Development of a Bi-solvent Liquid Scintillator with Slow Light Emission

One of the most promising approaches for the next generation of neutrino experiments is the realization of large hybrid Cherenkov/scintillation detectors made possible by recent innovations in photodetection technology and liquid scintillator chemistry. The development of a potentially suitable futu...

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Hauptverfasser: Steiger, Hans Th. J, Stock, Matthias Raphael, Böhles, Manuel, Braun, Sarah, Callaghan, Edward J, Dörflinger, David, Fahrendholz, Ulrike, Firsching, Jonas, Fischer, Elias, Kaptanoglu, Tanner, Kayser, Lennard, Lu, Meishu, Oberauer, Lothar, Gann, Gabriel D. Orebi, Stangler, Korbinian, Wurm, Michael, Zundel, Dorina
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creator Steiger, Hans Th. J
Stock, Matthias Raphael
Böhles, Manuel
Braun, Sarah
Callaghan, Edward J
Dörflinger, David
Fahrendholz, Ulrike
Firsching, Jonas
Fischer, Elias
Kaptanoglu, Tanner
Kayser, Lennard
Lu, Meishu
Oberauer, Lothar
Gann, Gabriel D. Orebi
Stangler, Korbinian
Wurm, Michael
Zundel, Dorina
description One of the most promising approaches for the next generation of neutrino experiments is the realization of large hybrid Cherenkov/scintillation detectors made possible by recent innovations in photodetection technology and liquid scintillator chemistry. The development of a potentially suitable future detector liquid with particularly slow light emission is discussed in the present publication. This cocktail is compared with respect to its fundamental characteristics (scintillation efficiency, transparency, and time profile of light emission) with liquid scintillators currently used in large-scale neutrino detectors. In addition, the optimization of the admixture of wavelength shifters for a scintillator with particularly high light emission is presented. Furthermore, the pulse-shape discrimination capabilities of the novel medium was studied using a pulsed particle accelerator driven neutron source. Beyond that, purification methods based on column chromatography and fractional vacuum distillation for the co-solvent DIN (Diisopropylnaphthalene) are discussed.
doi_str_mv 10.48550/arxiv.2405.01100
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title Development of a Bi-solvent Liquid Scintillator with Slow Light Emission
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