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          Institute: MPI für Kernphysik     Collection: Neutrino Physics     Display Documents

ID: 194852.0, MPI für Kernphysik / Neutrino Physics
Phenylxylylethane (PXE): a high-density, high-flashpoint organic liquid scintillator for applications in low-energy particle and astrophysics experiments
Authors:Back, H. O.; Balata, M.; de Bari, A.; Beau, T.; de Bellefon, A.; Bellini, G.; Benziger, J.; Bonetti, S.; Brigatti, A.; Buck, C.; Caccianniga, B.; Cadonat, L.; Calaprice, F.; Cecchet, G.; Chen, M.; Di Credico, A.; Dadoun, O.; D'Angelo, D.; de Haas, H.; Derbin, A.; Deutsch, M.; Elisei, F.; Etenko, A.; Feiltitzsch, F. von; Fernholz, R.; Ford, R.; Franco, D.; Freudiger, B.; Galbiati, C.; Gartner, N.; Gatti, F.; Gazzana, S.; Giammarchi, M. G.; Giugni, D.; Goeger-Neff, M.; Goretti, A.; Grieb, C.; Hagner, C.; Hampel, W.; Harding, E.; Hartmann, F. X.; Hertrich, T.; Hess, H.; Heusser, G.; Ianni, A.; Ianni, A. M.; de Kerret, H.; Kiko, J.; Kirsten, T.; Korga, T.; Korschinek, G.; Kozlov, Y.; Kryn, D.; Laubenstein, M.; Lendvai, C.; Loeser, F.; Lombardi, P.; Malvezzi, S.; Maneira, J.; Manno, I.; Manuzio, D.; Manuzio, G.; Masetti, F.; Martemianov, A.; Mazzucato, U.; McCarty, K.; Meroni, E.; Miramonti, L.; Monzani, M. E.; Musico, P.; Niedermeier, L.; Oberauer, L.; Obolensky, M.; Ortica, F.; Pallavicini, M.; Papp, L.; Parmeggiano, S.; Perasso, L.; Pocar, A.; Raghavan, R. S.; Ranucci, G.; Rau, W.; Razeto, A.; Resconi, E.; Sabelnikov, A.; Salvo, C.; Scardaoni, R.; Schimizzi, D.; Schönert, S.; Schuhbeck, K. H.; Seitz, E.; Simgen, H.; Shutt, T.; Skorokhvatov, M.; Smirnov, O.; Sonnenschein, A.; Sotnikov, A.; Sukhotin, S.; Tarasenkov, V.; Tartaglia, R.; Testera, G.; Vignaud, D.; Vogelaar, R. B.; Vvrodov, V.; Wojcik, M.; Zaimidoroga, O.; Zuzel, G.
Corporate body:BOREXINO Collaboration
Date of Publication (YYYY-MM-DD):2004
Title of Journal:Nuclear Instruments and Methods in Physics Research A
Journal Abbrev.:NIM A
Review Status:Peer-review
Abstract / Description:We report on the study of a new liquid scintillator target for neutrino interactions in the framework of the research and development program of the BOREXINO solar neutrino experiment. The scintillator consists of 1,2-dimethyl-4-(1-phenylethyl)-benzene (phenyl-o-xylylethane, PXE) as solvent and 1,4-diphenylbenzene (para-Terphenyl, p-Tp) as primary and 1,4-bis(2-methylstyryl)benzene (bis-MSB) as secondary solute. The density close to that of water and the high flash point makes it an attractive option for large scintillation detectors in general. The study focused on optical properties, radioactive trace impurities and novel purification techniques of the scintillator. Attenuation lengths of the scintillator mixture of 12 m at 430 nm were achieved after purification with an alumina column. A radio carbon isotopic ratio of C-14/C-12 = 9.1 * 10^{-18}$ has been measured in the scintillator. Initial trace impurities, e.g. U-238 at 3.2 * 10^{-14} g/g could be purified to levels below 10^{-17} g/g by silica gel solid column purification.
External Publication Status:submitted
Document Type:Article
Affiliations:MPI für Kernphysik/Independent Research Group S. Schönert/Neutrino Physics
External Affiliations:Physics Department, Virginia Polytechnic Institute and State University, Robeson Hall, Blacksburg, VA 24061-0435, USA

I.N.F.N Laboratori Nazionali del Gran Sasso, SS 17 bis Km 18+910, I-67010 Assergi(AQ), Italy

Dipartimento di Fisica Nucleare e Teorica Universita‘ and I.N.F.N., Pavia, Via A. Bassi, 6 I-27100, Pavia, Italy

Laboratoire de Physique Corpusculaire et Cosmologie, 11 place Marcelin Berthelot 75231 Paris Cedex 05, France

Dipartimento di Fisica Universit`a and I.N.F.N., Milano, Via Celoria, 16 I-20133 Milano, Italy

Dept. of Physics,Princeton University, Jadwin Hall, Washington Rd, Princeton NJ 08544-0708, USA

Dept. of Physics, Queen’s University Stirling Hall, Kingston, Ontario K7L 3N6, Canada

Technische Universitaet Muenchen, James Franck Strasse, E15 D-85747, Garching, Germany

Joint Institute for Nuclear Research, 141980 Dubna, Russia

Dept. of Physics Massachusetts Institute of Technology,Cambridge, MA 02139, USA

Dipartimento di Chimica Universit`a, Perugia, Via Elce di Sotto, 8 I-06123, Perugia, Italy

RRC Kurchatov Institute, Kurchatov Sq.1, 123182 Moscow, Russia

Dipartimento di Fisica Universit`a and I.N.F.N., Genova, Via Dodecaneso,33 I-16146 Genova, Italy

KFKI-RMKI, Konkoly Thege ut 29-33 H-1121 Budapest, Hungary

Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07974-2070, USA

M.Smoluchowski Institute of Physics, Jagellonian University, PL-30059 Krakow, Poland
Identifiers:URL: [Preprint version on arXiv]
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