XENON SAMPLE ANALYSIS Created by:xecon 1.2 (2009-03-30) Sample: /home/xecon/sample_example.phd Gas background: /home/xecon/gasbk_example.phd Detector background: /home/xecon/detbk_example.phd Collection start: 2007/03/25 10:13:00.0 Collection stop: 2007/03/25 22:00:00.0 Air volume: 18.55 m3 Collection time: 42420 sec Processing time: 26618 sec Xenon volume: 1.150310 +/- 0.115030 cm3 Sample acq start: 2007/03/26 05:23:38.0 Sample acq times: 40171.000000 (real) 40171.000000 (live) Gasbk acq start: 2007/03/25 17:23:38.0 Gasbk acq times: 40177.000000 (real) 40177.000000 (live) Detbg acq start: 2006/07/13 12:46:03.0 Detbg acq times: 604827.000000 (real) 604827.000000 (live) Det subf sample: 0.066417 Det subf gasbk: 0.066427 Time difference between s and g measurements: 43200 sec Gas background subtraction factors: F_133: 0.935923 F_135: 0.402471 F_131m: 0.971224 F_133m: 0.853516 Det subf gasbk: 0.066427 Energy calibration tweaking parameters (offset gamma, tweak gamma, offset beta, tweak beta): 0.000000, 1.000000, 0.000000, 1.000000 Memory effect correction: 1.000000 Gross counts in ROI:s: ROI Sample Gaskb Detbk -------------------------------------------------------- 1 91 41 693 2 103 59 888 3 831 71 419 4 971 65 410 5 234 11 81 6 228 8 63 7 321 31 195 8 130 8 54 9 358 16 117 10 594 47 286 -------------------------------------------------------- Radon and Xe-133 found in sample and corrected for in the other ROI:s Gross count rates in ROI:s: ROI Sample Gaskb Detbk -------------------------------------------------------- 1 0.002265 0.001020 0.001146 2 0.002564 0.001469 0.001468 3 0.020687 0.001767 0.000693 4 0.024172 0.001618 0.000678 5 0.005825 0.000274 0.000134 6 0.005676 0.000199 0.000104 7 0.007991 0.000772 0.000322 8 0.003236 0.000199 0.000089 9 0.008912 0.000398 0.000193 10 0.014787 0.001170 0.000473 -------------------------------------------------------- Net counts in sample after corr of det background and interfering isotopes: ROI Counts Variance Critical limit -------------------------------------------------------- 1 44 94 11 2 25 123 16 3 787 844 12 4 885 977 15 5 -47 337 32 6 26 281 26 7 286 322 9 8 122 130 4 9 334 358 8 10 532 597 13 -------------------------------------------------------- Xe-133 found in gasbk and corrected for in the other ROI:s Net counts in gasbg after corr of det background and interfering isotopes: ROI Counts Variance Critical limit -------------------------------------------------------- 1 -5 44 11 2 0 62 13 3 43 72 8 4 34 67 9 5 -9 20 8 6 -6 12 7 7 16 31 6 8 4 8 3 9 7 16 4 10 25 48 7 -------------------------------------------------------- Total net counts in sample after subtraction of gas background: ROI Counts Variance Critical limit -------------------------------------------------------- 2 25 133 108 3 746 908 161 4 852 1036 183 5 -38 356 395 6 32 290 258 7 270 350 80 8 118 137 19 9 327 373 45 10 507 640 132 -------------------------------------------------------- Concentrations for each ROI ROI Conc (mBq/m3) Error (mBq/m3) -------------------------------------------------------- 1 0.508831 0.000000 2 0.403330 0.186375 3 6.624605 0.268004 4 5.950699 0.225303 5 -0.228962 0.113026 6 0.228216 0.120726 7 6.395013 0.443815 8 6.725838 0.667233 9 6.646499 0.392705 10 5.689173 0.284197 -------------------------------------------------------- Xe-133m found and corrected for in analysis of Xe-133 ROI 3,8, and 10 used for calculating the Xe-133 concentration Isotopic concentrations (mBq/m3): --------------------------------- Xe133: 6.21 +/- 0.19 Xe131m: -0.23 +/- 0.11 Xe133m: 0.23 +/- 0.12 Xe135: 0.40 +/- 0.19 --------------------------------- LC(mBq/m3) MDC (mBq/m3) --------------------------------- Xe133: 0.13 0.28 Xe131m: 0.20 0.41 Xe133m: 0.19 0.39 Xe135: 0.28 0.60 ---------------------------------