| Paper |
Title |
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| MOPA18 |
Residual Dose and Environmental Monitoring for the Fermilab Main Injector Tunnel Using the Data Acquisition Logging Engine (Dale) |
87 |
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- N. Chelidze, R. Ainsworth, B.C. Brown, D. Capista, K.J. Hazelwood, D.K. Morris, M.J. Murphy
Fermilab, Batavia, Illinois, USA
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Funding: Fermi National Accelerator Laboratory
The Recycler and the Main Injector are part of the Fermilab Accelerator complex used to deliver proton beam to the different experiments. It is very important to control and minimize losses in both machines during operation, to reduce personnel dose from residual activation and to preserve component lifetime. To minimize losses, we need to identify the loss points and adjust the components accordingly. The Data Acquisition Loss Engine (DALE) platform has been developed within the Main Injector department and upgraded throughout the years. DALE is used to survey the entire enclosure for residual dose rates and environmental readings when unrestricted access to the enclosure is possible. Currently DALE has two radiation meters, which are aligned along each machine, so loss points can be identified for both at the same time. DALE attaches to the enclosure carts and is continuously in motion monitoring dose rates and other environmental readings. In this paper we will describe how DALE is used to provide radiation maps of the residual dose rates in the enclosure. We will also compare the loss points with the Beam Loss monitor data.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-NAPAC2022-MOPA18
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| About • |
Received ※ 02 August 2022 — Revised ※ 05 August 2022 — Accepted ※ 11 August 2022 — Issue date ※ 21 September 2022 |
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| MOPA19 |
The Effect of the Main Injector Ramp on the Recycler |
90 |
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- N. Chelidze, R. Ainsworth, K.J. Hazelwood
Fermilab, Batavia, Illinois, USA
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The Recycler and Main Injector are part of the Fermilab Accelerator complex used to deliver a high power proton beam. Both machines share the same enclosure with the Recycler mounted 6 ft above the Main Injector. The Main Injector accelerates beam from 8 GeV to 120 GeV. While the majority of the Recycler has mu metal shielding, the effect of the Main Injector ramp is still significant and can affect both the tunes and the orbit. In this paper, we detail the size of these effects.
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-NAPAC2022-MOPA19
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| About • |
Received ※ 02 August 2022 — Accepted ※ 04 August 2022 — Issue date ※ 23 August 2022 |
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| WEYE3 |
Improvements to the Recycler/Main Injector to Deliver 850 kW+ |
578 |
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- R. Ainsworth, P. Adamson, D. Capista, N. Chelidze, K.J. Hazelwood, I. Kourbanis, O. Mohsen, D.K. Morris, M.J. Murphy, M. Wren, M. Xiao
Fermilab, Batavia, Illinois, USA
- C.E. Gonzalez-Ortiz
MSU, East Lansing, Michigan, USA
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The Main Injector is used to deliver a 120 GeV high power proton beam for Neutrino experiments. The design power of 700 kW was reached in early 2017 but further improvements have seen a new sustained peak power of 893 kW. Two of the main improvements include the shortening of the Main Injector ramp length as well optimizing the slip-stacking procedure performed in the Recycler to reduce the amount of uncaptured beam making its way into the Main Injector. These improvements will be discussed in this paper as well future upgrades to reach higher beam powers.
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Slides WEYE3 [24.715 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-NAPAC2022-WEYE3
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| About • |
Received ※ 02 August 2022 — Revised ※ 08 August 2022 — Accepted ※ 10 August 2022 — Issue date ※ 18 August 2022 |
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