The fluid-filling system for the Borexino solar neutrino detector

Jay Burton Benziger, L. Cadonati, Frank Calaprice, M. Chen, A. Corsi, F. Dalnoki-Veress, R. Fernholz, R. Ford, Cristiano Galbiati, A. Goretti, E. Harding, Aldo Ianni, Andrea Ianni, S. Kidner, M. Leung, F. Loeser, K. McCarty, D. McKinsey, A. Nelson, A. PocarC. Salvo, D. Schimizzi, T. Shutt, A. Sonnenschein

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The system for controlled filling of the nested flexible scintillator containment vessels in the Borexino solar neutrino detector is described. The design and operation principles of pressure and shape monitoring systems are presented for gas filling, gas displacement by water, and water displacement by scintillator. System specifications for safety against overstressing the flexible nylon vessels are defined as well as leak-tightness and cleanliness requirements. The fluid-filling system was a major engineering challenge for the Borexino detector.

Original languageEnglish (US)
Pages (from-to)464-474
Number of pages11
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume608
Issue number3
DOIs
StatePublished - Sep 21 2009

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

Keywords

  • Liquid scintillator
  • Low-background detectors
  • Radiopurity
  • Solar neutrino

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