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arXiv 1502.01161physics.ins-detnucl-ex
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基于ZnMoO $_4$和Zn $^{100}$ MoO $_4$晶体的闪烁测辐射热计,用于寻找0 $ν$ 2 $β$ Mo的衰变(LUMINEU项目):在Modane地下实验室的首次测试

Scintillating bolometers based on ZnMoO$_4$ and Zn$^{100}$MoO$_4$ crystals to search for 0$ν$2$β$ decay of $^{100}$Mo (LUMINEU project): first tests at the Modane Underground Laboratory

D. V. Poda, E. Armengaud, Q. Arnaud, C. Augier, A. Benoît, A. Benoît, L. Bergé, R. S. Boiko, T. Bergmann, J. Blümer, A. Broniatowski, V. Brudanin, P. Camus, A. … 展开作者

D. V. Poda, E. Armengaud, Q. Arnaud, C. Augier, A. Benoît, A. Benoît, L. Bergé, R. S. Boiko, T. Bergmann, J. Blümer, A. Broniatowski, V. Brudanin, P. Camus, A. Cazes, B. Censier, M. Chapellier, F. Charlieux, D. M. Chernyak, N. Coron, P. Coulter, G. A. Cox, F. A. Danevich, T. de Boissière, R. Decourt, M. De Jesus, L. Devoyon, A. -A. Drillien, L. Dumoulin, K. Eitel, C. Enss, D. Filosofov, A. Fleischmann, N. Fourches, J. Gascon, L. Gastaldo, G. Gerbier, A. Giuliani, M. Gros, L. Hehn, S. Henry, S. Hervé, G. Heuermann, V. Humbert, I. M. Ivanov, A. Juillard, C. Kéfélian, M. Kleifges, H. Kluck, V. V. Kobychev, F. Koskas, V. Kozlov, H. Kraus, V. A. Kudryavtsev, H. Le Sueur, M. Loidl, P. Magnier, E. P. Makarov, M. Mancuso, P. de Marcillac, S. Marnieros, C. Marrache-Kikuchi, A. Menshikov, S. G. Nasonov, X-F. Navick, C. Nones, E. Olivieri, P. Pari, B. Paul, Y. Penichot, G. Pessina, M. C. Piro, O. Plantevin, T. Redon, M. Robinson, M. Rodrigues, S. Rozov, V. Sanglard, B. Schmidt, V. N. Shlegel, B. Siebenborn, O. Strazzer, D. Tcherniakhovski, M. Tenconi, L. Torres, V. I. Tretyak, L. Vagneron, Ya. V. Vasiliev, M. Velazquez, O. Viraphong, R. J. Walker, M. Weber, E. Yakushev, X. Zhang, V. N. Zhdankov

摘要:

在LUMINEU项目中,正在开发基于ZnMoO $_4$晶体的辐射热测量计技术,以寻找$^{100}$ Mo的0 $ν$ 2 $β$衰变,目的是为能够探索中微子质量模式的倒置层次区域的大规模实验奠定基础。研制了质量为0.3kg左右的$_4$晶体生长器,并首次采用低热梯度提拉法从富集$\sim$ Mo中生长出ZnPDMATHABMP $_4$晶体。一个ZnMoO $_4$闪烁体和两个样品(59克和63克)从富集的梨切割在地上进行了测试,在毫开尔文温度下,显示出高的检测性能的闪烁测辐射热计。低背景测量的第一个结果与三个ZnMoO $_4$和两个丰富的探测器安装在EDELWEISS设置在Modane地下实验室(法国)。

英文摘要:

The technology of scintillating bolometers based on zinc molybdate (ZnMoO$_4$) crystals is under development within the LUMINEU project to search for 0$ν$2$β$ decay of $^{100}$Mo with the goal to set the basis for large scale experiments capable to explore the inverted hierarchy region of the neutrino mass pattern. Advanced ZnMoO$_4$ crystal scintillators with mass of $\sim$~0.3 kg were developed and Zn$^{100}$MoO$_4$ crystal from enriched $^{100}$Mo was produced for the first time by using the low-thermal-gradient Czochralski technique. One ZnMoO$_4$ scintillator and two samples (59 g and 63 g) cut from the enriched boule were tested aboveground at milli-Kelvin temperature as scintillating bolometers showing a high detection performance. The first results of the low background measurements with three ZnMoO$_4$ and two enriched detectors installed in the EDELWEISS set-up at the Modane Underground Laboratory (France) are presented.

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