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71 papers · 2 filters
Status of DUNE Offline Computing
Michael Kirby
We summarize the status of Deep Underground Neutrino Experiment (DUNE) Offline Software and Computing program. We describe plans for the computing infrastructure needed to acquire,…
Phase Trombone Design in the Beam Transfer line for the Project PIP-II at Fermilab
M. Xiao, F. Ostiguy, D. Johnson
PIP-II beam transfer line (BTL) to transport the beam from PIP-II Linac to the Booster ring at Fermilab. One crucial aspect of the BTL design involved the implementation of collima…
Magnetic Measurements and Alignment Results of LQXFA/B Cold Mass Assemblies at Fermilab
J. DiMarco, P. Akella, G. Ambrosio +10
MQXFA production series quadrupole magnets are being built for the Hi-Lumi (HL) LHC upgrade by the US Accelerator Upgrade Project (US-HL-LHC AUP). These magnets are being placed in…
Scheme for quantitative description of longitudinal drifts in the Fermilab Linac and their correction
Sheldon Rego, Ralitsa Sharankova, Alexander Shemyakin
The Fermilab Linac accepts the 0.75 MeV H- ions from the front end and accelerates them to 400 MeV for injection into the Booster. Day-to-day drifts of the longitudinal trajectory…
Bayesian Optimization Algorithms for Accelerator Physics
Ryan Roussel, Auralee L. Edelen, Tobias Boltz +23
Accelerator physics relies on numerical algorithms to solve optimization problems in online accelerator control and tasks such as experimental design and model calibration in simul…
Flow Induced Corrosion in 6061-T6 Aluminum Pipes in De-Ionized Water Environments
Abhishek Deshpande, Erik Voirin
Flow induced corrosion/erosion of 6061-T6 aluminum in de-ionized (DI) water environments has not been studied widely. Especially, the long-term effects of corrosion/erosion in seem…
Optimizing the tuning range of the Fermilab Recycler 53MHz RF cavities by exploiting the avoided crossing of the tuner and cavity modes
A. Roger, R. Ainsworth
The electromagnetic eigenmodes of the Fermilab Recycler RF cavities were simulated with ACE3P running on NERSC's 'Perlmutter' supercomputer in an attempt to optimize their tuning r…
Closed Loop Testing of Microphonics Algorithms Using a Cavity Emulator
S. Raman, P. Varghese, B. Chase +4
An analog crystal filter based cavity emulator is modified with reverse biased varactor diodes to provide a tuning range of around 160 Hz. The piezo drive voltage of the resonance…
PIII Project Overview and Status
R. Stanek, C. Boffo, S. Chandrasekaran +9
The Proton Improvement Plan II (PIP-II) project is an essential upgrade to Fermilab's particle accelerator complex to enable the world's most intense neutrino beam for LBNF/DUNE an…
Low Particulates Nitrogen Purge and Backfill During Prototype HB650 Cryomodule String Assembly
T. Ring, M. Quinlan, G. Wu
A low particulate vacuum and purging system was developed to support PIP-II cryomodule string assembly. The overpressure can be controlled at a precision of 1 mbar above the atmosp…
Experiments On Electron Cooling and Intense Space-charge at IOTA
N. Banerjee, G. Stancari, M. K. Bossard +3
The Integrable Optics Test Accelerator at Fermilab will explore beam dynamics in a ring with intense space-charge using 2.5 MeV proton beams with an incoherent tune shift approachi…
Wakefields In Superconducting RF Cavities and The Impact on VUV Free-electron Laser Oscillator Performance
Alex H. Lumpkin, Henry P. Freund, Matthias Reinsch +1
The Fermilab Accelerator Science and Technology (FAST) facility is currently in operation with its linac based on TESLA-type superconducting rf cavities. Using a 3-MHz micropulse r…
Status of the IOTA Proton Injector
D. Edstrom, A. Romanov, D. Broemmelsiek +5
The IOTA Proton Injector (IPI), currently under installation at the Fermilab Accelerator Science and Technology facility (FAST), is a machine capable of delivering 20 mA pulses of…
Transverse Emittance Reduction in Muon Beams by Ionization Cooling
The MICE Collaboration, M. Bogomilov, R. Tsenov +134
Accelerated muon beams have been considered for next-generation studies of high-energy lepton-antilepton collisions and neutrino oscillations. However, high-brightness muon beams h…
A Simulation of the Photoionization of H- Together with the Subsequent Tracking of the Liberated Electrons
R. Thurman-Keup, M. El Baz, V. Scarpine
The Proton Improvement Plan - II (PIP-II) is a new linear accelerator (LINAC) complex being built at Fermilab. It is based on superconducting radiofrequency cavities and will accel…
A Study of the Gain of Microchannel Plates in the Ionization Profile Monitors at Fermilab
R. Thurman-Keup, D. Slimmer, C. Lundberg +1
One of the on-going issues with the use of microchannel plates (MCP) in the ionization profile monitors (IPM) at Fermilab is the significant decrease in gain over time. There are s…
Fermilab Main Injector and Recycler Operations in the Megawatt Era
A. P. Schreckenberger
Significant upgrades to Fermilab's accelerator complex have accompanied the development of LBNF (the Long Baseline Neutrino Facility) and DUNE (Deep Underground Neutrino Experiment…
Progress on an Electron Beam Profile Monitor at the Fermilab Main Injector
R. Thurman-Keup, T. Folan, M. Mwaniki +1
The current program at Fermilab involves the construction of a new superconducting linear accelerator (LINAC) to replace the existing warm version. The new LINAC, together with oth…
Ultimate Colliders
Vladimir Shiltsev
Our understanding of the Universe critically depends on the fundamental knowledge of particles and fields, which represents a central endeavor of modern high-energy physics. Energy…
Uniform Distribution Technique for Neutrino Beam Scan Simulation
D. A. Wickremasinghe, S. Ganguly, K. Yonehara +3
In Fermilab's neutrino facilities such as the Neutrinos at the Main Injector (NuMI) and the upcoming Long Baseline Neutrino Facility (LBNF), a proton beam strikes high-power target…
Integration of a new Cryogenic Liquefier into the IB-1 Cryogenic Test Facility
Maria Barba, Benjamin Hansen, Michael White +10
The increase over the last years of the testing activities related to quantum systems, SRF cavities for the PIP-II and the LCLS-II projects, as well as superconducting magnets for…
Warm Compressor system Overview and status of the PIP-II cryogenic system
A Martinez, J Creus Prats, W Soyars +8
The Proton Improvement Plan-II (PIP-II) is a major upgrade to the Fermilab accelerator complex, featuring a new 800-MeV Superconducting Radio-Frequency (SRF) linear accelerator (Li…
Installation, commissioning, and testing of the HB650 CM at PIP2IT
M White, J Makara, S Ranpariya +10
The Proton Improvement Plan-II (PIP-II) is a major upgrade to the Fermilab accelerator complex, featuring a new 800-MeV Superconducting Radio-Frequency (SRF) linear accelerator (LI…
Accelerator Magnet Development Based on COMB Technology with STAR Wires
V. V. Kashikhin, S. Cohan, V. Lombardo +15
This paper reports progress in the development of COMB magnet technology with STAR wires. A two-layer dipole magnet with 60 mm clear bore has been recently fabricated and tested in…