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CERN Document Server 2,050 records found  1 - 10nextend  jump to record: Search took 0.73 seconds. 
1.
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Implications of the Upgrade II of LHCb on the LHC Insertion Region 8: From Energy Deposition Studies to Mitigation Strategies / Ciccotelli, Alessia (CERN ; U. Manchester (main)) ; Appleby, Robert B (U. Manchester (main)) ; Butin, Francois (CERN) ; Cerutti, Francesco (CERN) ; Esposito, Luigi Salvatore (CERN) ; Humann, Barbara (TU Vienna ; CERN) ; Wehrle, Maud (CERN)
Starting from LHC Run3, a first upgrade of the LHCb experiment (Upgrade I) will enable oeration with a significantly increased instantaneous luminosity in the LHC Insertion Region 8 (IR8), up to 2 $\cdot$ 10$^{33}$ cm$^{-2}$ s$^{-1}$. Moreover, the proposed second upgrade of the LHCb experiment (Upgrade II) aims at increasing it by an extra factor 7.5 (up to 1.5 $\cdot$ 10$^{34}$ cm$^{-2}$ s$^{-1}$, as of Run 5) and collecting an integrated luminosity of 400fb$^{-1}$ by the end of Run 6. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 1679-1682 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1679-1682
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2.
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Energy deposition studies for the Upgrade II of LHCb at the CERN Large Hadron Collider / Ciccotelli, Alessia (CERN ; U. Manchester (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Appleby, Robert B. (U. Manchester (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Cerutti, Francesco (CERN) ; Buffet, Kevin (CERN) ; Butin, Francois (CERN) ; Corti, Gloria (CERN) ; Esposito, Luigi Salvatore (CERN) ; Garcia Alia, Ruben (CERN) ; Karacson, Matthias (CERN) ; Lerner, Giuseppe (CERN) et al.
The Upgrade II of the LHCb experiment is proposed to be installed during the CERN Long Shutdown 4, aiming to operate LHCb at 1.5x$10^{34}cm^{-2}s^{-1}$ that is 75 times its design luminosity and reaching an integrated luminosity of about $400 fb^{-1}$ by the end of the High Luminosity LHC era. This increase of the data sample at LHCb is an unprecedented opportunity for heavy flavour physics measurements. [...]
arXiv:2310.08281.- 2024-06-01 - 17 p. - Published in : Phys. Rev. Accel. Beams 27 (2024) 061003 Fulltext: 2310.08281 - PDF; Publication - PDF;
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3.
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Comparison Between Run 2 TID Measurements and FLUKA Simulations in the CERN LHC Tunnel of the Atlas Insertion Region / Prelipcean, Daniel (CERN) ; Biłko, Kacper (CERN) ; Cerutti, Francesco (CERN) ; Ciccotelli, Alessia (CERN) ; Di Francesca, Diego (CERN) ; García Alía, Ruben (CERN) ; Humann, Barbara (CERN) ; Lerner, Giuseppe (CERN) ; Ricci, Daniel (CERN) ; Sabaté-Gilarte, Marta (CERN)
In this paper we present a systematic benchmark between the simulated and the measured data for the radiation monitors useful for Radiation to Electronics (R2E) studies at the Large Hadron Collider (LHC) at CERN. For this purpose, the radiation levels in the main LHC tunnel on the right side of the Interaction Point 1 (ATLAS detector) are simulated using the FLUKA Monte Carlo code and compared against Total Ionising Dose (TID) measurements performed with the Beam Loss Monitoring (BLM) system, and 180 m of Distributed Optical Fibre Radiation Sensor (DOFRS). [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 732-735 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.732-735
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4.
(74)
Energy deposition studies in the LHCb insertion region from the validation to a step into the Hilumi challenge / Ciccotelli, Alessia (Manchester U. ; CERN) ; Appleby, Robert B. (Manchester U.) ; Cerutti, Francesco (CERN) ; Bilko, Kacper (CERN) ; Esposito, Luigi Salvatore (CERN) ; Garcia Alia, Ruben (CERN) ; Lechner, Anton (CERN) ; Tsinganis, Andrea (CERN)
The LHCb (Large Hadron Collider beauty) experiment at CERN aims at achieving a significantly higher luminosity than originally planned by means of two major upgrades: the Upgrade I that took place during the Long Shutdown 2 (LS2) and the Upgrade II foreseen for LS4. [...]
arXiv:2205.15645. - 13 p.
Fulltext
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5.
(66)
Energy deposition studies for the LHCb insertion region of the CERN Large Hadron Collider / Ciccotelli, Alessia (Manchester U. ; CERN) ; Appleby, Robert B (Manchester U.) ; Cerutti, Francesco (CERN) ; Bilko, Kacper (CERN) ; Esposito, Luigi Salvatore (CERN) ; Garcia Alia, Ruben (CERN) ; Lechner, Anton (CERN) ; Tsinganis, Andrea (CERN)
The LHCb (Large Hadron Collider beauty) experiment at CERN LHC aims at achieving a significantly higher luminosity than originally planned by means of two major upgrades: the Upgrade I that took place during the Long Shutdown 2 (LS2) and the Upgrade II proposed for LS4. Such an increase in instantaneous and integrated luminosity with respect to the design values requires to reassess the radiation exposure of LHC magnets, cryogenics, and electronic equipment placed in the insertion region 8 (IR8) around LHCb. [...]
2023 - 14 p. - Published in : Phys. Rev. Accel. Beams 26 (2023) 061002 Fulltext: PDF;
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6.
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The FCCee Pre-Injector Complex / Craievich, Paolo (PSI, Villigen) ; Alharthi, Fahad (IJCLab, Orsay) ; Auchmann, Bernhard (PSI, Villigen) ; Bartmann, Wolfgang (CERN) ; Benedikt, Michael (CERN) ; Besana, Maria Ilaria (CERN) ; Bettoni, Simona (PSI, Villigen) ; Braun, Hans-Heinrich (PSI, Villigen) ; Calviani, Marco (CERN) ; Chaikovska, Iryna (IJCLab, Orsay) et al.
The international FCC study group published in 2019 a Conceptual Design Report for an electron-positron collider with a centre-of-mass energy from 90 to 365 GeV with a beam currents of up to 1.4 A per beam. The high beam current of this collider create challenging requirements on the injection chain and all aspects of the linac need to be carefully reconsidered and revisited, including the injection time structure. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2007-2010 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2007-2010
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7.
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Radiation Load Studies for Superconducting Dipole Magnets in a 10 TeV Muon Collider / Calzolari, Daniele (CERN) ; Carli, Christian (CERN) ; Humann, Barbara (CERN) ; Lechner, Anton (CERN) ; Lerner, Giuseppe (CERN) ; Salvat Pujol, Francesc (CERN) ; Schulte, Daniel (CERN) ; Skoufaris, Kyriacos (CERN)
Among the various future lepton colliders under study, muon colliders offer the prospect of reaching the highest collision energies. Despite the promising potential of a multi-TeV muon collider, the short lifetime of muons poses a severe technological challenge for the collider design. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 1671-1674 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1671-1674
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8.
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Radiation Load Studies for the FCC-ee Positron Source with a Superconducting Matching Device / Humann, Barbara (Vienna U. ; CERN) ; Auchmann, Bernhard (PSI, Villigen) ; Chaikovska, Iryna (IJCLab, Orsay) ; Kosse, Jaap (PSI, Villigen) ; Latina, Andrea (CERN) ; Lechner, Anton (CERN) ; Ogur, Salim (IJCLab, Orsay) ; Zhao, Yongke (CERN)
For an electron-positron collider like FCC-ee, the production of positrons plays a crucial role. One of the design options considered for the FCC-ee positron source employs a superconducting solenoid made of HTS coils as an adiabatic matching device. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2879-2882 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2879-2882
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9.
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Synchrotron Radiation Impact on the FCC-ee Arcs / Humann, Barbara (TU Vienna ; CERN) ; Cerutti, Francesco (CERN) ; Kersevan, Roberto (CERN)
Synchrotron radiation (SR) emitted by electron and positrons beams represents a major loss source in high energy circular colliders, such as the lepton version of the Future Circular Collider (FCC-ee) at CERN. In particular, for the operation mode at 182.5 GeV (above the top pair threshold), its spectrum makes it penetrate well beyond the vacuum chamber walls. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 1675-1678 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.1675-1678
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10.
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Optics constrains imposed by the injection in IR2 and IR8 / Brüning, Oliver Sim (CERN) ; Jeanneret, J B (CERN)
LHC-Project-Note-141.- Geneva : CERN, 1998 Fulltext: PDF;
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