Difference between revisions of "Fast neutron damage to HPGe Detector"
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| − | A decrease in the energy resolution of a large HPGe was first seen after the irradiation of 5 | + | A decrease in the energy resolution of a large HPGe was first seen after the irradiation of <math>5\times 10^7 n/cm^2 </math><ref>P. H. Stelson, J. K. Dickens, S. Raman, and R. C. Trammell, “Deterioration of Large Ge(Li) Diodes Caused by Fast Neutrons,” Nuclear Instruments and Methods 98,481 (1972).</ref>, so <math>5\times 10^6 n/cm^2 </math> is a safe number to stay under. |
The maximum flux occurs right at the center of the detector, where the expression for flux simplifies to <math>n_{rate}\frac{1}{4\pi d^2}</math> | The maximum flux occurs right at the center of the detector, where the expression for flux simplifies to <math>n_{rate}\frac{1}{4\pi d^2}</math> | ||
Revision as of 06:08, 29 December 2016
A decrease in the energy resolution of a large HPGe was first seen after the irradiation of <ref>P. H. Stelson, J. K. Dickens, S. Raman, and R. C. Trammell, “Deterioration of Large Ge(Li) Diodes Caused by Fast Neutrons,” Nuclear Instruments and Methods 98,481 (1972).</ref>, so is a safe number to stay under.
The maximum flux occurs right at the center of the detector, where the expression for flux simplifies to
References
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