LHC optics measurement with proton tracks detected by the Roman pots of the TOTEM experiment

G. Antchev, P. Aspell, I. Atanassov, V. Avati, J. Baechler, V. Berardi, M. Berretti, E. Bossini, U. Bottigli, M. Bozzo, E. Brücken, A. Buzzo, F. S. Cafagna, M. G. Catanesi, C. Covault, M. Csanád, T. Csörgö, M. Deile, M. Doubek, K. EggertV. Eremin, F. Ferro, A. Fiergolski, F. Garcia, V. Georgiev, S. Giani, L. Grzanka, J. Hammerbauer, J. Heino, T. Hilden, A. Karev, J. Kašpar, J. Kopal, V. Kundrát, S. Lami, G. Latino, R. Lauhakangas, T. Leszko, E. Lippmaa, J. Lippmaa, M. V. Lokajíček, L. Losurdo, M. Lo Vetere, F. Lucas Rodríguez, M. Macrí, T. Mäki, A. Mercadante, N. Minafra, S. Minutoli, F. Nemes, H. Niewiadomski, E. Oliveri, F. Oljemark, R. Orava, M. Oriunno, K. Österberg, P. Palazzi, Z. Peroutka, J. Procházka, M. Quinto, E. Radermacher, E. Radicioni, F. Ravotti, E. Robutti, L. Ropelewski, G. Ruggiero, H. Saarikko, A. Scribano, J. Smajek, W. Snoeys, J. Sziklai, C. Taylor, N. Turini, V. Vacek, J. Welti, J. Whitmore, P. Wyszkowski, K. Zielinski

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Precise knowledge of the beam optics at the LHC is crucial to fulfill the physics goals of the TOTEM experiment, where the kinematics of the scattered protons is reconstructed with near-beam telescopes-so-called Roman pots (RP). Before being detected, the protons trajectories are influenced by the magnetic fields of the accelerator lattice. Thus precise understanding of the proton transport is of key importance for the experiment. A novel method of optics evaluation is proposed which exploits kinematical distributions of elastically scattered protons observed in the RPs. Theoretical predictions, as well as Monte Carlo studies, show that the residual uncertainty of the optics estimation method is smaller than 2.5.

Original languageEnglish
Article number103041
JournalNew Journal of Physics
Volume16
DOIs
Publication statusPublished - Oct 28 2014

Keywords

  • LHC proton transport
  • Roman pot
  • TOTEM experiment
  • elastic scattering
  • optics reconstruction

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Antchev, G., Aspell, P., Atanassov, I., Avati, V., Baechler, J., Berardi, V., Berretti, M., Bossini, E., Bottigli, U., Bozzo, M., Brücken, E., Buzzo, A., Cafagna, F. S., Catanesi, M. G., Covault, C., Csanád, M., Csörgö, T., Deile, M., Doubek, M., ... Zielinski, K. (2014). LHC optics measurement with proton tracks detected by the Roman pots of the TOTEM experiment. New Journal of Physics, 16, [103041]. https://doi.org/10.1088/1367-2630/16/10/103041