Tuda logbooks General E1104 ISACII E1195 E1103 E1147 S1287 S1203 S1233 S1284 S1447 23Na(a,p) S1540 S1381  S1847 Catania

S1287

Fields marked with * are required Entry time: Thu Nov 14 22:31:50 2024 Author*: Type: - please select - Routine Other Category: - please select - General Other Subject: <p> <table width="98%" align="center" cellspacing="1" style="border:1px solid #486090;"> <tbody> <tr> <td cellpadding="3px" style="background-color:#486090; font-weidht:bold; color:white;">Alex Murphy wrote:</td></tr> <tr> <td cellpadding="10px" style="background-color:#FFFFB0;"><p><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">I've analysed data from runs 4 to 12, which were the alpha irradiations of PD1 and PD3 through the foils.</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Time, 'target', which PD is being irradiated.</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">21:02</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Ch2A</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">21:30</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Ch2B</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">21:49</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Ch2C</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">22:09</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Ch2D</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">22:30</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">AuC</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">23:16</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">2mm</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">23:35</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Au</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">24:23</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">4mm</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">3</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Data are being sorted with sort.f, with the new variables file which has offsets and gains.</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">The offsets should be fine, but the gains are based on data taken with the PDs in their</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">low-gain 'run' configuration. For these data, to be able to resolve energy loss at the scale of 10's keV,</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">we needed higher dispersion, so the gains were increased. Hence the gains in the variables file</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">cannot be used. We do a new energy calibration here.</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Peakfind has been used to find the centroids of all relevant peaks.</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Using 2mm hole data (no energy loss except for deadlayer) I find the calibration of PD1 to be 4.74379 keV/channel.</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Likewise, using 4mm hole data for PD3 I find PD3's energy calibration to be 4.78963 keV/channel.</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Energy losses for the three alpha peaks (5155, 5485, 5805 keV) are then:</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Foil ch2-A:</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">&nbsp;</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1077.0</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1020.4</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">972.9</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Foil ch2-B</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1121.6</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1060.8</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1010.9</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Foil ch2-C</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1059.6</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1005.1</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">952.2</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Foil ch2-D</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1162.3</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1101.2</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">1072.6 &nbsp;&nbsp;keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Foil thin ch2+flash gold</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">12.3</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">8.5</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">10.3</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">Foil: Thick gold</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">50.7</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">50.4</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">52.4</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><span class="Apple-tab-span" style="white-space: pre; "> </span></span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; ">keV</span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span><span class="Apple-style-span" style="font-family: Helvetica; font-size: medium; "><br /> </span></p></td> </tr> </tbody> </table> </p><p> </p> Encoding: HTML   ELCode   plain   Suppress Email notification Attachment 1:

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