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Heavy particle radioactivities of superheavy nuclei

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arxiv 1106.3271 v2 pith:H4H2B5TW submitted 2011-06-16 nucl-th

Heavy particle radioactivities of superheavy nuclei

classification nucl-th
keywords alphadecayhalf-livesheavynucleiparticlesuperheavyallow
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The concept of heavy particle radioactivity (HPR) is changed to allow emitted particles with Z_e>28 from parents with Z>110 and daughter around 208Pb. Calculations for superheavy (SH) nuclei with Z=104-124 are showing a trend toward shorter half-lives and larger branching ratio relative to alpha decay for heavier SHs. It is possible to find regions in which HPR is stronger than alpha decay. The new mass table AME11 and the theoretical KTUY05 and FRDM95 masses are used to determine the released energy. For 124 we found isotopes with half-lives in the range of ns to ps.

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