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**Physics Note****Published**

# **Simple description of cluster radioactivity**

**O. A. P. Tavares; Emil de Lima Medeiros**

05/31/2012

[**Download PDF **1.6 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbbb23/pdf) [**Contact owner**](mailto:apub@cbpf.br?subject=Simple%20description%20of%20cluster%20radioactivity)

## **Publication details**

<dl>

<dt>Authors</dt>
<dd>O. A. P. Tavares; Emil de Lima Medeiros</dd>

<dt>Type</dt>
<dd>Physics Note</dd>

<dt>Status</dt>
<dd>Published</dd>

<dt>Publication date</dt>
<dd>31/05/2012</dd>

<dt>Description</dt>
<dd>The partial half-life of radioactive decay of nuclei by the emission of fragments heavier than the alpha particle, such as the emission of carbon, oxygen, neon, magnesium, and silicon isotopes from translead nuclei (known as cluster radioactivity), is re-evaluated in the framework of a semiempirical, one-parameter model based on the quantum mechanical tunneling mechanism through a potential barrier where the Coulomb, centrifugal, and overlapping contributions to the barrier are considered within the spherical nucleus approximation. This treatment has shown not only very adequate to t all the existing half-life data, but also to give more reliable half-life predictions for new, yet unmeasured cases of spontaneous emission of massive nuclear fragments both from heavy and intermediate-mass parent nuclei as well.</dd>

<dt>Year</dt>
<dd>2012</dd>

<dt>Number</dt>
<dd>CBPF-NF-011/12</dd>

<dt>Linked to a thesis</dt>
<dd>No</dd>

<dt>Linked to a grant</dt>
<dd>No</dd>

</dl>

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