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 PXE, LAB, and Dodecane which are under discussion for next-gen...

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Veröffentlicht in:	arXiv.org 2010-04
Hauptverfasser:	Wurm, Michael, Franz von Feilitzsch, Goeger-Neff, Marianne, Hofmann, Martin, Lachenmaier, Tobias, Lewke, Timo, Undagoitita, Teresa Marrodan, Meindl, Quirin, Moellenberg, Randoplh, Oberauer, Lothar, Potzel, Walter, Tippmann, Marc, Todor, Sebastian, Traunsteiner, Christoph, Winter, Juergen
Format:	Artikel
Sprache:	eng
Schlagworte:	Detectors Dodecane Mie scattering Neutrinos Physics - High Energy Physics - Experiment Physics - Instrumentation and Detectors Scintillation counters Solvents
Online-Zugang:	Volltext
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Zusammenfassung:	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 PXE, LAB, and Dodecane which are under discussion for next-generation experiments like SNO+, Hanohano, or LENA. Results comprise the wavelength range from 415 to 440nm. 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:	2331-8422
DOI:	10.48550/arxiv.1004.0811