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Related papers: Electron Cloud Measurements in Fermilab Booster

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The enhancement of Er$^{3+}$-based up-conversion for photovoltaics in multilayer porous silicon photonic structures is considered theoretically and experimentally. Transfer matrix simulations are used to assess the increased photonic…

Optics · Physics 2012-09-06 Craig M. Johnson , Peter J. Reece , Gavin J. Conibeer

Fermilab has submitted two Snowmass whitepapers on a future 2.4~MW upgrade for DUNE/LBNF featuring a 2 GeV extension of the PIP-II linac and the construction of a new rapid-cycling-synchrotron. This paper summarizes the relationship between…

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 other planned improvements, is in support of proton beam…

Accelerator Physics · Physics 2023-10-03 R. Thurman-Keup , T. Folan , M. Mwaniki , S. Sas-Pawlik

In any hadron synchrotron, the half-integer resonance is among the strongest effects limiting the achievable maximum beam intensity. The heavy-ion superconducting synchrotron SIS100, currently under construction at GSI, should provide…

Accelerator Physics · Physics 2022-08-17 Dmitrii Rabusov , Adrian Oeftiger , Oliver Boine-Frankenheim

The potentially realizable beam power at the Fermilab long-baseline neutrino program has motivated a reinvigorated design and optimization effort for a rapid-cycling synchrotron (RCS) intensity upgrade of the Fermilab proton complex. We…

Accelerator Physics · Physics 2020-01-17 Jeffrey Eldred

The extraction bucket position in the Fermilab Booster is controlled with a cogging process that involves the comparison of the Booster RF count and the Recycler Ring revolution marker. A one RF bucket jitter in the extraction bucket…

Accelerator Physics · Physics 2017-09-22 K. Seiya , C. Drennan , W. Pellico , S. Chaurize

Expansion dynamics of single-species, non-neutral clouds, such as electron bunches used in ultrafast electron microscopy, show novel behavior due to high acceleration of particles in the cloud interior. This often leads to electron bunching…

Accelerator Physics · Physics 2018-08-01 Brandon Zerbe , Xukun Xiang , Chong-Yu Ruan , Steve Lund , Phil Duxbury

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 and a broad particle physics program for many decades to come.…

High-brightness electron beams provided by modern accelerators require several measures to preserve their high quality and to avoid instabilities. The mitigation of the impact of residual ions is one of these measures. It is particularly…

Accelerator Physics · Physics 2019-10-10 Gisela Pöplau , Atoosa Meseck , Fjodor Falkenstern , Michael Markert , Joachim Bartilla

During Nova operations it is planned to run the Fermilab Recycler in a 12 batch slip stacking mode. In preparation for this, measurements of the tune during a six batch injection and then as the beam is slipped by changing the RF frequency,…

Accelerator Physics · Physics 2013-02-01 D. J. Scott , D. Capista , I. Kourbanis , K. Seiya , M. -J. Yan

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 higher beam intensity of PIP-II may cause beam instability due to…

Accelerator Physics · Physics 2025-09-19 Dustin Pieper , Brian Vaughn , Robyn Madrak

The Fermilab Proton-Improvement-Plan-II (PIP-II) is being implemented in order to support the precision neutrino oscillation measurements at the Deep Underground Neutrino Experiment, the U.S. flagship neutrino experiment. The PIP-II LINAC…

Based on the idea of D. Gabor [1] space charge lenses are under investigation to be a powerful focussing device for intense ion beams. A stable confined electron column is used to provide strong radially symmetric electrostatic focussing,…

Accelerator Physics · Physics 2013-09-19 O. Meusel , M. Droba , B. Glaeser , K. Schulte

The Muon g-2 Experiment at Fermilab will measure the anomalous magnetic moment of the muon to a precision of 140 parts per billion, which is a factor of four improvement over the previous E821 measurement at Brookhaven. The experiment will…

Instrumentation and Detectors · Physics 2017-01-04 J. L. Holzbauer

This paper is a simulation based investigation of the effect of elastic collisions and effectively elastic-like excitation collisions between electrons and background neutrals on the dynamics of a cylindrically trapped electron cloud that…

Plasma Physics · Physics 2016-11-23 Meghraj Sengupta , Rajaraman Ganesh

On-line monitoring of beam quality for high brightness beams is only possible using non-invasive instruments. For matching measurements, very few such instruments are available. One candidate is a quadrupole pick-up. Therefore, a new type…

Accelerator Physics · Physics 2009-11-07 Andreas Jansson

Electron cloud effects had been studied at KEK-Photon Factory since 1995. e-p instability had been studied in proton rings since 1965 in BINP, ISR and PSR. Study of electron cloud effects with the present style, which was based on numerical…

Accelerator Physics · Physics 2013-09-19 K. Ohmi

The long proton beams present at CERN have the potential to evolve into a train of microbunches through the self-modulation instability process. The resonant wakefield generated by a periodic train of proton microbunches can establish a…

Accelerator Physics · Physics 2024-05-01 Hossein Saberi , Guoxing Xia , Linbo Liang , John Patrick Farmer , Alexander Pukhov

The planned neutrino program at Fermilab requires large proton beam intensities in excess of 2 MW. Measuring the transverse profiles of these high intensity beams is challenging and often depends on non-invasive techniques. One such…

Accelerator Physics · Physics 2018-03-06 R. Thurman-Keup , M. Alvarez , J. Fitzgerald , C. Lundberg , P. Prieto , J. Zagel , W. Blokland

The use of transverse electric (TE) waves has proved to be a powerful, noninvasive method for estimating the densities of electron clouds formed in particle accelerators. Results from the plasma simulation program VORPAL have been a useful…

Accelerator Physics · Physics 2015-06-18 Kiran G. Sonnad , Kenneth Hammond , Robert Schwartz , Seth Veitzer