Ageing in the LHCb outer tracker: Aromatic hydrocarbons and wire cleaning

N. Tuning; M.R. Blom; D. van Eijk; T.J. Ketel; M.H.M. Merk; I.V.N. Mous; A. Pellegrino; T. du Pree; N. Serra; E. Simioni; B. Storaci

doi:10.1016/j.nima.2011.08.001

Ageing in the LHCb outer tracker: Aromatic hydrocarbons and wire cleaning

N. Tuning, M.R. Blom, D. van Eijk, T.J. Ketel, M.H.M. Merk, I.V.N. Mous, A. Pellegrino, T. du Pree, N. Serra, E. Simioni, B. Storaci

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

The LHCb Outer Tracker straw tubes have shown to suffer from gain loss after irradiation in the laboratory at moderate intensities. Under irradiation an insulating layer is formed on the anode wire. The ageing is caused by contamination of the counting gas due to outgassing of the plastifier diisopropyl-naphthalene in araldite AY103-1 used at construction. This paper presents irradiation results with and without the plastifier, together with the mass spectra of the glue samples. In addition, the effects of wire heating and large currents are presented. (C) 2011 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	45-50
Journal	Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
Volume	656
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2011.08.001
Publication status	Published - 2011

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Tuning, N., Blom, M. R., van Eijk, D., Ketel, T. J., Merk, M. H. M., Mous, I. V. N., Pellegrino, A., du Pree, T., Serra, N., Simioni, E., & Storaci, B. (2011). Ageing in the LHCb outer tracker: Aromatic hydrocarbons and wire cleaning. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 656(1), 45-50. https://doi.org/10.1016/j.nima.2011.08.001

Tuning, N. ; Blom, M.R. ; van Eijk, D. ; Ketel, T.J. ; Merk, M.H.M. ; Mous, I.V.N. ; Pellegrino, A. ; du Pree, T. ; Serra, N. ; Simioni, E. ; Storaci, B. / Ageing in the LHCb outer tracker: Aromatic hydrocarbons and wire cleaning. In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. 2011 ; Vol. 656, No. 1. pp. 45-50.

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title = "Ageing in the LHCb outer tracker: Aromatic hydrocarbons and wire cleaning",

abstract = "The LHCb Outer Tracker straw tubes have shown to suffer from gain loss after irradiation in the laboratory at moderate intensities. Under irradiation an insulating layer is formed on the anode wire. The ageing is caused by contamination of the counting gas due to outgassing of the plastifier diisopropyl-naphthalene in araldite AY103-1 used at construction. This paper presents irradiation results with and without the plastifier, together with the mass spectra of the glue samples. In addition, the effects of wire heating and large currents are presented. (C) 2011 Elsevier B.V. All rights reserved.",

author = "N. Tuning and M.R. Blom and {van Eijk}, D. and T.J. Ketel and M.H.M. Merk and I.V.N. Mous and A. Pellegrino and {du Pree}, T. and N. Serra and E. Simioni and B. Storaci",

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language = "English",

volume = "656",

pages = "45--50",

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Tuning, N, Blom, MR, van Eijk, D, Ketel, TJ, Merk, MHM, Mous, IVN, Pellegrino, A, du Pree, T, Serra, N, Simioni, E & Storaci, B 2011, 'Ageing in the LHCb outer tracker: Aromatic hydrocarbons and wire cleaning', Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, vol. 656, no. 1, pp. 45-50. https://doi.org/10.1016/j.nima.2011.08.001

Ageing in the LHCb outer tracker: Aromatic hydrocarbons and wire cleaning. / Tuning, N.; Blom, M.R.; van Eijk, D.; Ketel, T.J.; Merk, M.H.M.; Mous, I.V.N.; Pellegrino, A.; du Pree, T.; Serra, N.; Simioni, E.; Storaci, B.

In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, Vol. 656, No. 1, 2011, p. 45-50.

Research output: Contribution to Journal › Article › Academic › peer-review

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AU - du Pree, T.

AU - Serra, N.

AU - Simioni, E.

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AB - The LHCb Outer Tracker straw tubes have shown to suffer from gain loss after irradiation in the laboratory at moderate intensities. Under irradiation an insulating layer is formed on the anode wire. The ageing is caused by contamination of the counting gas due to outgassing of the plastifier diisopropyl-naphthalene in araldite AY103-1 used at construction. This paper presents irradiation results with and without the plastifier, together with the mass spectra of the glue samples. In addition, the effects of wire heating and large currents are presented. (C) 2011 Elsevier B.V. All rights reserved.

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