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LHC availability 2017: Proton physics-setting the scence

This paper summarises the LHC machine availability for the standard proton physics period in 2017. This paper first considers operational aspects, such as beam mode ratios, beam dump causes, fill length and turnaround. Following this, a detailed breakdown of all faults and their impact upon LHC is g...

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Detalles Bibliográficos
Autores principales: Todd, B, Apollonio, A, Ponce, L, Walsh, D, Roderick, C
Lenguaje:eng
Publicado: 2019
Materias:
Acceso en línea:http://cds.cern.ch/record/2813534
Descripción
Sumario:This paper summarises the LHC machine availability for the standard proton physics period in 2017. This paper first considers operational aspects, such as beam mode ratios, beam dump causes, fill length and turnaround. Following this, a detailed breakdown of all faults and their impact upon LHC is given, with notable faults and new root causes identified. This paper compares the LHC's 2017 and 2016 availability performance, giving principle changes observed. This work has been produced and ratified by the Availability Working Group [1], which has compiled fault information for the period in question using the Accelerator Fault Tracker [2].