Results on light dark matter particles with a low-threshold CRESST-II detector

被引：328

作者：

Angloher, G. ^{[1
]}

Bento, A. ^{[2
]}

Bucci, C. ^{[3
]}

Canonica, L. ^{[3
]}

Defay, X. ^{[4
,5
]}

Erb, A. ^{[4
,5
,6
]}

von Feilitzsch, F. ^{[4
,5
]}

Iachellini, N. Ferreiro ^{[1
]}

Gorla, P. ^{[3
]}

Guetlein, A. ^{[7
,8
]}

Hauff, D. ^{[1
]}

Jochum, J. ^{[9
]}

Kiefer, M. ^{[1
]}

Kluck, H. ^{[7
,8
]}

Kraus, H. ^{[10
]}

Lanfranchi, J. C. ^{[4
,5
]}

Loebell, J. ^{[9
]}

Muenster, A. ^{[4
,5
]}

Pagliarone, C. ^{[3
]}

Petricca, F. ^{[1
]}

Potzel, W. ^{[4
,5
]}

Proebst, F. ^{[1
]}

Reindl, F. ^{[1
]}

Schaffner, K. ^{[3
]}

Schieck, J. ^{[7
,8
]}

Schoenert, S. ^{[4
,5
]}

Seidel, W. ^{[1
]}

Stodolsky, L. ^{[1
]}

Strandhagen, C. ^{[9
]}

Strauss, R. ^{[1
]}

Tanzke, A. ^{[1
]}

Trinh Thi, H. H. ^{[4
,5
]}

Tuerkoglu, C. ^{[7
,8
]}

Uffinger, M. ^{[9
]}

Ulrich, A. ^{[4
,5
]}

Usherov, I. ^{[9
]}

Wawoczny, S. ^{[4
,5
]}

Willers, M. ^{[4
,5
]}

Wuestrich, M. ^{[1
]}

Zoeller, A. ^{[4
,5
]}

机构：

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

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

[3] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Assergi, Italy

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

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

[6] Walther Meissner Inst Tieftemp Forsch, D-85748 Garching, Germany

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

[8] Vienna Univ Technol, Atominst, A-1020 Vienna, Austria

[9] Univ Tubingen, D-72076 Tubingen, Germany

[10] Univ Oxford, Dept Phys, Oxford OX1 3RH, England

来源：

EUROPEAN PHYSICAL JOURNAL C | 2016年 / 76卷 / 01期

关键词：

SEARCH;

D O I：

10.1140/epjc/s10052-016-3877-3

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：

The CRESST-II experiment uses cryogenic detectors to search for nuclear recoil events induced by the elastic scattering of dark matter particles in CaWO4 crystals. Given the low energy threshold of our detectors in combination with light target nuclei, low mass dark matter particles can be probed with high sensitivity. In this letter we present the results from data of a single detector module corresponding to 52 kg live days. A blind analysis is carried out. With an energy threshold for nuclear recoils of 307eV we substantially enhance the sensitivity for light dark matter. Thereby, we extend the reach of direct dark matter experiments to the sub-GeV/c(2) region and demonstrate that the energy threshold is the key parameter in the search for low mass dark matter particles.

引用

页数：8

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