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View article: Future Circular Collider Feasibility Study Report
Future Circular Collider Feasibility Study Report Open
Volume 3 of the FCC Feasibility Report presents studies related to civil engineering, the development of a project implementation scenario, and environmental and sustainability aspects. The report details the iterative improvements made to…
View article: Future Circular Collider Feasibility Study Report: Volume 2, Accelerators, Technical Infrastructure and Safety
Future Circular Collider Feasibility Study Report: Volume 2, Accelerators, Technical Infrastructure and Safety Open
In response to the 2020 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) Feasibility Study was launched as an international collaboration hosted by CERN. This report describes the FCC integrated prog…
View article: Future Circular Collider Feasibility Study Report: Volume 3, Civil Engineering, Implementation and Sustainability
Future Circular Collider Feasibility Study Report: Volume 3, Civil Engineering, Implementation and Sustainability Open
Volume 3 of the FCC Feasibility Report presents studies related to civil engineering, the development of a project implementation scenario, and environmental and sustainability aspects. The report details the iterative improvements made to…
View article: Mitigating Losses of Superconducting Qubits Strongly Coupled to Defect Modes
Mitigating Losses of Superconducting Qubits Strongly Coupled to Defect Modes Open
The dominant contribution to the energy relaxation of state-of-the-art superconducting qubits is often attributed to their coupling to an ensemble of material defects which behave as two-level systems. These defects have varying microscopi…
View article: Beam from Injectors: The LHC Injectors Upgrade (LIU) Project
Beam from Injectors: The LHC Injectors Upgrade (LIU) Project Open
The LHC Injectors Upgrade (LIU) project aims at increasing the intensity and brightness in the LHC injectors in order to match the challenging requirements of the High-Luminosity LHC (HL-LHC) project, while ensuring high availability and r…
View article: First considerations on the supporting structures of FCC-ee booster and collider in the arc regions
First considerations on the supporting structures of FCC-ee booster and collider in the arc regions Open
In 2022, the FCC Feasibility Study management mandated a working group to analyse the best configuration of the FCC-ee tunnel in the arc regions, in view of the construction of a mock-up of the arc half-cell. One of the main and most chall…
View article: FCC-ee Arc Half-Cell: preliminary design & integration studies, with ideas for a mock-up
FCC-ee Arc Half-Cell: preliminary design & integration studies, with ideas for a mock-up Open
During 2022, a dedicated study was undertaken at CERN, together with the FCC Feasibility Study collaborators, to propose a robust configuration for the FCC-ee arc half-cell. The proposed layout considers integration aspects of the elements…
View article: FAIR data for prehistoric mining archaeology
FAIR data for prehistoric mining archaeology Open
View article: Design and Principles of Synchrotrons and Circular Colliders
Design and Principles of Synchrotrons and Circular Colliders Open
Lattice design in the context we will describe it here is the design and optimization of the principle elements—the lattice cells—of a circular accelerator, and it includes the dedicated variation of the accelerator elements (as for exampl…
View article: LHC Injectors Upgrade Project: Towards New Territory Beam Parameters
LHC Injectors Upgrade Project: Towards New Territory Beam Parameters Open
The LHC injectors Upgrade (LIU) project aims at increasing the intensity and brightness in the LHC injectors in order to match the challenging requirements of the High-Luminosity LHC (HL-LHC) project, while ensuring high availability and r…
View article: Alpine Copper II – Alpenkupfer II – Rame delle Alpi II – Ciuvre des Alpes II. New Results and Perspectives on Prehistoric Copper Production
Alpine Copper II – Alpenkupfer II – Rame delle Alpi II – Ciuvre des Alpes II. New Results and Perspectives on Prehistoric Copper Production Open
The exploitation of copper deposits in the mountainous areas of the Alps gained enormous economic importance particularly in the 2nd and 1st millennium B.C., as Alpine copper began to play a central role in the metal supply of Europe. This…
View article: High-Brightness Challenges for the Operation of the CERN Injector Complex
High-Brightness Challenges for the Operation of the CERN Injector Complex Open
CERN's LHC injectors are delivering high-brightness proton and ion beams for the Large Hadron Collider LHC. We review the present operation modes and beam performance, and highlight the limitations. We will then give an overview of the upg…
View article: Information Integration in a Mining Landscape
Information Integration in a Mining Landscape Open
The integration of information sources is a fundamental step to advance research and knowledge about the ancient mining landscape of Schwaz/Brixlegg in the Tyrol / Austria. The approach is applied for the localization, identification and i…
View article: DIGITAL WORKFLOWS FOR A 3D SEMANTIC REPRESENTATION OF AN ANCIENT MINING LANDSCAPE
DIGITAL WORKFLOWS FOR A 3D SEMANTIC REPRESENTATION OF AN ANCIENT MINING LANDSCAPE Open
The ancient mining landscape of Schwaz/Brixlegg in the Tyrol, Austria witnessed mining from prehistoric times to modern times creating a first order cultural landscape when it comes to one of the most important inventions in human history:…
View article: The LHC Injectors Upgrade (LIU) Project at CERN: Ion Injector Chain
The LHC Injectors Upgrade (LIU) Project at CERN: Ion Injector Chain Open
The LHC injector chain for Pb-ion beams at CERN consists of Linac3, the accumulator ring LEIR, the PS and the SPS. In the context of the LHC injectors upgrade (LIU) project an intense program of machine development studies has been perform…
View article: First Operational Experience of HIE-Isolde
First Operational Experience of HIE-Isolde Open
The High Intensity and Energy ISOLDE project (HIE-ISOLDE)* is a major upgrade of the ISOLDE facility at CERN. The energy range of the post-accelerator will be extended from 2.85 MeV/u to 9.3 MeV/u for beams with A/q = 4.5 (and to 14.3 MeV/…
View article: LHC Injectors Upgrade, Technical Design Report
LHC Injectors Upgrade, Technical Design Report Open
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View article: Beam Commissioning of the HIE-ISOLDE Post-Accelerator
Beam Commissioning of the HIE-ISOLDE Post-Accelerator Open
Phase 1a of the High Intensity and Energy ISOLDE (HIE-ISOLDE) project* was completed in 2015. The first cryomodule and two High Energy Beam Transfer lines (HEBT) were installed. In addition, many of the subsystems of the normal conducting …
View article: LHC Injectors Upgrade (LIU) Project at CERN
LHC Injectors Upgrade (LIU) Project at CERN Open
A massive improvement program of the LHC injector chain is presently being conducted under the LIU project. For the proton chain, this includes the replacement of Linac2 with Linac4 as well as all necessary upgrades to the Proton Synchrotr…
View article: A wet-tye from the Troiboden. Interdisciplinary research into Bronze Age mining in the Mitterberg (Salzburg, Austria)
A wet-tye from the Troiboden. Interdisciplinary research into Bronze Age mining in the Mitterberg (Salzburg, Austria) Open
Ein Nassaufbereitungskasten vom Troiboden. Interdisziplinäre Erforschung des bronzezeitlichen Montanwesens am Mitterberg (Land Salzburg, Österreich) Der Mitterberg zählt zu den wichtigsten Kupfererzrevieren der Bronzezeit Europas. 2008 und…
View article: Digital 3D Borobudur – Integration of 3D surveying and modeling techniques
Digital 3D Borobudur – Integration of 3D surveying and modeling techniques Open
The Borobudur temple (Indonesia) is one of the greatest Buddhist monuments in the world, now listed as an UNESCO World Heritage Site. The present state of the temple is the result of restorations after being exposed to natural disasters se…
View article: Historic photos and TLS data fusion for the 3D reconstruction of a monastery altar ensemble
Historic photos and TLS data fusion for the 3D reconstruction of a monastery altar ensemble Open
The basis of the photogrammetric reconstruction of the altar at the monastery / church are 2 historic photos from around 1920’s as well as a 3D documentation of the church from terrestrial laser scanning. The point cloud from the laser sca…
View article: Recovering prehistoric woodworking skills using spatial analysis techniques
Recovering prehistoric woodworking skills using spatial analysis techniques Open
Recovering of ancient woodworking skills can be achieved by the simultaneous documentation and analysis of the tangible evidences such as the geometry parameters of prehistoric hand tools or the fine morphological characteristics of well p…
View article: Pilot Bunch in the LHC Injector Chain
Pilot Bunch in the LHC Injector Chain Open
During the 2003 run pilot bunches have been accelerated through the whole injector chain and have been delivered for TT40 extraction tests. The basic machine settings (in PSB, PS and SPS) and the results obtained are reviewed.
View article: Status and Plans for the Upgrade of the CERN PS Booster
Status and Plans for the Upgrade of the CERN PS Booster Open
CERN’s Proton Synchrotron Booster (PSB) is undergoing a major upgrade program in the frame of the LHC Injectors Upgrade (LIU) project. During the first long LHC shutdown (LS1) some parts of the upgrade have already been implemented, and th…
View article: Induced Activation in the Future Charge-Exchange Injection System of the PS Booster
Induced Activation in the Future Charge-Exchange Injection System of the PS Booster Open
CERN’s Linac2 currently injects protons with a kinetic energy of 50 MeV into the PS Booster (PSB). Linac2 will be replaced by Linac4 which will inject H$^-$ ions with a kinetic energy of 160 MeV into the PSB. In order to enable the PSB for…
View article: LHC Injectors Complex Status
LHC Injectors Complex Status Open
We will present the status of the LHC proton and ion injector chain as of September 2014. We will briefly recap the main modifications done during LS1, in particular those which influence the LHC beam quality. Then we will review the first…
View article: Status of the LHC Injectors Upgrade (LIU) Project at CERN
Status of the LHC Injectors Upgrade (LIU) Project at CERN Open
CERN is currently carrying out an ambitious improvement programme of the full LHC Injectors chain in order to enable the delivery of beams with the challenging HL-LHC parameters. The LHC Injectors Upgrade project coordinates this massive u…