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CERN Document Server 2,049 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.93 წამი. 
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Operational performance of crystal collimation with 6.37 $Z$ TeV Pb ion beams at the LHC / D'Andrea, M (CERN) ; Aberle, O (CERN) ; Bruce, R (CERN) ; Butcher, M (CERN) ; Di Castro, M (CERN) ; Cai, R (CERN) ; Lamas, I (CERN) ; Masi, A (CERN) ; Mirarchi, D (CERN) ; Redaelli, S (CERN) et al.
The concept of crystal collimation relies on the use of bent crystals to coherently deflect positively charged particles with suitable impact conditions by trapping them in the potential well generated by adjacent crystalline planes. The resulting deflection is much higher than what can be achieved by multiple scattering on amorphous materials. [...]
2024 - 16 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 011002 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Machine learning based crystal collimator alignment optimization / Ricci, Gianmarco (CERN) ; D'Andrea, Marco (CERN) ; Di Castro, Mario (CERN) ; Matheson, Eloise (CERN) ; Mirarchi, Daniele (CERN) ; Mostacci, Andrea (CERN) ; Redaelli, Stefano (CERN)
In the CERN Large Hadron Collider (LHC), bent crystals are used to efficiently deflect beam halo particles toward secondary collimators used as absorbers. In this crystal collimation scheme, a crystal with a length of a few millimeters can produce a deflection equivalent to a magnetic field of hundreds of Tesla at LHC top energies, improving the cleaning performance of the machine. [...]
2024 - 8 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 093001 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Crystal Collimation of 20 MJ Heavy-Ion Beams at the HL-LHC / D'Andrea, Marco (CERN) ; Bruce, Roderik (CERN) ; Di Castro, Mario (CERN) ; Galluccio, Francesca (INFN, Naples) ; Lamas Garcia, Inigo (CERN) ; Masi, Alessandro (CERN) ; Mirarchi, Daniele (CERN) ; Nevay, Laurence (Royal Holloway, U. of London ; CERN) ; Redaelli, Stefano (CERN) ; Rossi, Roberto (CERN) et al.
The concept of crystal collimation at the Large Hadron Collider (LHC) relies on the use of bent crystals that can deflect halo particles by a much larger angle than the standard multi-stage collimation system. Following an extensive campaign of studies and performance validations, a number of crystal collimation tests with Pb ion beams were performed in 2018 at energies up to 6.37 Z TeV. [...]
2021 - 4 p. - Published in : 10.18429/JACoW-IPAC2021-WEPAB023 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, Br, 24 - 28 May 2021, pp.2644-2647
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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The UA9 setup for the double-crystal experiment in CERN-SPS / CERN UA 009 collaboration
Experiments to measure the electric and the magnetic moments of short-lived baryons using an internal target and two bent crystals in the vicinity of one of the existing LHC detectors were recently proposed, in the frame of the Physics Beyond Colliders Working Group at CERN. Investigating fixed-target physics in the LHC with in-vacuum solid targets is an unprecedented challenge. [...]
CERN-PBC-Notes-2021-022.- 2020 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 975 (2020) 164175
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Beam merging assisted by a bent crystal / Scandale, W (Imperial Coll., London ; INFN, Rome) ; Cerutti, F (CERN) ; Esposito, L S (CERN) ; Gilardoni, S (CERN) ; Losito, R (CERN) ; Smirnov, G I (CERN) ; Giribono, A (Frascati) ; Bauce, M (INFN, Rome) ; Collamati, F (INFN, Rome) ; Valente, P (INFN, Rome) et al.
Bunch merging is a well-established technique to increase the intensity of synchrotrons and the luminosity of circular colliders. We suggest to exploit a combination of channeling, volume reflection and amorphous interactions in a bent crystal for beam merging in a transfer line. [...]
2023 - 6 p. - Published in : Eur. Phys. J. Plus 138 (2023) 981 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Reducing Beam-Related Background on Forward Physics Detectors Using Crystal Collimation at the Large Hadron Collider / Mirarchi, D (Manchester U. ; CERN) ; Avati, V (AGH-UST, Cracow ; CERN) ; Bruce, R (CERN) ; Butcher, M (CERN) ; D'Andrea, M (CERN ; U. Padua (main)) ; Di Castro, M (CERN) ; Deile, M (CERN) ; Dziedzic, B (Cracow, INP) ; Hiller, K (DESY) ; Jakobsen, S (CERN) et al.
Beam collimation in high-energy colliders is customarily carried out by means of massive amorphous absorbers surrounding the circulating beam. Several studies were performed in the last decades to establish an innovative collimation technique that relies on particle deflection by means of channeling between crystalline planes of a bent crystal. [...]
2020 - 20 p. - Published in : Phys. Rev. Applied 14 (2020) 064066 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Chapter 30: Crystal Collimation of Heavy-Ion Beams / Redaelli, S (CERN) ; Bruce, R (CERN) ; D’Andrea, M (CERN) ; Mirarchi, D (CERN) ; Rossi, R (CERN)
Crystal collimation is an advanced technique where a silicon crystal, only a few millimeters long and bent to a curvature of about 50 μrad, coherently deflects the beam halo onto a collimator absorber. This technique can improve beam collimation in the HL-LHC. [...]
2024 - 11 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 603-613 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.603-613
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Applications of Crystal Collimation to the CERN Large Hadron Collider (LHC) and its High Luminosity Upgrade Project (HL-LHC) / D'Andrea, Marco
Charged particles interacting with materials with a highly ordered structure can experience a variety of coherent processes, among which crystal channeling is of particular interest to applications to high-energy colliders [...]
CERN-THESIS-2021-022 - 144 p.

დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Evaluation of Power Deposition in HL-LHC with Crystal-assisted Heavy Ion Collimation / Rodin, Volodymyr (CERN) ; Bruce, Roderik (CERN) ; Cai, Rongrong (CERN) ; D'Andrea, Marco (CERN) ; Esposito, Luigi Salvatore (CERN) ; Lechner, Anton (CERN) ; Potoine, Jean-Baptiste (CERN) ; Redaelli, Stefano (CERN) ; Schoofs, Philippe (CERN)
The future LHC heavy-ion program, utilizing 208Pb⁸²⁺ beams at up to 7 Z TeV, is anticipated to operate with substantial intensity upgrade. During periods of short beam lifetime, a potential performance limitation may arise from secondary ions produced by electromagnetic dissociation and hadronic fragmentation in the collimators of the betatron cleaning insertion. [...]
2024 - 5 p. - Published in : JACoW HB 2023 (2024) 236-240 Fulltext: PDF;
In : 68th ICFA Advanced Beam Dynamics workshop on high-Intensity and High-Brightness Hadron Beams (HB 2023), CERN, Geneva, Switzerland, 9 - 13 Oct 2023, pp.236-240
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
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Power deposition studies for standard and crystal-assisted heavy ion collimation in the CERN Large Hadron Collider / Potoine, J.B. (Montpellier U. ; CERN) ; Bruce, R. (CERN) ; Cai, R. (CERN ; Ecole Polytechnique, Lausanne) ; Cerutti, F. (CERN) ; D'Andrea, M. (CERN) ; Esposito, L. (CERN) ; Hermes, P.D. (CERN) ; Lechner, A. (CERN) ; Mirarchi, D. (CERN) ; Redaelli, S. (CERN) et al.
The LHC heavy-ion program with $^{208}$Pb$^{82+}$ beams will benefit from a significant increase of the beam intensity when entering its High-Luminosity era in Run~3 (2023). The stored energy is expected to surpass 20~MJ per beam. [...]
arXiv:2304.03628.- 2023-09-01 - 24 p. - Published in : Phys. Rev. Accel. Beams 26 (2023) 093001 Fulltext: 2304.03628 - PDF; Publication - PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები

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