Search Results - "de Portugal, J. Coello"

Detection of faulty beam position monitors using unsupervised learning by Fol, E., Tomás, R., Coello de Portugal, J., Franchetti, G.

“…Optics measurements at the LHC are mainly based on turn-by-turn signal from hundreds of beam position monitors (BPMs). Faulty BPMs produce erroneous signal…”
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New local optics measurements and correction techniques for the LHC and its luminosity upgrade by Coello de Portugal, J., Tomás, R., Hofer, M.

“…As the beams at the interaction points (IPs) of circular colliders are pushed toward smaller sizes, the correction of the magnetic field errors in…”
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LHC optics commissioning: A journey towards 1% optics control by Persson, T., Carlier, F., de Portugal, J. Coello, Valdivieso, A. Garcia-Tabares, Langner, A., Maclean, E. H., Malina, L., Skowronski, P., Salvant, B., Tomás, R., Bonilla, A. C. García

“…Since 2015 the LHC has been operating at 6.5 TeV. In 2016 the β -functions at the interaction points of ATLAS and CMS were squeezed to 0.4 m. This is below the…”
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Impact of flux jumps in future colliders by Coello de Portugal, J., Tomás, R., Fiscarelli, L., Gamba, D., Martino, M.

“…Type-II superconductors, like theNb3Snused in the new HL–LHC quadrupole triplet and 11 T dipoles or FCC dipoles, are known to show an unstable behavior during…”
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Achromatic telescopic squeezing scheme and by-products: From concept to validation by Fartoukh, S., Solfaroli, M., De Portugal, J. Coello, Mereghetti, A., Poyet, A., Wenninger, J.

“…The achromatic telescopic squeezing (ATS) scheme has brought an essential conceptual foundation to the HL-LHC project, making possible a strong and clean…”
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New approach to LHC optics commissioning for the nonlinear era by Maclean, E. H., Tomás, R., Carlier, F. S., Camillocci, M. S., Dilly, J. W., Coello de Portugal, J., Fol, E., Fuchsberger, K., Garcia-Tabares Valdivieso, A., Giovannozzi, M., Hofer, M., Malina, L., Persson, T. H. B., Skowronski, P. K., Wegscheider, A.

“…In 2017, optics commissioning strategy for low-β*operation of the CERN Large Hadron Collider (LHC) underwent a major revision. This was prompted by a need to…”
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Improving the precision of linear optics measurements based on turn-by-turn beam position monitor data after a pulsed excitation in lepton storage rings by Malina, L., Coello de Portugal, J., Persson, T., Skowroński, P. K., Tomás, R., Franchi, A., Liuzzo, S.

“…Beam optics control is of critical importance for machine performance and protection. Nowadays, turn-by-turn (TbT) beam position monitor (BPM) data are…”
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Utilizing the N beam position monitor method for turn-by-turn optics measurements by Langner, A., Benedetti, G., Carlà, M., Iriso, U., Martí, Z., de Portugal, J. Coello, Tomás, R.

“…The N beam position monitor method (N -BPM) which was recently developed for the LHC has significantly improved the precision of optics measurements that are…”
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