Identification and Analysis of Prompt Dose Maxima in the Insertion Regions IR1 and IR5 of the Large Hadron Collider

Stein, Oliver; Brugger, Markus; Danzeca, Salvatore; Garcia Alia, Ruben; Kadi, Yacine; Kastriotou, Maria; Martinella, Corinna; Xu, Chen

doi:10.18429/JACoW-IPAC2017-TUPVA016

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RIS citation export for TUPVA016: Identification and Analysis of Prompt Dose Maxima in the Insertion Regions IR1 and IR5 of the Large Hadron Collider

TY - CONF
AU - Stein, O.
AU - Brugger, M.
AU - Danzeca, S.
AU - Garcia Alia, R.
AU - Kadi, Y.
AU - Kastriotou, M.
AU - Martinella, C.
AU - Xu, C.
ED - Schaa, Volker RW
ED - Arduini, Gianluigi
ED - Pranke, Juliana
ED - Seidel, Mike
ED - Lindroos, Mats
TI - Identification and Analysis of Prompt Dose Maxima in the Insertion Regions IR1 and IR5 of the Large Hadron Collider
J2 - Proc. of IPAC2017, Copenhagen, Denmark, 14â19 May, 2017
C1 - Copenhagen, Denmark
T2 - International Particle Accelerator Conference
T3 - 8
LA - english
AB - During the operation of the LHC the continuous particle losses create a radiation field in the LHC tunnel and the adjacent caverns. Exposed electronics and accelerator components show dose dependent accelerated aging effects and stochastic Single Event Effects which can lead to faults and downtime of the LHC. In order to achieve an optimal life duration, the position of the equipment is chosen in dependency of the amplitude of the radiation fields. Therefore, it is crucial to monitor the prompt dose distributions along the whole LHC. By using the LHC beam loss monitor and RadMon systems, the prompt dose during the accelerator operation is continuously monitored. Measurements in the long straight sections and the dispersion suppressors in IR1 (ATLAS) and in IR5 (CMS) have shown that the radiation levels have localised maxima which exceed the base line by 1 to 2 orders of magnitude. The analysis of these radiation peaks will be presented and the underlying loss mechanisms will be discussed. The results will help to identify areas not suitable for radiation sensitive electronics. Implications on the expected radiation levels for High-Luminosity LHC are also discussed.
PB - JACoW
CP - Geneva, Switzerland
SP - 2078
EP - 2080
KW - radiation
KW - luminosity
KW - operation
KW - dipole
KW - quadrupole
DA - 2017/05
PY - 2017
SN - 978-3-95450-182-3
DO - 10.18429/JACoW-IPAC2017-TUPVA016
UR - http://jacow.org/ipac2017/papers/tupva016.pdf
ER -