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40 papers · 2 filters
Bridging the Gap Between Modern UX Design and Particle Accelerator Control Room Interfaces
Rachael Hill, Casey Kovesdi, Torrey Mortenson +3
Accelerator control systems often represent relatively complex and safety-sensitive human-machine interfaces within process control industries. These systems are technically robust…
Time Served
Evan Milton, Mark Austin, Dan McArthur
The following document provides a comprehensive look into the past, present, and future of Timing at Fermilab. By including historical context with technical implementation, this d…
Proton Dynamics Scenarios in the Integrable Optics Test Accelerator (IOTA) at Fermilab
N. Banerjee, A. Romanov, G. Stancari +1
The Integrable Optics Test Accelerator (IOTA) at Fermilab provides a versatile platform for studying the interplay of space-charge, impedance, and non-linear optics in high-intensi…
Observation of Electromagnetic Transients in a Nb3Sn 4-layer Dipole Mirror Magnet
Steven Krave, Maria Baldini, Igor Novitski
During testing of the Stress Managed Cosine-Theta dipole mirror magnet SMCTM1, magnet quenches were observed following large voltage spikes in the half-coil voltage taps which prec…
Mechanical Design of the PIP-II ORBUMP Pulsed Dipole Magnet
D. Karas, K. Badgley, Z. Chen +9
The Proton Improvement Plan II (PIP-II) project is a vital upgrade to the Fermilab accelerator complex. The magnet pulse rate of the PIP-II Injection system requires an increase fr…
Field Emission Analysis in SRF Cavities for PIP-II Using GEANT4
S. A. K. Wijethunga, A. Sukhanov, O. Napoly +1
Field emission (FE) remains a significant hurdle for achieving optimal performance and reliability in super-conducting radiofrequency (SRF) cavities used in accelerator cryomodules…
Redis-Based Streaming Architecture for Accelerator Beam Instrumentation DAQ Systems
S. Joshi, D. Steinkamp
The Fermilab Acceleraor Division, Beam Instrumentation Department, is always adopting modern and current software methodologies for complex DAQ architectures. This paper highlights…
Concepts Rookie Book
Dennis Barak, Beau F. Harrison, Adam Watts
This book begins with the basic accelerator knowledge required to understand the latter chapters. This is followed by topics from Fermilab accelerator specifics to general accelera…
Compensating for Amplifier Non-Linearity in a SEL Controller
S. Raman, P. Varghese, L. Reyes +4
The Self-Excited Loop (SEL) architecture, used in some continuous-wave (CW) superconducting linacs, relies on a positive feedback mechanism that requires carefully defined operatin…
Status of the MARS code
Igor Rakhno, Igor Tropint, Dali Georgobiani +1
This report describes major features of the most recent version of the MARS code as well as ongoing developments. The list of features includes various options for geometry models,…
Superconducting Low-beta NbSn Cavity for ATLAS and Future Ion Accelerators
T. Petersen, G. Eremeev, B. Tennis +13
We report on a NbSn-coated low-beta superconducting radio frequency (SRF) cavity intended for accelerating ions. We aim to apply the cavity in ATLAS, our Argonne National Labor…
Integration and commissioning plan of Full Flow Purifier at Muon Campus
J. Subedi, T. Tope, B. Hansen +5
The Full Flow Purifier for Fermilab's Muon Campus uses a charcoal bed surrounded by a liquid nitrogen jacket to purify up to 240 g/s of helium gas. Fabrication by Ability Engineeri…
Development of BPM electronics for PIP-II at Fermilab
Shengli Liu, Nathan Eddy, A. Semenov +1
This paper presents the uTCA4.0-based BPM electronics for PIP-II, featuring four 250 MSPS ADCs and a Xilinx UltraScale+ MPSoC FPGA with 10 GbE uplink. Design elements include signa…
Fermilab PIP-II CDS and CM Cryogenic Controls System
Pratik Patel, Ram Dhuley, Ahmed Faraj +4
Details on Final design for Cryogenic Electrical & Controls System for Fermilab' s next-gen particle accelerator PIP-II. Electrical Controls System includes instrumentation and con…
Fabrication of the HFVMTF Double-Bath Cryostat
R Bruce, V Nikolic, T Tope +4
The High Field Vertical Magnet Test Facility (HFVMTF) at Fermilab is designed to test superconducting magnets up to 20 tons and 1.3 meters in diameter. Central to the facility is a…
Advancing 1D thermo-hydraulic tools for large cryogenic facilities
R Beckwith, R Bruce, S Koshelev
The Cryogenic Division at Fermilab develops large-scale cryogenic systems for particle accelerators and superconducting magnet test facilities. To support design and diagnostics, a…
Performance Enhancement of Medium-Temperature Baked Niobium SRF Cavity by Surface Contamination Removal
V. Chouhan, D. Bice, A. Cravatta +5
Medium temperature (mid-T) baking, typically conducted at 300 350 C, enhances the quality factor of niobium (Nb) superconducting radio frequency cavities. High vacuum furnace bakin…
Consideration of REBCO rapid-cycling diploe magnet for staged muon acceleration
Henryk Piekarz
A possible application of the HTS (ReBCO) rapid-cycling dipole magnet [1] in the first stages of muon acceleration consisting of Recirculating Linear Accelerator (RLA) and followed…
Booster Cavity Damper Redesign for PIP-II
Dustin Pieper, Brian Vaughn, Robyn Madrak
A new Higher Order Mode (HOM) damper was designed and tested for the Booster accelerator cavity at Fermilab. In anticipation of the PIP-II upgrade, it was discovered that the highe…
Time-of-flight Energy Measurements with BPMs
A. Shemyakin, J. Kuharik, R. Sharankova
The energy of a bunched non-relativistic ion beam can be deduced from measuring the beam phases in neighbouring Beam Position Monitors (BPMs). This report discusses implementation…
Measuring Orbit Responses with Oscillating Trajectories in the Fermilab Linac
A. Shemyakin, A. Pathak, R. Sharankova
Recording changes in beam transverse positions re-ported by Beam Position Monitors (BPMs) in response to a beam deflection by an upstream dipole corrector (orbit response) is a pow…
Optics Reconstruction in the SCL Section of the FNAL Linac
J. -P. Carneiro, E. Chen, A. Pathak +2
The Side-Coupled Linac (SCL) section of the FNAL linac accelerates the beam from 117 MeV to 401.5 MeV, operating at 22-24 mA beam current. Transverse focusing is performed by 32 qu…
Measurements of the Beam Longitudinal Properties in the Fermilab Linac
R. Sharankova, J-P. Carneiro, E. Chen +1
The Fermilab Linac delivers 400MeV, 25mA H; beam. The longitudinal bunch parameters are reconstructed using a Bunch Shape Monitor (BSM) installed in the middle of the Linac. Fo…
The 2025 Roadmaps for the US Magnet Development Program
Lance Cooley, Paolo Ferracin, Steve Gourlay +21
The US Physics community completed the Snowmass planning process in 2022, culminating in the HEPAP Particle Physics Project Prioritization Panel (P5) publishing its summary report…