AMoRE experiment: a search for neutrinoless double beta decay of 100Mo isotope with 40Ca 100MoO4 cryogenic scintillation detector

被引：60

作者：

Bhang, H. ^{[1
]}

Boiko, R. S. ^{[2
]}

Chernyak, D. M. ^{[2
]}

Choi, J. H. ^{[1
]}

Choi, S. ^{[1
]}

Danevich, F. A. ^{[2
]}

Efendiev, K. V. ^{[3
]}

Enss, C. ^{[4
]}

Fleischmann, A. ^{[4
]}

Gangapshev, A. M. ^{[3
]}

Gastaldo, L. ^{[4
]}

Gezhaev, A. M. ^{[3
]}

Hwang, Y. S. ^{[6
]}

Jiang, H. ^{[5
]}

Kang, W. G. ^{[6
]}

Kazalov, V. V. ^{[3
]}

Khanbekov, N. D. ^{[7
]}

Kim, H. J.

Kim, K. B. ^{[1
]}

Kim, S. K. ^{[1
]}

Kim, S. C. ^{[1
]}

Kim, Y. D. ^{[6
]}

Kim, Y. H. ^{[8
]}

Kobychev, V. V. ^{[2
]}

Kornoukhov, V. N. ^{[7
]}

Kuzminov, V. V. ^{[3
]}

Mokina, V. M. ^{[2
]}

Lee, H. S. ^{[1
]}

Lee, J. I. ^{[1
]}

Lee, J. M. ^{[8
]}

Lee, K. B.

Lee, M. J. ^{[1
]}

Lee, M. K. ^{[8
]}

Lee, S. J. ^{[1
]}

Li, J. ^{[1
]}

Li, X. ^{[1
]}

Myung, S. S. ^{[1
]}

Nikolaiko, A. S. ^{[2
]}

Olsen, S. ^{[1
]}

Panasenko, S. I. ^{[3
]}

Park, H. ^{[8
]}

Poda, D. V. ^{[2
]}

Podviyanuk, R. B.

Polischuk, O. G. ^{[2
]}

Polozov, P. A. ^{[7
]}

Ratkevich, S. S. ^{[3
]}

Satou, Y. ^{[1
]}

So, J. H. ^{[5
]}

Tanida, K. ^{[1
]}

Tretyak, V. I. ^{[2
]}

机构：

[1] Seoul Natl Univ, Dept Phys & Astron, Seoul 151742, South Korea

[2] Inst Nucl Res, UA-03680 Kiev, Ukraine

[3] Baksan Neutrino Observ INR RAS, Neytrino, Kabardino Balka, Russia

[4] Kirchhoff Inst Phys Heidelberg Univ, D-69120 Heidelberg, Germany

[5] Kyungpook Natl Univ, Dept Phys, Taegu 702701, South Korea

[6] Sejong Univ, Dept Phys, Seoul 143747, South Korea

[7] Inst Theoret & Expt Phys, Moscow 117218, Russia

[8] Korea Res Inst Stand & Sci, Daejon 305340, South Korea

[9] Tsinghua Univ, Beijing 10084, Peoples R China

来源：

12TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2011), PTS 1-6 | 2012年 / 375卷

关键词：

CRYSTAL;

D O I：

10.1088/1742-6596/375/1/042023

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

AMoRE (Advanced Mo based Rare process Experiment) collaboration is going to use calcium molybdate crystals as cryogenic scintillation detector in a search for neutrinoless DBD of Mo-100 isotope. Simultaneous detection of phonons and light will be used to reject internal background. A FWHM resolution of 0.2% in the phonon channel has been achieved with a 0.5 cm(3) crystal. Several (CaMoO4)-Ca-40-Mo-100 crystals (approximate to 0.5 kg) have been developed from enriched Mo-100 and depleted Ca-40 materials. The light yield of these crystals has been shown to be comparable with reference CaMoO4 scintillators for temperatures ranging down to 8 K. The content of dangerous radioisotopes in the crystals is under measurement. The projected sensitivity of the experiment for a 250 kg x years exposure is lim T-1/2 similar to 3 x 10(26) years, which corresponds to the effective Majorana neutrino mass < mv > similar to 0.02 - 0.06 eV.

引用

页数：4

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