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title: "TL Sensitivity Constancy of Quartz Upon UV+<math>(β ,γ)</math> Irradiation Cycle: An Improvement on Dating Methodology • CBPF Index"
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**Physics Note****Published**

# **TL Sensitivity Constancy of Quartz Upon UV+**<math>(β,γ)</math>\<math>(\\beta ,\\gamma)\</math><math>(β,γ)</math>** Irradiation Cycle: An Improvement on Dating Methodology**

**J. Heitor Souza**

1985

[**Download PDF **0.4 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb859/pdf) [**Contact owner**](<mailto:apub@cbpf.br?subject=TL%20Sensitivity%20Constancy%20of%20Quartz%20Upon%20UV%2B%3Cmath%3E(%CE%B2%20%2C%CE%B3)%3C%2Fmath%3E%20Irradiation%20Cycle%3A%20An%20Improvement%20on%20Dating%20Methodology>)

## **Publication details**

<dl>

<dt>Authors</dt>
<dd>J. Heitor Souza</dd>

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

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

<dt>Publication date</dt>
<dd>1985</dd>

<dt>Description</dt>
<dd>Thermoluminescence (TL) sensitivity of natural quartz (beaches,paleobeaches and fixed dunes) to Beta and Gamma rays has been studied in a temperature range between 250400C, before and after bleaching by solar irradiation. A first TL glow growth curve was obtained through Beta irradiation of "as found" samples and a second glow growth curve was obtained by bleaching through solar irradiation the TL acquired either through an excitation Gamma dose or through environmental radiation to finally re-irradiate the samples under Beta rays. Experimental results showing the constancy of sensitivity, for doses of until about 10krads, are the basis for a proposal to improve TL dating methodology expanding its present limits.</dd>

<dt>Year</dt>
<dd>1985</dd>

<dt>Number</dt>
<dd>CBPF-NF-073/85</dd>

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

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

</dl>

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```

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