dorsal/arxiv
View SchemaSuper-allowed alpha-decay above doubly-magic 100Sn and properties of 104Te = 100Sn otimes alpha
| Authors | Peter Mohr |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0612089 |
| URL | https://arxiv.org/abs/nucl-th/0612089 |
| DOI | 10.1140/epja/i2006-10168-7 |
| Journal | Eur.Phys.J. A31 (2007) 23-28 |
Abstract
Alpha-decay half-lives for 104,105,106Te and 108,109,110Xe close above the doubly-magic 100Sn are calculated from systematic double-folding potentials. The derived alpha preformation factors are compared to results for 212,213,214Po and 216,217,218Rn above the doubly-magic 208Pb. Alpha-decay energies of Q_alpha = 5.42 \pm 0.07 MeV and 4.65 \pm 0.15 MeV are predicted for 104Te and 108Xe; the corresponding half-lives are T_{1/2} approx 5 ns for 104Te and of the order of 60 \mu s for 108Xe. Additionally, the properties of rotational bands in 104Te are analyzed, and the first excited 2+ state in 104Te is predicted at E_x = 650 \pm 40 keV; it decays preferentially by gamma emission with a reduced transition strength of 10 Weisskopf units to the ground state of 104Te and with a minor branch by alpha emission to the ground state of 100Sn.
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"abstract": "Alpha-decay half-lives for 104,105,106Te and 108,109,110Xe close above the\ndoubly-magic 100Sn are calculated from systematic double-folding potentials.\nThe derived alpha preformation factors are compared to results for\n212,213,214Po and 216,217,218Rn above the doubly-magic 208Pb. Alpha-decay\nenergies of Q_alpha = 5.42 \\pm 0.07 MeV and 4.65 \\pm 0.15 MeV are predicted for\n104Te and 108Xe; the corresponding half-lives are T_{1/2} approx 5 ns for 104Te\nand of the order of 60 \\mu s for 108Xe. Additionally, the properties of\nrotational bands in 104Te are analyzed, and the first excited 2+ state in 104Te\nis predicted at E_x = 650 \\pm 40 keV; it decays preferentially by gamma\nemission with a reduced transition strength of 10 Weisskopf units to the ground\nstate of 104Te and with a minor branch by alpha emission to the ground state of\n100Sn.",
"arxiv_id": "nucl-th/0612089",
"authors": [
"Peter Mohr"
],
"categories": [
"nucl-th"
],
"doi": "10.1140/epja/i2006-10168-7",
"journal_ref": "Eur.Phys.J. A31 (2007) 23-28",
"title": "Super-allowed alpha-decay above doubly-magic 100Sn and properties of 104Te = 100Sn otimes alpha",
"url": "https://arxiv.org/abs/nucl-th/0612089"
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