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View article: Design of B2PF: A Large Aperture Nb-Ti Dipole Magnet for the Electron-Ion Collider
Design of B2PF: A Large Aperture Nb-Ti Dipole Magnet for the Electron-Ion Collider Open
Here, we present the initial design of the matching dipole B2PF, a large aperture cosine-theta magnet for the Electron-Ion Collider (EIC). First we share an optimized 2D magnet cross-section based on a double-layer design with Nb-Ti Ruther…
View article: High-Field Magnets for Future Hadron Colliders
High-Field Magnets for Future Hadron Colliders Open
Recent strategy updates by the international particle physics community have confirmed strong interest in a next-generation energy frontier collider after completion of the High-Luminosity LHC program and construction of a e + e − Higgs fa…
View article: First results of AUP Nb3Sn quadrupole horizontal tests
First results of AUP Nb3Sn quadrupole horizontal tests Open
The Large Hadron Collider will soon undergo an upgrade to increase its luminosity by a factor of ~10. A crucial part of this upgrade will be replacement of the NbTi final focus magnets with Nb3Sn magnets that achieve a ~50% increase in the…
View article: Progress on the design of the interaction region of the Electron-Ion Collider EIC
Progress on the design of the interaction region of the Electron-Ion Collider EIC Open
We present an update on the design of the Interaction Region (IR) for the the Electron Ion Collider (EIC) being built at Brookhaven National Laboratory (BNL). The EIC will collide high energy and highly polarized hadron and electron beams …
View article: Superconducting Magnet Technology for the IR Upgrade
Superconducting Magnet Technology for the IR Upgrade Open
In this section we present the magnet technology for the High Luminosity LHC. After a short review of the project targets and constraints, we discuss the main guidelines used to determine the technology, the field/gradients, the operationa…
View article: Current Status of the High Field Cable Test Facility at Fermilab
Current Status of the High Field Cable Test Facility at Fermilab Open
Fermi National Accelerator Laboratory (FNAL) and Lawrence Berkeley National Laboratory (LBNL) are collaborating to construct a new High Field Vertical Magnet Test Facility (HFVMTF) designed for testing superconducting cables in high magnet…
View article: Analysis of the MQXFA Low Beta Quadrupoles for HL-LHC after 50% magnet assembly complete +
Analysis of the MQXFA Low Beta Quadrupoles for HL-LHC after 50% magnet assembly complete + Open
The US HL-LHC Accelerator Upgrade Project (AUP) is fabricating the MQXFA magnets to be used in the Q1 and Q3 Inner Triplet elements of the High Luminosity LHC (HL-LHC). This is the first production of Nb3Sn magnets for a particle accelerat…
View article: Challenges and Lessons Learned From Fabrication, Testing, and Analysis of Eight MQXFA Low Beta Quadrupole Magnets for HL-LHC
Challenges and Lessons Learned From Fabrication, Testing, and Analysis of Eight MQXFA Low Beta Quadrupole Magnets for HL-LHC Open
By the end of October 2022, the US HL-LHC Accelerator Upgrade Project (AUP) had completed fabrication of ten MQXFA magnets and tested eight of them. The MQXFA magnets are the low-beta quadrupole magnets to be used in the Q1 and Q3 Inner Tr…
View article: The Challenges and Solutions of Meeting the Assembly Specifications for the 4.5 m Long MQXFA Magnets for the Hi-Luminosity LHC
The Challenges and Solutions of Meeting the Assembly Specifications for the 4.5 m Long MQXFA Magnets for the Hi-Luminosity LHC Open
The U.S. High-Luminosity LHC Accelerator Upgrade Project (HL-LHC AUP) has, in the recent years, developed assembly specifications for the 4.5 m long MQXFA magnets, which are 150 mm aperture high-field Nb3Sn low-β quadrupole magn…
View article: Computation of the Strain Induced Critical Current Reduction in the 16 T Nb<sub>3</sub>Sn Test Facility Dipole
Computation of the Strain Induced Critical Current Reduction in the 16 T Nb<sub>3</sub>Sn Test Facility Dipole Open
A test facility dipole is being developed at LBNL, targeting a 16 T field in a 144 mm wide aperture. The magnet uses a block design, with two double-pancake coils. In order to minimize motion under the large Lorentz forces, the coils are p…
View article: Status of the High Field Cable Test Facility at Fermilab
Status of the High Field Cable Test Facility at Fermilab Open
Fermi National Accelerator Laboratory (FNAL) and Lawrence Berkeley National Laboratory (LBNL) are building a new High Field Vertical Magnet Test Facility (HFVMTF) for testing superconducting cables in high magnetic field. The background ma…
View article: An Initial Look at the Magnetic Design of a 150 mm Aperture High-Temperature Superconducting Magnet With a Dipole Field of 8 to 10 T
An Initial Look at the Magnetic Design of a 150 mm Aperture High-Temperature Superconducting Magnet With a Dipole Field of 8 to 10 T Open
High-temperature superconducting REBa2 Cu3O7-$x$ (rebco) conductors have the potential to generate a high magnetic field over a broad temperature range. The corresponding accelerator magnet technology, stil…
View article: Accelerator Technology - Magnets
Accelerator Technology - Magnets Open
The performance of high energy colliders is strongly dependent on their magnet system: arc dipoles for energy reach, and interaction region quadrupoles for luminosity. As the HEP community explores its best options to enable future discove…
View article: Common Coil Dipole for High Field Magnet Design and R&D
Common Coil Dipole for High Field Magnet Design and R&D Open
The common coil geometry provides an alternate design to the conventional cosine theta dipoles. It allows a wider range of conductor and magnet technologies. It also facilitates a low-cost, rapid-turn-around design and R&D program. Recent …
View article: Development and demonstration of next generation technology for Nb_3Sn\n accelerator magnets with lower cost, improved performance uniformity, and\n higher operating point in the 12-14 T range
Development and demonstration of next generation technology for Nb_3Sn\n accelerator magnets with lower cost, improved performance uniformity, and\n higher operating point in the 12-14 T range Open
The scope of the proposal outlined in this white paper is the development and\ndemonstration of the technology needed for next generation of Nb_3Sn\naccelerator magnets in the 12-14 T range. The main goal is to cut magnet\ncold-mass cost b…
View article: Development and demonstration of next generation technology for Nb_3Sn accelerator magnets with lower cost, improved performance uniformity, and higher operating point in the 12-14 T range
Development and demonstration of next generation technology for Nb_3Sn accelerator magnets with lower cost, improved performance uniformity, and higher operating point in the 12-14 T range Open
The scope of the proposal outlined in this white paper is the development and demonstration of the technology needed for next generation of Nb_3Sn accelerator magnets in the 12-14 T range. The main goal is to cut magnet cold-mass cost by a…
View article: MQXFA Final Design Report
MQXFA Final Design Report Open
The MQXFA Quadrupole magnets will be installed in High Luminosity LHC to form the Q1 and Q3 inner triplet optical elements in front of the interaction points 1 (ATLAS) and 5 (CMS). A pair of MQXFA units is assembled in a stainless steel he…
View article: Engineering Design of a Large Aperture 15 T Cable Test Facility Dipole Magnet
Engineering Design of a Large Aperture 15 T Cable Test Facility Dipole Magnet Open
The Nb Sn based test facility dipole magnet (TFD), with a rectangular aperture of 100 × 150 mm, and an operation target bore field of 15 T at 1.9 K, is designed to provide a background dipole field for cables and inserts. The design of th…
View article: Field Quality of the 4.5-m-Long MQXFA Pre-Series Magnets for the HL-LHC Upgrade as Observed During Magnet Assembly
Field Quality of the 4.5-m-Long MQXFA Pre-Series Magnets for the HL-LHC Upgrade as Observed During Magnet Assembly Open
The U.S. High-Luminosity LHC Accelerator Upgrade Project (HL-LHC AUP) is developing MQXFA magnets, a series of 4.5 m long 150 mm aperture high-field Nb$_3$Sn quadrupole magnets for the HL-LHC upgrade at CERN. Five pre-series magnets, MQXFA…
View article: Final Development and test preparation of the first 3.7m long Nb3Sn quadrupole by LARP
Final Development and test preparation of the first 3.7m long Nb3Sn quadrupole by LARP Open
The test of the first LARP (LHC Accelerator Research Program) Long Quadrupole is a significant milestone toward the development of Nb{sub 3}Sn quadrupoles for LHC (Large Hadron Collider) Luminosity Upgrades. These 3.7-m long magnets, scale…
View article: High-Field Design Concept for Second Interaction Region of the Electron-Ion Collider
High-Field Design Concept for Second Interaction Region of the Electron-Ion Collider Open
Efficient realization of the scientific potential of the Electron Ion Collider (EIC) calls for addition of a future second Interaction Region (2nd IR) and a detector in the RHIC IR8 region after the EIC project completion. The second IR an…
View article: Design Options for the JLEIC Large Aperture IR Quadrupoles
Design Options for the JLEIC Large Aperture IR Quadrupoles Open
View article: Design and Construction of a High Field Cable Test Facility at Fermilab
Design and Construction of a High Field Cable Test Facility at Fermilab Open
Fermi National Accelerator Laboratory, together with Lawrence Berkeley National Laboratory, is building a new High Field Vertical Magnet Test Facility (HFVMTF) to be situated in the Magnet Test Facility at Fermilab. The HFVMTF is jointly f…
View article: Magnetic and Mechanical Analysis of a Large Aperture 15 T Cable Test Facility Dipole Magnet
Magnetic and Mechanical Analysis of a Large Aperture 15 T Cable Test Facility Dipole Magnet Open
The US Department of Energy (DOE) Office of Science (SC), is funding a large bore “Cable Test Facility Magnet” for testing advanced cables and inserts in high transverse field. This is a joint effort between the Office of High Energy Physi…
View article: 3D Mechanical Analysis of a Compact ${\text{Nb}}_{\text{3}}{\text{Sn}}$ IR Quadrupole for EIC
3D Mechanical Analysis of a Compact ${\text{Nb}}_{\text{3}}{\text{Sn}}$ IR Quadrupole for EIC Open
The Electron Ion Collider (EIC) will require large aperture quadrupole magnets for the Hadron beam in the insertion region. Key requirements include high field, compact size, and tight control of the fringe fields. A 120 mm aperture, 308.4…
View article: Test Results of the First Pre-Series Quadrupole Magnets for the LHC Hi-Lumi Upgrade
Test Results of the First Pre-Series Quadrupole Magnets for the LHC Hi-Lumi Upgrade Open
The future high luminosity (Hi-Lumi) upgrade of the Large Hadron Collider (LHC) at CERN will include eight (plus two spares) 10.2 m-long Cryo-assemblies which will be components of the triplets for two LHC insertion regions. Each cold mass…
View article: Progress on the Upgrade of EDIPO, a 15 T Large Aperture Dipole
Progress on the Upgrade of EDIPO, a 15 T Large Aperture Dipole Open
The upgraded magnet assembly of the EDIPO test facility aims at generating 15 T at 4.2 K and 85% of short sample limit in a large rectangular aperture and over a uniform field length of 1000 mm. During 2020 the design studies have concentr…
View article: Lessons Learned From the Prototypes of the MQXFA Low-Beta Quadrupoles for HL-LHC and Status of Production in the US
Lessons Learned From the Prototypes of the MQXFA Low-Beta Quadrupoles for HL-LHC and Status of Production in the US Open
With the successful test of the first two pre-series magnets the US HL-LHC Accelerator Upgrade Project has started production of the MQXFA magnets to be used in Q1/Q3 inner triplet elements of the HL-LHC. This good start comes after the te…
View article: Magnetic Field Measurements of First Pre-series Full-Length 4.2 m Quadrupole MQXFA03 Using PCB Rotating Coils for the Hi-Lumi LHC Project
Magnetic Field Measurements of First Pre-series Full-Length 4.2 m Quadrupole MQXFA03 Using PCB Rotating Coils for the Hi-Lumi LHC Project Open
The U.S. Hi-Lumi LHC Accelerator Upgrade Project (AUP) and CERN have joined efforts to develop high field quadrupoles for the Hi-Lumi LHC upgrade. The US national laboratories in the AUP project will deliver 10 magnets and each cryostat ha…
View article: The High Luminosity LHC interaction region magnets towards series production
The High Luminosity LHC interaction region magnets towards series production Open
The High Luminosity Large Hadron Collider (HL-LHC) is the new flagship project of CERN. First endorsed in 2013 and approved in 2016, HL-LHC is an upgrade of the accelerator aiming to increase by a factor of ten the statistics of the LHC co…