Searching for low-mass dark matter particles with a massive Ge bolometer operated above ground

被引：173

作者：

Armengaud, E. ^{[1
]}

Augier, C. ^{[2
]}

Benoit, A. ^{[2
,3
]}

Berge, L. ^{[4
]}

Billard, J. ^{[2
]}

Broniatowski, A. ^{[4
]}

Camus, P. ^{[3
]}

Cazes, A. ^{[2
]}

Chapellier, M. ^{[4
]}

Charlieux, F. ^{[2
]}

Ducimetiere, D. ^{[2
]}

Dumoulin, L. ^{[4
]}

Eitel, K. ^{[5
]}

Filosofov, D. ^{[6
]}

Gascon, J. ^{[2
]}

Giuliani, A. ^{[4
]}

Gros, M. ^{[1
]}

De Jesus, M. ^{[2
]}

Jin, Y. ^{[7
]}

Juillard, A. ^{[2
]}

Kleifges, M. ^{[8
]}

Maisonobe, R. ^{[2
]}

Marnieros, S. ^{[4
]}

Misiak, D. ^{[2
]}

Navick, X. -F. ^{[1
]}

Nones, C. ^{[1
]}

Olivieri, E. ^{[4
]}

Oriol, C. ^{[4
]}

Pari, P. ^{[9
]}

Paul, B. ^{[1
]}

Poda, D. ^{[4
]}

Queguiner, E. ^{[2
]}

Rozov, S. ^{[6
]}

Sanglard, V. ^{[2
]}

Siebenborn, B. ^{[5
]}

Vagneron, L. ^{[2
]}

Weber, M. ^{[8
]}

Yakushev, E. ^{[6
]}

Zolotarova, A. ^{[1
,4
]}

Kavanagh, B. J. ^{[10
]}

机构：

[1] Univ Paris Saclay, CEA, IRFU, F-91191 Gif Sur Yvette, France

[2] Univ Lyon 1, Univ Lyon, CNRS, IN2P3,IPN Lyon, F-69622 Villeurbanne, France

[3] UJF, CNRS, Inst Neel, 25 Rue Martyrs,BP 166, F-38042 Grenoble, France

[4] Univ Paris Saclay, Univ Paris Sud, CNRS, CSNSM,IN2P3, F-91405 Orsay, France

[5] Karlsruher Inst Technol, Inst Kernphys, Postfach 3640, D-76021 Karlsruhe, Germany

[6] JINR, Lab Nucl Problems, Joliot Curie 6, Dubna 141980, Moscow Region, Russia

[7] CNRS, Lab Photon & Nanostruct, F-91460 Marcoussis, France

[8] Karlsruher Inst Technol, Inst Prozessdatenverarbeitung & Elekt, Postfach 3640, D-76021 Karlsruhe, Germany

[9] Univ Paris Saclay, CEA, IRAMIS, F-91191 Gif Sur Yvette, France

[10] Univ Amsterdam, GRAPPA, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands

来源：

PHYSICAL REVIEW D | 2019年 / 99卷 / 08期

基金：

俄罗斯基础研究基金会;

关键词：

ELECTRONS;

D O I：

10.1103/PhysRevD.99.082003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The EDELWEISS Collaboration has performed a search for dark matter particles with masses below the GeV scale with a 33.4-g germanium cryogenic detector operated in a surface lab. The energy deposits were measured using a neutron-transmutation-doped Ge thermal sensor with a 17.7 eV (rms) baseline heat energy resolution leading to a 60 eV analysis energy threshold. Despite a moderate lead shielding and the high-background environment, the first sub-GeV spin-independent dark matter limit based on a germanium target has been achieved. The experiment provides the most stringent, nuclear-recoil-based, above-ground limit on spin-independent interactions above 600 MeV/c(2). The experiment also provides the most stringent limits on spin-dependent interactions with protons and neutrons below 1.3 GeV/c(2). Furthermore, the dark matter search results were studied in the context of strongly interacting massive particles, taking into account Earth-shielding effects, for which new regions of the available parameter space have been excluded. Finally, the dark matter search has also been extended to interactions via the Migdal effect, resulting for the first time in the exclusion of particles with masses between 45 and 150 MeV/c(2) with spin-independent cross sections ranging from 10(-29) to 10(-26)cm(2).

引用

页数：15

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