Upgrade to the Birmingham Irradiation Facility

P. Dervan, R. French, P. Hodgson, H. Marin-reyes, K. Parker, J. Wilson, M. Baca

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)
101 Downloads (Pure)

Abstract

The Birmingham Irradiation Facility was developed in 2013 at the University of Birmingham using the Medical Physics MC40 cyclotron. It can achieve High Luminosity LHC (HL-LHC) fluences of 1015 (1 MeV neutron equivalent (neq)) cm−2 in 80 s with proton beam currents of 1 μA and so can evaluate effectively the performance and durability of detector technologies and new components to be used for the HL-LHC. Irradiations of silicon sensors and passive materials can be carried out in a temperature controlled cold box which moves continuously through the homogenous beamspot. This movement is provided by a pre-configured XY-axis Cartesian robot scanning system. In 2014 the cooling system and cold box were upgraded from a recirculating glycol chiller system to a liquid nitrogen evaporative system. The new cooling system achieves a stable temperature of −50 °C in 30 min and aims to maintain sub-0 °C temperatures on the sensors during irradiations. This paper reviews the design, development, commissioning and performance of the new cooling system.
Original languageEnglish
Pages (from-to)80-84
JournalNuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors
Volume796
Early online date10 Feb 2015
DOIs
Publication statusPublished - 1 Oct 2015

Keywords

  • Cyclotron
  • Irradiation
  • Silicon sensors
  • Scanning system
  • Robot
  • Cooling

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