First user results from the HOTWAXS detector system

被引：6

作者：

Bateman, J. E. ^{[1
]}

Derbyshire, G. E. ^{[1
]}

Diakun, G. ^{[2
]}

Duxbury, D. M. ^{[1
]}

Fairclough, J. P. A. ^{[3
]}

Harvey, I. ^{[2
]}

Helsby, W. I. ^{[2
]}

Mai, S-M. ^{[3
]}

Mykhaylyk, O. O. ^{[3
]}

Sankar, G. ^{[4
]}

Spill, E. J. ^{[1
]}

Stephenson, R. ^{[1
]}

机构：

[1] Rutherford Appleton Lab, STFC, Div Technol, Didcot OX11 0QX, Oxon, England

[2] STFC, Daresbury Lab, Warrington WA4 4AD, Cheshire, England

[3] Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England

[4] Royal Inst GB, London W1S 4BS, England

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2008年 / 55卷 / 02期

关键词：

gas detector; MSGC; position sensitive; synchrotron radiation; WAXS;

D O I：

10.1109/TNS.2008.918525

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Over the past 10 years combined techniques such as small angle and wide angle X-ray scattering (SAXS/WAXS) and X-ray absorption spectroscopy (XAS) with X-ray diffraction (XRD), have become the mainstay of time resolved experimental studies carried out at synchrotron radiation sources (SRS). However, these techniques have been limited by the detectors used to measure the wide angle scattering/diffraction pattern, and therefore restrict the dynamic experiments that can be studied. The HOTWAXS (High Overall Throughput Wide-Angle X-ray Scattering) detector project was designed to address this issue by producing a position sensitive, parallax free, high count rate, photon counting detector based on microstrip gas chamber (MSGC) technology. The initial experiments, performed on station 16.1 of the Daresbury SRS, with a high density polyethylene sample, confirmed the local count rate per channel to be 1 x 10(6) counts per second. A global count rate over the 512 channel detector of 27 x 10(6) counts per second was also measured for this sample. Time resolved experiments on stations 2.1 and 9.3 with real 'user' samples have also been performed, the results of which are presented.

引用

页码：729 / 733

页数：5

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