclear partial decay widths are derived from the interactions as predicted by
grand unified theories. Theory predicts that the baryon number violating proton decay inside the nucleus is hindered relative
to the free proton decay rate. In the case of closed shell nuclei, the meson spin-isospin dependence of the partial width
is the same as that for the nucleon decay. The branching ratios of decay amplitudes depend on the nuclear binding energies.
Nuclear structure introduces lepton energy spread of ±49.5 MeV for light closed shell nuclei, while it does not affect the
back to back emission of lepton-meson pair. |
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Keywords: | Grand unified theories closed shell nuclei nuclear decay proton decay quark models |
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