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arXiv · 1906.09296

Production and characterization of a PbMoO$_4$ cryogenic detector from archaeological Pb

L. Pattavina·S. Nagorny·S. Nisi·L. Pagnanini·G. Pessina·S. Pirro·C. Rusconi·K. Schaeffner·V. N. Shlegel·V. N. Zhdankov
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Abstract

We operated a PbMoO$_4$ scintillating cryogenic detector of 570 g, produced with archaeological lead. This compound features excellent low temperature characteristics in terms of light yield, 12 keV/MeV for $β/γ$ interactions, and FWHM energy resolution, 11.7 keV at 2.6 MeV. Furthermore, the detector allows for an effective particle identification by means of pulse shape analysis on the heat read-out channel. The implementation of innovative techniques and procedures for the purification of raw materials used for the crystal growth, and the highly-pure archaeological Pb, allowed the production of large volume high quality crystal. The overall characteristics of the detector operated at cryogenic temperatures makes PbMoO$_4$ an excellent compound for neutrino physics applications, especially neutrinoless double-beta studies.

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L. Pattavina, S. Nagorny, S. Nisi, L. Pagnanini, G. Pessina, S. Pirro, C. Rusconi, K. Schaeffner, V. N. Shlegel, V. N. Zhdankov. 2019-11-02. Production and characterization of a PbMoO$_4$ cryogenic detector from archaeological Pb. https://arxiv.org/abs/1906.09296

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