ATLAS TRT barrel

On 3 February 2005, members of the US-TRT team proceeded to the installation of the last TRT barrel module for the Transition Radiation Tracker, which will be used for tracking in the Atlas detector. <BR><BR> The TRT barrel is made of 96 modules containing around 52 000 4-mm straws, each of them equipped with a 20 microns sense wire. The modules were first designed at CERN, then built in the USA between 1996 and 2003. <BR><BR> Duke, Hampton and Indiana Universities, tested in details at CERN between 2003 and 2005 by members of the US-TRT group, and mounted on the support structure in the SR-1 building where this video was taken. <BR><BR> During assembly of the last module, one can see Kirill Egorov (PNPI, Gatchina, Russia), Chuck Mahlong (Hampton) as well as John Callahan and Pauline Gagnon (Indiana). <BR> (Written by Pauline Gagnon)