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Instruments 2018, 2(4), 20; https://doi.org/10.3390/instruments2040020

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

1,2,†
1
Institute of Physics of the ASCR, 182 21 Prague, Czech Republic
2
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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Abstract

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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