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Instruments 2018, 2(4), 20;

Beam-Background Tests with TOTEM Roman Pot Detectors at the LHC Injection Energy

Institute of Physics of the ASCR, 182 21 Prague, Czech Republic
CERN, 1211 Geneva, Switzerland
on behalf of the TOTEM Collaboration.
Received: 22 August 2018 / Revised: 1 October 2018 / Accepted: 7 October 2018 / Published: 9 October 2018
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With the aim of measuring the total cross-section and the ρ parameter, TOTEM has performed tests of beam conditions at the LHC injection energy of s = 900   GeV . The tests have revealed complications in setting up the LHC collimators to minimise the background observed in the Roman Pot (RP) detectors, summarised in this article. In two tests a subset of the RPs was exposed to background compatible with the physics requirements. If no improvement of the collimation strategy is found, it is shown that a small retraction of the RPs can significantly reduce the observed background level. View Full-Text
Keywords: TOTEM; LHC; collimation; background; elastic scattering TOTEM; LHC; collimation; background; elastic scattering

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Kašpar, J. Beam-Background Tests with TOTEM Roman Pot Detectors at the LHC Injection Energy. Instruments 2018, 2, 20.

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