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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mahler, G.J. Radeka, V. Schaknowski, N.A. Smith, G.C. Yu, B. Zojceski, Z. |
| Copyright Year | 1999 |
| Description | Author affiliation: Brookhaven Nat. Lab., Upton, NY, USA (Mahler, G.J.) |
| Abstract | A new position-sensitive detector is being developed for protein crystallography studies at a spallation source. Based on eight, independent, wire proportional chamber segments housed in a curved pressure vessel, the device covers a scattering angle of 120 degrees, and has a collecting area of 1.5 m by 20 cm. The position resolution will be about 1.3 mm FWHM, with a total counting rate in excess of one million per second. Timing resolution, essential for a spallation source application, is of order 1 /spl mu/s and provides neutron energy determination that is well suited for crystallography. Advanced features of this device include a digital centroid finding scheme, a seamless readout between segments, and a wire array design that minimizes anode modulation. Details of the mechanical design are given, together with digital centroid measurements that illustrate accurate, uniform response. |
| Starting Page | 361 |
| Ending Page | 364 |
| File Size | 295631 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780350219 |
| ISSN | 10823654 |
| DOI | 10.1109/NSSMIC.1998.775162 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1998-11-08 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Neutrons Crystallography Wire Energy resolution Position sensitive particle detectors Protein engineering Scattering Timing Anodes Digital modulation |
| Content Type | Text |
| Resource Type | Article |
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