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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13 papers · 2 filters
Turn-by-turn Tune Analysis Using Adaptive BPM Ensembles in the Fermilab Mu2e Delivery Ring*
D. Steinkamp
The Mu2e experiment at Fermilab requires stable resonant slow extraction from the Delivery Ring, making reliable tune monitoring an important operational diagnostic. This work inve…
Higher-order space-charge stability in anisotropic beams: Vlasov-Poisson derivation, refined dispersion relations, and stability charts
Abhishek Pathak
The Hofmann stability chart is used to screen working points in space-charge-dominated linacs. We identify two errors in its published higher-order dispersion relations: missing $(…
The Ponderomotive Effects of Narrow-band, Superconducting Resonators in Open and Closed Loop
Jacob Brown, Alexander Sukhanov, Crispin Contreras-Martinez +6
In this work, we present measurements of ponderomotive instabilities in narrow-band, coaxial resonators in open and closed control loop systems. We show an analytical scheme we wil…
Using Chromaticity to Suppress Instabilities at Transition
M. A. Balcewicz, J. Eldred
For many synchrotrons which cross transition, a high intensity threshold has been identified beyond which significant beam losses are observed. These losses are due to a high…
Diagnosing Ghost Bunches with the Upstream Extinction Monitor in the Mu2e Experiment
R. Hensley, E. Prebys, A. Gaponenko
The Mu2e experiment has a stringent requirement for extinction of the pulsed proton beam, referring to the elimination of particles between proton bunches to a relative level of 10…
Dispersion Suppression for Wedge-Based Final Cooling at a 10 TeV Muon Collider
Inci Karaaslan, Karri DiPetrillo, David Neuffer +2
Achieving a luminosity of in a Muon Collider, given the short lifetime of a muon, requires reducing the 6D emittance of the muon…
Slow Extraction Beam Commissioning for the Mu2e Experiment at Fermilab
V. Nagaslaev, G. Annala, J. Berlioz +7
Following the successful completion of the Muon g-2 experiment run at Fermilab, the Muon Campus facility has been reconfigured from delivering 3 GeV muon beams to the g-2 storage r…
Accelerator Upgrades Required for Beam Operation at Fermilab in the PIP-II/DUNE Era
S. Krishnagopal, M. Convery, J. Dey
The Proton Improvement Plan - II (PIP-II) injector linac is an 800 MeV superconducting H linac, christened Linac2, that will replace the existing 400 MeV injector to the accele…
Critical transverse compressive stresses of straight and bent CORC wires with and without impregnation
X. Xu, F. Wan, S. Cohan +1
CORC wires are a promising superconductor for accelerator magnet applications. While their excellent uniaxial tensile properties have been well established, potential d…
Improving the performance of mid-T baked niobium cavities through post-bake surface treatment
V. Chouhan, D. Bice, A. Cravatta +7
The Medium temperature (mid-T) baking of niobium superconducting radio-frequency cavities at 300 350  C in a vacuum furnace is known to enhance the quality factor (Q₀).…
Heat load measurements for the PIP-II pHB650 cryomodule
D. Porwisiak, M. J. White, V. Roger +11
Phase-3 testing of the pHB650 cryomodule at the PIP-II Injector Test Facility was conducted to evaluate the effectiveness of heat load mitigations performed after earlier phases of…
Detection of high-frequency gravitational waves using SRF cavities
M. Wenskat, B. Giaccone, J. Branlard +21
Today, apart from some isolated R&D efforts, there are no gravitational wave (GW) experiments, yet which explore a large part of the vast frequency range above the LIGO/Virgo band.…
Development of Design for the STS Extraction Magnet System
V. Chernenok, S. Cheban, D. J Harding +5
The Oak Ridge National Laboratory STS Project will enhance the Spallation Neutron Source by adding a new neutron source. The upgrade includes a 30% increase in beam energy and a 50…