Effects of Nitrogen and Oxygen contamination in liquid Argon

R. Acciarri; M. Antonello; B. Baibussinov; M. Baldo-Ceolin; P. Benetti; F. Calaprice; E. Calligarich; M. Cambiaghi; N. Canci; F. Carbonara; F. Cavanna; S. Centro; A. G. Cocco; F. Di Pompeo; G. Fiorillo; C. Galbiati; V. Gallo; L. Grandi; G. Meng; I. Modena; C. Montanari; O. Palamara; L. Pandola; F. Pietropaolo; G. L. Raselli; M. Roncadelli; M. Rossella; C. Rubbia; E. Segreto; A. M. Szelc; F. Tortorici; S. Ventura; C. Vignoli

doi:10.1016/j.nuclphysbps.2009.10.037

Effects of Nitrogen and Oxygen contamination in liquid Argon

R. Acciarri, M. Antonello, B. Baibussinov, M. Baldo-Ceolin, P. Benetti, F. Calaprice, E. Calligarich, M. Cambiaghi, N. Canci, F. Carbonara, F. Cavanna, S. Centro, A. G. Cocco, F. Di Pompeo, G. Fiorillo, C. Galbiati, V. Gallo, L. Grandi, G. Meng, I. ModenaC. Montanari, O. Palamara, L. Pandola, F. Pietropaolo, G. L. Raselli, M. Roncadelli, M. Rossella, C. Rubbia, E. Segreto, A. M. Szelc, F. Tortorici, S. Ventura, C. Vignoli

Physics

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Abstract

Two dedicated and distinct tests of Nitrogen and Oxygen contamination effects in liquid Argon (LAr) have been performed within the WArP R&D program. Purpose of the tests is to detect the reduction of the LAr scintillation light emission as a function of the contaminant amount injected in the Argon volume. The rate constant of the light quenching processes has been found to be k (N₂) = 0.11 μ s^{- 1} ppm^{- 1} for Nitrogen and k^′ (O 2) = 0.54 ± 0.03 μ s^{- 1} ppm^{- 1} for Oxygen. Direct PMT signals acquisition allowed to extract with high precision the main characteristics of the scintillation light emission in pure and contaminated LAr. In particular, the decreasing behavior in lifetime and relative amplitude of the slow component is found to be appreciable from O (1 ppm) of Nitrogen concentrations and from O (0.1 ppm) of Oxygen concentrations.

Original language	English (US)
Pages (from-to)	70-73
Number of pages	4
Journal	Nuclear Physics B - Proceedings Supplements
Volume	197
Issue number	1
DOIs	https://doi.org/10.1016/j.nuclphysbps.2009.10.037
State	Published - Dec 15 2009

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics

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10.1016/j.nuclphysbps.2009.10.037

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Acciarri, R., Antonello, M., Baibussinov, B., Baldo-Ceolin, M., Benetti, P., Calaprice, F., Calligarich, E., Cambiaghi, M., Canci, N., Carbonara, F., Cavanna, F., Centro, S., Cocco, A. G., Di Pompeo, F., Fiorillo, G., Galbiati, C., Gallo, V., Grandi, L., Meng, G., ... Vignoli, C. (2009). Effects of Nitrogen and Oxygen contamination in liquid Argon. Nuclear Physics B - Proceedings Supplements, 197(1), 70-73. https://doi.org/10.1016/j.nuclphysbps.2009.10.037

@article{bd8da5d3dee94a31a5fb236e33b4a420,

title = "Effects of Nitrogen and Oxygen contamination in liquid Argon",

abstract = "Two dedicated and distinct tests of Nitrogen and Oxygen contamination effects in liquid Argon (LAr) have been performed within the WArP R&D program. Purpose of the tests is to detect the reduction of the LAr scintillation light emission as a function of the contaminant amount injected in the Argon volume. The rate constant of the light quenching processes has been found to be k (N2) = 0.11 μ s- 1 ppm- 1 for Nitrogen and k′ (O 2) = 0.54 ± 0.03 μ s- 1 ppm- 1 for Oxygen. Direct PMT signals acquisition allowed to extract with high precision the main characteristics of the scintillation light emission in pure and contaminated LAr. In particular, the decreasing behavior in lifetime and relative amplitude of the slow component is found to be appreciable from O (1 ppm) of Nitrogen concentrations and from O (0.1 ppm) of Oxygen concentrations.",

author = "R. Acciarri and M. Antonello and B. Baibussinov and M. Baldo-Ceolin and P. Benetti and F. Calaprice and E. Calligarich and M. Cambiaghi and N. Canci and F. Carbonara and F. Cavanna and S. Centro and Cocco, {A. G.} and {Di Pompeo}, F. and G. Fiorillo and C. Galbiati and V. Gallo and L. Grandi and G. Meng and I. Modena and C. Montanari and O. Palamara and L. Pandola and F. Pietropaolo and Raselli, {G. L.} and M. Roncadelli and M. Rossella and C. Rubbia and E. Segreto and Szelc, {A. M.} and F. Tortorici and S. Ventura and C. Vignoli",

year = "2009",

month = dec,

day = "15",

doi = "10.1016/j.nuclphysbps.2009.10.037",

language = "English (US)",

volume = "197",

pages = "70--73",

journal = "Nuclear Physics B - Proceedings Supplements",

issn = "0920-5632",

publisher = "Elsevier B.V.",

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Acciarri, R, Antonello, M, Baibussinov, B, Baldo-Ceolin, M, Benetti, P, Calaprice, F, Calligarich, E, Cambiaghi, M, Canci, N, Carbonara, F, Cavanna, F, Centro, S, Cocco, AG, Di Pompeo, F, Fiorillo, G, Galbiati, C, Gallo, V, Grandi, L, Meng, G, Modena, I, Montanari, C, Palamara, O, Pandola, L, Pietropaolo, F, Raselli, GL, Roncadelli, M, Rossella, M, Rubbia, C, Segreto, E, Szelc, AM, Tortorici, F, Ventura, S & Vignoli, C 2009, 'Effects of Nitrogen and Oxygen contamination in liquid Argon', Nuclear Physics B - Proceedings Supplements, vol. 197, no. 1, pp. 70-73. https://doi.org/10.1016/j.nuclphysbps.2009.10.037

TY - JOUR

T1 - Effects of Nitrogen and Oxygen contamination in liquid Argon

AU - Acciarri, R.

AU - Antonello, M.

AU - Baibussinov, B.

AU - Baldo-Ceolin, M.

AU - Benetti, P.

AU - Calaprice, F.

AU - Calligarich, E.

AU - Cambiaghi, M.

AU - Canci, N.

AU - Carbonara, F.

AU - Cavanna, F.

AU - Centro, S.

AU - Cocco, A. G.

AU - Di Pompeo, F.

AU - Fiorillo, G.

AU - Galbiati, C.

AU - Gallo, V.

AU - Grandi, L.

AU - Meng, G.

AU - Modena, I.

AU - Montanari, C.

AU - Palamara, O.

AU - Pandola, L.

AU - Pietropaolo, F.

AU - Raselli, G. L.

AU - Roncadelli, M.

AU - Rossella, M.

AU - Rubbia, C.

AU - Segreto, E.

AU - Szelc, A. M.

AU - Tortorici, F.

AU - Ventura, S.

AU - Vignoli, C.

PY - 2009/12/15

Y1 - 2009/12/15

N2 - Two dedicated and distinct tests of Nitrogen and Oxygen contamination effects in liquid Argon (LAr) have been performed within the WArP R&D program. Purpose of the tests is to detect the reduction of the LAr scintillation light emission as a function of the contaminant amount injected in the Argon volume. The rate constant of the light quenching processes has been found to be k (N2) = 0.11 μ s- 1 ppm- 1 for Nitrogen and k′ (O 2) = 0.54 ± 0.03 μ s- 1 ppm- 1 for Oxygen. Direct PMT signals acquisition allowed to extract with high precision the main characteristics of the scintillation light emission in pure and contaminated LAr. In particular, the decreasing behavior in lifetime and relative amplitude of the slow component is found to be appreciable from O (1 ppm) of Nitrogen concentrations and from O (0.1 ppm) of Oxygen concentrations.

AB - Two dedicated and distinct tests of Nitrogen and Oxygen contamination effects in liquid Argon (LAr) have been performed within the WArP R&D program. Purpose of the tests is to detect the reduction of the LAr scintillation light emission as a function of the contaminant amount injected in the Argon volume. The rate constant of the light quenching processes has been found to be k (N2) = 0.11 μ s- 1 ppm- 1 for Nitrogen and k′ (O 2) = 0.54 ± 0.03 μ s- 1 ppm- 1 for Oxygen. Direct PMT signals acquisition allowed to extract with high precision the main characteristics of the scintillation light emission in pure and contaminated LAr. In particular, the decreasing behavior in lifetime and relative amplitude of the slow component is found to be appreciable from O (1 ppm) of Nitrogen concentrations and from O (0.1 ppm) of Oxygen concentrations.

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UR - http://www.scopus.com/inward/citedby.url?scp=76749118128&partnerID=8YFLogxK

U2 - 10.1016/j.nuclphysbps.2009.10.037

DO - 10.1016/j.nuclphysbps.2009.10.037

M3 - Article

AN - SCOPUS:76749118128

SN - 0920-5632

VL - 197

SP - 70

EP - 73

JO - Nuclear Physics B - Proceedings Supplements

JF - Nuclear Physics B - Proceedings Supplements

IS - 1

ER -

Effects of Nitrogen and Oxygen contamination in liquid Argon

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