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Very preliminary Albedo simulations

Very preliminary Albedo simulations. Dorothea Pfeiffer. GIF++ Project Meeting 17.10.2012. Albedo. 10 7 gammas (662 keV) fired through 1m vaccum at flat surface of infinite block Percentages of backscattered gammas :. Energy distribution. Peek around 200 keV . Angular distribution.

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Very preliminary Albedo simulations

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  1. Very preliminary Albedo simulations Dorothea Pfeiffer GIF++ Project Meeting 17.10.2012

  2. Albedo • 107 gammas (662 keV) fired through 1m vaccum at flat surface of infinite block • Percentages of backscattered gammas: Dorothea Pfeiffer

  3. Energy distribution Peek around 200 keV Dorothea Pfeiffer

  4. Angular distribution theta: angle between surface normal and momentum vector of scattered gamma Dorothea Pfeiffer

  5. 662 keV gammas 90° onto concrete 2.49836e+006 of 10000000 (24.9836%) backscattered theta: angle between surface normal and momentum vector of scattered gamma Dorothea Pfeiffer

  6. 662 keV gammas 45° onto concrete 3.25311e+006 of 10000000 (32.5311%) backscattered theta: angle between surface normal and momentum vector of scattered gamma Dorothea Pfeiffer

  7. 662 keV gammas 90° onto steel 1.50984e+006 of 10000000 (15.0984%)backscattered theta: angle between surface normal and momentum vector of scattered gamma Dorothea Pfeiffer

  8. 662 keV gammas 45° onto steel 2.12545e+006 of 10000000 (21.2545%) backscattered theta: angle between surface normal and momentum vector of scattered gamma Dorothea Pfeiffer

  9. 662 keV gammas 90° onto lead 119237 of 10000000 (1.19237%) backscattered theta: angle between surface normal and momentum vector of scattered gamma Dorothea Pfeiffer

  10. 662 keV gammas 45° onto lead 246727 of 10000000 (2.46727%) backscattered theta: angle between surface normal and momentum vector of scattered gamma Dorothea Pfeiffer

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