Lifetime and strength tests of tantalum and tungsten under thermal shock for a Neutrino Factory target

J. R.J. Bennett, G. P. Škoro, John Back, S. J. Brooks, T. R. Edgecock, S. A. Gray, A. J. McFarland, K. J. Rodgers, C. N. Booth

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A description is given of tests on tantalum and tungsten wires to evaluate their lifetime and strength under the thermal shock that will be experienced when a solid target is bombarded with short pulses of high energy protons in a Neutrino Factory. The results of lifetime tests and measurements of dynamic strength characteristics at high temperatures, stresses and strain rates using a laser Doppler vibrometer are given. The tests show that a solid tungsten target will have a life of at least 3 years, which, with other beneficial characteristics, make it an excellent candidate for the Neutrino Factory.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume646
Issue number1
Early online date8 Apr 2011
DOIs
Publication statusPublished - 1 Aug 2011

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