A low-threshold diamond cryogenic detector for sub-GeV dark matter searches

被引：1

作者：

Abdelhameed, A. H. ^{[1
]}

Angloher, G. ^{[1
]}

Bento, A. ^{[1
,2
]}

Bertoldo, E. ^{[1
,3
]}

Bertolini, A. ^{[1
]}

Canonica, L. ^{[1
]}

Iachellini, N. Ferreiro ^{[1
]}

Fuchs, D. ^{[1
]}

Garai, A. ^{[1
]}

Hauff, D. ^{[1
]}

Nilima, A. ^{[1
]}

Mancuso, M. ^{[1
]}

Petricca, F. ^{[1
]}

Proebst, F. ^{[1
]}

Pucci, F. ^{[1
]}

Rothe, J. ^{[1
,4
,5
]}

机构：

[1] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[2] Univ Coimbra, Dept Fis, LIBPhys UC, P-3004516 Coimbra, Portugal

[3] Barcelona Inst Sci & Technol BIST, Inst Fis Altes Energies IFAE, Barcelona 08193, Spain

[4] Tech Univ Munich, Phys Dept, D-85748 Garching, Germany

[5] Tech Univ Munich, Excellence Cluster Universe, D-85748 Garching, Germany

来源：

EUROPEAN PHYSICAL JOURNAL C | 2022年 / 82卷 / 09期

关键词：

Coherent scattering - Cryogenics - Dark Matter - Diamonds;

D O I：

10.1140/epjc/s10052-022-10829-5

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In this work we report the realization of the first low-threshold cryogenic detector that uses diamond as absorber for astroparticle physics applications. We tested two 0.175 g CVD diamond samples, each instrumented with a W-TES. The sensors showed transitions at about 25 mK. We present the performance of the diamond detectors and we highlight the best performing one, where we obtained an energy threshold as low as 16.8 eV. This promising result lays the foundation for the use of diamond for different fields of applications where low threshold and excellent energy resolution are required, as i.e. light dark matter searches and BSM physics with coherent elastic neutrino nucleus scattering.

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页数：5

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