CMS Pixel Telescope Addition to T-980 Bent Crystal Collimation Experiment at the Tevatron

An enhancement to the T-980 bent crystal collimation experiment at the Tevatron has been completed. The enhancement was the installation of a pixel telescope inside the vacuum-sealed beam pipe of the Tevatron. The telescope is comprised of six CMS PSI46 pixel plaquettes, arranged as three stations o...

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Bibliographic Details
Published in:Physics procedia 2012-01, Vol.37, p.882-890
Main Authors: Rivera, Ryan, Annala, Jerry, Johnson, Todd, Kwan, Simon, Lundberg, Carl, Still, Dean, Prosser, Alan, Uplegger, Lorenzo, Zagel, Jim, Zvodaya, Viktoriya
Format: Article
Language:English
Subjects:
crystal collimation
data acquisition
pixel detector
pixel telescope
Tevatron
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Summary:An enhancement to the T-980 bent crystal collimation experiment at the Tevatron has been completed. The enhancement was the installation of a pixel telescope inside the vacuum-sealed beam pipe of the Tevatron. The telescope is comprised of six CMS PSI46 pixel plaquettes, arranged as three stations of horizontal and vertical planes, with the CAPTAN system for data acquisition and control. The purpose of the pixel telescope is to measure beam profiles produced by bent crystals under various conditions. The telescope electronics inside the beam pipe initially were not adequately shielded from the image current of the passing beams. A new shielding approach was devised and installed, which resolved the problem. The noise issues encountered and the mitigating techniques are presented herein, as well as some preliminary results from the telescope.
ISSN:1875-3892
1875-3892
DOI:10.1016/j.phpro.2012.03.728