Paper |
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MPPP015 |
Operational Performance of a Bunch by Bunch Digital Damper in the Fermilab Main Injector
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1440 |
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- P. Adamson, P. Adamson
UCL, London
- B. Ashmanskas, G.W. Foster, S. U. Hansen, A. Marchionni, D.J. Nicklaus, A. Semenov, D. Wildman
Fermilab, Batavia, Illinois
- H. Kang
Stanford University, Stanford, Califormia
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We have implemented a transverse and longitudinal bunch by bunch digital damper system in the Fermilab Main Injector, using a single digital board for all 3 coordinates. The system has been commissioned over the last year, and is now operational in all MI cycles, damping beam bunched at both 53MHz and 2.5MHz. We describe the performance of this system both for collider operations and high-intensity running for the NuMI project.
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RPAT031 |
Beam Profile Measurement with Flying Wires at the Fermilab Recycler Ring
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2182 |
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- M. Hu, R. H. Carcagno, J. Krider, E. Lorman, A. Marchionni, Y.M.P. Pischalnikov, S. Pordes, D. Slimmer, J. Wilson, J.R. Zagel
Fermilab, Batavia, Illinois
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The Fermilab Recycler Ring is a high vacuum fixed energy antiproton storage ring with stochastic and electron cooling systems. Flying wires were installed at the Fermilab Recycler Ring for transverse beam profile measurement. The following note describes the system configuration, calibration and resolution of the flying wire system, as well as analysis of the transverse beam profile in the presence of both cooling systems.
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RPPT072 |
Ion Chamber Arrays for the NuMI Beam at Fermilab
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3892 |
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- D. Indurthy, R. Keisler, S.E. Kopp, S. Mendoza, Z. Pavlovich, M. Proga, R.M. Zwaska
The University of Texas at Austin, Austin, Texas
- M.B. Bishai, M. Diwan, B. Viren
BNL, Upton, Long Island, New York
- A.R. Erwin, H.P. Ping, C.V. Velissaris
UW-Madison/PD, Madison, Wisconsin
- D. Harris, A. Marchionni, G. Morfin
Fermilab, Batavia, Illinois
- J. McDonald, D. Naples, D. Northacker
University of Pittsburgh, Pittsburgh, Pennsylvania
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The NuMI beamline and the MINOS experiment will study at a long baseline the possible oscillation of muon neutrinos and provide a precision measurement of the oscillation parameters. Neutrinos are produced from charged pion decays, where the pions are produced from interaction of the 120 GeV FNAL Main Injector proton beam with a graphite target. Ion chamber arrays have been built to monitor the resulting muons from pion decays, as well as remnant hadrons at the end of the NuMI decay pipe. The arrays of ion chambers measure both the intensity and lateral profile of the muon and hadron beams, allowing studies of sytematics of the neutrino beam. We will describe the design, construction, and precise calibration of the ion chamber arrays. Initial data from commissioning of the beam line and experience from long-term operations will be presented.
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