Particle discrimination in a NaI crystal using the COSINUS remote TES design

被引：2

作者：

Angloher, G. ^{[1
]}

Bharadwaj, M. R. ^{[1
]}

Dafinei, I. ^{[2
,3
]}

Di Marco, N. ^{[2
,4
]}

Einfalt, L. ^{[3
,5
,6
]}

Ferroni, F. ^{[2
,3
]}

Fichtinger, S.

Filipponi, A. ^{[4
,7
]}

Frank, T. ^{[1
]}

Friedl, M. ^{[5
]}

Fuss, A. ^{[5
,6
]}

Ge, Z. ^{[8
]}

Heikinheimo, M. ^{[9
]}

Hughes, M. N. ^{[1
]}

Huitu, K. ^{[9
]}

Kellermann, M. ^{[1
]}

Maji, R. ^{[5
,6
]}

Mancuso, M. ^{[1
]}

Pagnanini, L. ^{[2
,4
]}

Petricca, F. ^{[1
]}

Pirro, S. ^{[4
]}

Proebst, F. ^{[1
]}

Profeta, G. ^{[4
,7
]}

Puiu, A. ^{[2
,4
]}

Reindl, F. ^{[5
,6
]}

Schaeffner, K. ^{[1
]}

Schieck, J. ^{[5
,6
]}

Schmiedmayer, D. ^{[5
,6
]}

Schwertner, C. ^{[5
,6
]}

Stahlberg, M. ^{[1
]}

Stendahl, A. ^{[9
]}

Stukel, M. ^{[2
,4
]}

Tresca, C. ^{[4
,7
]}

Wagner, F. ^{[5
]}

Yue, S. ^{[8
]}

Zema, V. ^{[1
]}

Zhu, Y.

Bento, A. ^{[1
,10
]}

Canonica, L. ^{[1
]}

Garai, A. ^{[1
]}

机构：

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

[2] Gran Sasso Sci Inst, I-67100 Laquila, Italy

[3] INFN Sez Roma, I-00185 Rome, Italy

[4] INFN, Lab Nazl Gran Sasso, I-67100 Laquila, Italy

[5] Austrian Acad Sci, Inst Hochenergiephys, A-1050 Vienna, Austria

[6] Tech Univ Wien, Atominst, A-1020 Vienna, Austria

[7] Univ Aquila, Dipartimento Sci Fis & Chim, I-67100 Laquila, Italy

[8] SICCAS Shanghai Inst Ceram, Shanghai 201899, Peoples R China

[9] Univ Helsinki, Helsinki Inst Phys, Helsinki 00014, Finland

[10] Univ Coimbra, Dept Phys, LIBPhys UC, P-3004516 Coimbra, Portugal

来源：

PHYSICAL REVIEW D | 2024年 / 109卷 / 08期

基金：

奥地利科学基金会;

关键词：

DETECTORS;

D O I：

10.1103/PhysRevD.109.082003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The COSINUS direct dark matter experiment situated at Laboratori Nazionali del Gran Sasso in Italy is set to investigate the nature of the annually modulating signal detected by the DAMA/LIBRA experiment. COSINUS has already demonstrated that sodium iodide crystals can be operated at mK temperature as cryogenic scintillating calorimeters using transition edge sensors, despite the complication of handling a hygroscopic and low melting point material. With results from a new COSINUS prototype, we show that particle discrimination on an event-by-event basis in NaI is feasible using the dual-channel readout of both phonons and scintillation light. The detector was mounted in the novel remoTES design and operated in an above-ground facility for 9.06 g <middle dot> d of exposure. With a 3.7 g NaI crystal, e-/gamma events could be clearly distinguished from nuclear recoils down to the nuclear recoil energy threshold of 20 keV.

引用

页数：8

共 24 条

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[10] Applied Physics Systems, ABOUT US

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