Optical scattering lengths in large liquid-scintillator neutrino detectors

For liquid-scintillator neutrino detectors of kiloton scale, the transparency of the organic solvent is of central importance. The present paper reports on laboratory measurements of the optical scattering lengths of the organic solvents phenylxylylethane, linear alkylbenzene (LAB), and dodecane, wh...

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Bibliographic Details
Published in:Review of scientific instruments 2010-05, Vol.81 (5), p.053301-053301-9
Main Authors: Wurm, M., von Feilitzsch, F., Göger-Neff, M., Hofmann, M., Lachenmaier, T., Lewke, T., Undagoitia, T. Marrodán, Meindl, Q., Möllenberg, R., Oberauer, L., Potzel, W., Tippmann, M., Todor, S., Traunsteiner, C., Winter, J.
Format: Article
Language:English
Subjects:
ABSORPTION
DODECANE
EMISSION
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
LIQUID SCINTILLATION DETECTORS
NEUTRINO DETECTION
NEUTRINOS
OPACITY
ORGANIC SOLVENTS
RAYLEIGH SCATTERING
SCATTERING LENGTHS
SUDBURY NEUTRINO OBSERVATORY
WAVELENGTHS
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Summary:For liquid-scintillator neutrino detectors of kiloton scale, the transparency of the organic solvent is of central importance. The present paper reports on laboratory measurements of the optical scattering lengths of the organic solvents phenylxylylethane, linear alkylbenzene (LAB), and dodecane, which are under discussion for next-generation experiments such as SNO + (Sudbury Neutrino Observatory), HanoHano, or LENA (Low Energy Neutrino Astronomy). Results comprise the wavelength range of 415-440 nm. The contributions from Rayleigh and Mie scattering as well as from absorption/re-emission processes are discussed. Based on the present results, LAB seems to be the preferred solvent for a large-volume detector.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.3397322