The SLD CCD pixel vertex detector and its upgrade

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作者
McKemey, A [1 ]
机构
[1] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要
The SLD CCD vertex detector (VXD2) comprises 480 1 cm(2) commercial CCDs in a 120 Mpixel detector, and was operational at the SLC from 1992 to 1995. The performance of VXD2 is presented, based upon three years of running experience. A new vertex detector (VXD3) will be installed in late 1995 for the future runs of SLD. VXD3 uses 96 13 cm(2) custom made CCDs in a 307 Mpixel detector, and will provide 3 space point measurements per track of about 5 mu m resolution in all three coordinates. The VXD3 detector will achieve significant improvements in impact parameter resolution (about a factor of two) and acceptance (about 20%) through optimised geometry and reduced material. The design and predicted performance of VXD3 are presented.
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页码:1027 / 1034
页数:8
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