18.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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22 papers · 2 filters
Designing a Magnetic Measurement Data Acquisition and Control System with Reuse in Mind: A Rotating Coil System Example
J. M. Nogiec, P. Akella, G. Chlachidze +5
Accelerator magnet test facilities frequently need to measure different magnets on differently equipped test stands and with different instrumentation. Designing a modular and high…
Magnetic Measurements of HL-LHC AUP Cryo-Assemblies at Fermilab
J. DiMarco, P. Akella, G. Ambrosio +13
LQXFA/B production series cryogenic assemblies are being built for the LHC upgrade by the HL-LHC Accelerator Upgrade Project (AUP). These contain a pair of MQXFA quadrupole magnets…
Motivation and Development of a Compact Superconducting Accelerator for X-ray Medical Device Sterilization
Thomas K. Kroc
Fermilab is developing a compact superconducting CSRF accelerator as a source of a high-power, high-energy electron beam to produce an x-ray beam comparable to 2 MCi of coba…
Submacropulse electron-beam dynamics correlated with higher-order modes in a Tesla-type cryomodule
A. H. Lumpkin, R. Thurman-Keup, D. Edstrom +7
Experiments were performed at the Fermilab Accelerator Science and Technology (FAST) facility to elucidate the effects of long-range wakefields (LRWs) in TESLA-type superconducting…
Record High Ramping Rates in HTS Based Super-conducting Accelerator Magnet
Henryk Piekarz, Steven Hays, Bradley Claypool +2
We report results of the experimental test of the High Temperature Superconductor based fast cycling prototype accelerator magnet capable to operate up to about 300 Tesla per secon…
Q-factor optimization for high-beta 650 MHz cavities for PIP-II
M. Martinello, D. J. Bice, C. Boffo +8
High Q-factors are of utmost importance to minimize losses of superconducting radio-frequency cavities deployed in continuous wave particle accelerators. This study elucidates the…
Coupled Bunch Instabilities Growth in the Fermilab Booster during Acceleration Cycle
C. M. Bhat, N. Eddy
Currently, Fermilab Booster accelerates ~4.5E12 protons per pulse (ppp) in 81 bunches from 400 MeV to 8 GeV at 15 Hz to provide beam to multiple HEP experiments and is being upgrad…
Recent Improvements in the Beam Capture at Fermilab Booster for High Intensity Operation
C. M. Bhat†, S. J. Chaurize, P. Derwent +7
The Fermilab Booster uses multi-turn beam injection with all its cavities phased such that beam sees a net zero RF voltage even when each station is at the same maxi-mum voltage. D…
Photoinjector Generation of High-Charge Magnetized Beams for Electron-Cooling Applications
A. Fetterman, D. Mihalcea, S. Benson +6
Electron-cooling offers a relatively simple scheme to enable high-luminosity collisions in future electron-ion and hadron colliders. Contemplated TeV-energy hadron colliders requir…
On the Phase Grouping Mechanism for a Magnetron Coherent Oscillation
G. Kazakevich, R. P. Johnson, V. Yakovlev
CW magnetrons, developed for industrial heaters, but driven by an injection-locking signal were suggested to power Superconducting RF (SRF) cavities due to higher efficiency and lo…
Simulations of Future Particle Accelerators: Issues and Mitigations
D. Sagan, M. Berz, N. M. Cook +15
The ever increasing demands placed upon machine performance have resulted in the need for more comprehensive particle accelerator modeling. Computer simulations are key to the succ…
Development of a cryocooler conduction-cooled 650 MHz SRF cavity operating at ~10 MV/m cw accelerating gradient
R. C. Dhuley, S. Posen, M. I. Geelhoed +1
SRF cavities for particle acceleration are conventionally operated immersed in a bath of liquid helium at 4.2 K and below. Although this cooling configuration is practically and ec…
Introduction to Special Relativity
Eliana Gianfelice-Wendt
The goal of this lecture is to introduce the student to the theory of Special Relativity. Not to overload the content with mathematics, the author will stick to the simplest cases;…
Extracting Dynamical Frequencies from Invariants of Motion in Finite-Dimensional Nonlinear Integrable Systems
Chad E. Mitchell, Robert D. Ryne, Kilean Hwang +2
Integrable dynamical systems play an important role in many areas of science, including accelerator and plasma physics. An integrable dynamical system with degrees of freedom (…
Performance of the MICE diagnostic system
The MICE collaboration, M. Bogomilov, R. Tsenov +135
Muon beams of low emittance provide the basis for the intense, well-characterised neutrino beams of a neutrino factory and for multi-TeV lepton-antilepton collisions at a muon coll…
Advanced assessment of Beam Induced Background at a Muon Collider
Francesco Collamati, Camilla Curatolo, Donatella Lucchesi +4
Renewed international interest in muon colliders motivates the continued investigation of the impacts of beam-induced background on detector performance. This continues the effort…
Beam dynamics corrections to the Run-1 measurement of the muon anomalous magnetic moment at Fermilab
T. Albahri, A. Anastasi, K. Badgley +174
This paper presents the beam dynamics systematic corrections and their uncertainties for the Run-1 data set of the Fermilab Muon g-2 Experiment. Two corrections to the measured muo…
Comment on "Fast-slow mode coupling instability for coasting beams in the presence of detuning impedance"
Alexey Burov, Valeri Lebedev
In this comment we show untenability of key points of the recent article of N. Biancacci, E. Metral and M. Migliorati [Phys. Rev. Accel. Beams 23, 124402 (2020)], hereafter the Art…
Accelerator Real-time Edge AI for Distributed Systems (READS) Proposal
K. Seiya, K. J. Hazelwood, M. A. Ibrahim +7
Our objective will be to integrate ML into Fermilab accelerator operations and furthermore provide an accessible framework which can also be used by a broad range of other accelera…
Signatures of Enhanced Superconducting Properties in Niobium Cavities
D. Bafia, A. Grassellino, M. Checchin +2
Superconducting radio-frequency (SRF) niobium cavities are critical for modern particle accelerators, as well as for advancing superconducting quantum systems and enabling ultra-se…
Longitudinal Modes of Bunched Beams with Weak Space Charge
Alexey Burov
Longitudinal collective modes of a bunched beam with a repulsive inductive impedance (the space charge below transition or the chamber inductance above it) are analytically describ…
Solid-state Tube Wakefield Accelerator using Surface Waves in Crystals
Aakash A. Sahai, Toshiki Tajima, Peter Taborek +1
Solid-state or crystal acceleration has for long been regarded as an attractive frontier in advanced particle acceleration. However, experimental investigations of solid-state acce…