Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2011-08-03
Physics
High Energy Physics
High Energy Physics - Experiment
4 pages, 4 figures; presented at the LHC Lumi Days: LHC Workshop on LHC Luminosity Calibration, 13-14 January 2011, CERN, Gene
Scientific paper
With the installation of the T1 telescope and the Roman Pot stations at 147 m from IP5, the detector apparatus of the TOTEM experiment has been completed during the technical stop in winter 2010/2011. After the commissioning of the dedicated beam optics with beta* = 90 m, a first measurement of the total pp cross-section sigma_tot and -- simultaneously -- the luminosity L will be possible in the upcoming running season 2011. The precision envisaged is 3 % and 4 % for sigma_tot and L, respectively. An ultimate beam optics configuration with beta* ~ 1 km will later reduce the uncertainty to the 1 % level.
Deile Mario
for the TOTEM Collaboration
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