Status and Performance of the AMoRE-I Experiment on Neutrinoless Double Beta Decay

H. B. Kim,D. H. Ha,E. J. Jeon,J. A. Jeon,H. S. Jo,C. S. Kang,W. G. Kang,H. S. Kim,S. C. Kim,S. G. Kim,S. K. Kim,S. R. Kim,W. T. Kim,Y. D. Kim,Y. H. Kim,D. H. Kwon,E. S. Lee,H. J. Lee,H. S. Lee,J. S. Lee,M. H. Lee, S. W. Lee, Y. C. Lee,D. S. Leonard, H. S. Lim,B. Mailyan, P. B. Nyanda,Y. M. Oh,M. B. Sari,J. W. Seo,K. M. Seo,S. H. Seo,J. H. So,K. R. Woo,Y. S. Yoon

JOURNAL OF LOW TEMPERATURE PHYSICS（2022）

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Abstract

AMoRE is an international project to search for the neutrinoless double beta decay of Mo-100 using a detection technology consisting of magnetic microcalorimeters (MMCs) and molybdenum-based scintillating crystals. Data collection has begun for the current AMORE-I phase of the project, an upgrade from the previous pilot phase. AMoRE-I employs thirteen (CaMoO4)-Ca-48depl.-Mo-100 crystals and five (Li2MoO4)-Mo-100 crystals for a total crystal mass of 6.2 kg. Each detector module contains a scintillating crystal with two MMC channels for heat and light detection. We report the present status of the experiment and the performance of the detector modules.

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Key words

Neutrinoless double beta decay,Low temperature,Magnetic microcalorimeter

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