Study of phenylxylylethane (PXE) as scintillator for low energy neutrino experiments

被引：35

作者：

Back, H. O. ^{[2
]}

Balata, M. ^{[3
]}

de Bari, A. ^{[4
,5
]}

Beau, T.

de Bellefon, A.

Bellini, G. ^{[6
,17
]}

Benziger, J. ^{[7
]}

Bonetti, S. ^{[6
,17
]}

Brigatti, A. ^{[6
,17
]}

Buck, C. ^{[8
]}

Caccianiga, B. ^{[6
,17
]}

Cadonati, L. ^{[7
]}

Calaprice, F. ^{[7
]}

Cecchet, G. ^{[4
,5
]}

Chen, M. ^{[9
]}

Di Credico, A. ^{[3
]}

Dadoun, O.

D'Angelo, D. ^{[6
,17
]}

Derbin, A. ^{[10
]}

Deutsch, M. ^{[11
]}

Elisei, F. ^{[12
]}

Etenko, A. ^{[13
]}

von Feilitzsch, F.

Fernholz, R. ^{[7
]}

Ford, R. ^{[7
]}

Franco, D. ^{[6
,17
]}

Freudiger, B. ^{[8
]}

Galbiati, C. ^{[7
]}

Gatti, F. ^{[14
,15
]}

Gazzana, S. ^{[3
]}

Giammarch, M. G. ^{[6
,17
]}

Glugni, D. ^{[6
,17
]}

Goeger-Neffi, M. ^{[1
]}

Goretti, A. ^{[3
]}

Grieb, C. ^{[1
]}

de Haas, E. ^{[7
]}

Hagner, C. ^{[1
]}

Hampel, W. ^{[8
]}

Harding, E. ^{[7
]}

Hartmarin, F. X. ^{[8
]}

Hertrich, T. ^{[1
]}

Hess, H. ^{[1
]}

Heusser, G. ^{[8
]}

Iannib, A. ^{[7
]}

Ianni, A. M.

de Kerret, H.

Kiko, J. ^{[8
]}

Kirsteng, T. ^{[8
]}

Korga, G. ^{[6
,17
]}

Korschinek, G. ^{[1
]}

机构：

[1] Tech Univ Munich, Dept Phys, E15,James Franck Str, D-85747 Garching, Germany

[2] Virginia Polytech Inst & State Univ, Dept Phys, Blacksburg, VA 24061 USA

[3] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Coppito, Italy

[4] Ist Nazl Fis Nucl, I-27100 Pavia, Italy

[5] Univ Pavia, Dipartimento Fis Nucl & Teor, I-27100 Pavia, Italy

[6] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy

[7] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[8] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[9] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada

[10] Joint Inst Nucl Res, Dubna 1414980, Russia

[11] MIT, Dept Phys, Cambridge, MA 02139 USA

[12] Univ Perugia, Dipartimento Chim, I-06123 Perugia, Italy

[13] RRC Kurchatov Inst, Moscow 123182, Russia

[14] Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy

[15] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[16] KFKI RMKI, H-1121 Budapest, Hungary

[17] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[18] Bell Labs, Lucent Technol, 600 Mt Ave, Murray Hill, NJ 07974 USA

[19] Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30059 Krakow, Poland

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2008年 / 585卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

phenyl-o-xylylethane; PXE; organic liquid scintillator; solar neutrino spectroscopy; low-background counting; Borexino;

D O I：

10.1016/j.nima.2007.10.045

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

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 in at 430 nm were achieved after purification with an alumina column. A radiocarbon isotopic ratio of C-14/C-11 = 9.1 x 10(-18) has been measured in the scintillator. Initial trace impurities, e.g. U-238 at 3.2 x 10(-14) g/g could be purified to levels below 1 x 10(-17) g/g by silica gel solid column purification. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：48 / 60

页数：13

共 30 条

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