Driving Resolution to Noise Limit in Gamma Detectors
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Scan day: 09 February 2014 UTC
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Description: Article on adjusting detector circuits to improve performance.
Driving Energy Resolution to the Noise Limit in CdZnTe Gamma Detector Arrays Driving Energy Resolution to the Noise Limit in CdZnTe Gamma Detector Arrays Proper circuit adjustment improves the gamma resolution of a single pixel of a detector array to the noise limit. Steady flow of gamma generated charge, in a semiconductor detector array, induces fast signal build-up in a single pixel, as the charge arrives near its contact. The detector circuit response is adjusted to a short shape time of a spectroscopy amplifier that overlaps with the build-up period. The shape time determines a distance range, extending from the negative contact, where the detector signal does not depend on the position of gamma generation. The adjusted detector circuit is not sensitive to hole trapping and the gamma energy resolution is improved to the noise limit.
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| Page title: | Driving Energy Resolution to the Noise Limit in CdZnTe Gamma Detector Arrays |
| Keywords: | cdznte, pixel, small, gamma, detector, radiation, array, camera, electron, hole, eskin, lachish |
| Description: | Circuit adjustment of shape time, below the electron transition time througth a detector, improves the single pixel energy resolution. |
| IP-address: | 209.202.252.50 |
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| NS | Name Server: NS1.LYCOS.COM Name Server: NS2.LYCOS.COM Name Server: NS3.LYCOS.COM Name Server: NS4.LYCOS.COM |
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| Date | Creation Date: 29-sep-1994 Expiration Date: 28-sep-2014 |