Keyword: survey
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MOPA18 Residual Dose and Environmental Monitoring for the Fermilab Main Injector Tunnel Using the Data Acquisition Logging Engine (Dale) detector, radiation, proton, operation 87
 
  • N. Chelidze, R. Ainsworth, B.C. Brown, D. Capista, K.J. Hazelwood, D.K. Morris, M.J. Murphy
    Fermilab, Batavia, Illinois, USA
  
  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. 		 
DOI • reference for this paper ※ doi:10.18429/JACoW-NAPAC2022-MOPA18  
About • Received ※ 02 August 2022 — Revised ※ 05 August 2022 — Accepted ※ 11 August 2022 — Issue date ※ 21 September 2022
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