SPT-SLIM: A Line Intensity Mapping Pathfinder for the South Pole Telescope

被引：22

作者：

Karkare, K. S. ^{[1
,2
]}

Anderson, A. J. ^{[2
]}

Barry, P. S. ^{[1
,3
,4
,5
]}

Benson, B. A. ^{[1
,2
,4
]}

Carlstrom, J. E. ^{[1
,3
,4
]}

Cecil, T. ^{[3
]}

Chang, C. L. ^{[1
,3
,4
]}

Dobbs, M. A. ^{[6
,7
]}

Hollister, M. ^{[2
]}

Keating, G. K. ^{[8
]}

Marrone, D. P. ^{[9
]}

McMahon, J. ^{[1
,4
,10
]}

Montgomery, J. ^{[6
,7
]}

Pan, Z. ^{[3
]}

Robson, G. ^{[5
]}

Rouble, M. ^{[6
,7
]}

Shirokoff, E. ^{[1
,4
]}

Smecher, G. ^{[11
]}

机构：

[1] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[2] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA

[3] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

[4] Univ Chicago, Dept Astron & Astrophys, 5640 S Ellis Ave, Chicago, IL 60637 USA

[5] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, Wales

[6] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[7] McGill Univ, McGill Space Inst, Montreal, PQ H3A 2T8, Canada

[8] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[9] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

[10] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[11] Three Speed Log Inc, Victoria, BC V8S 3Z5, Canada

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2022年 / 209卷 / 5-6期

基金：

美国国家科学基金会;

关键词：

SPT-SLIM; South Pole Telescope; Line intensity mapping; Spectrometer; Kinetic inductance detectors;

D O I：

10.1007/s10909-022-02702-2

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The South Pole Telescope Summertime Line Intensity Mapper (SPT-SLIM) is a pathfinder experiment that will demonstrate the use of on-chip filter-bank spectrometers for mm-wave line intensity mapping. The SPT-SLIM focal plane consists of 18 dual-polarization filter-bank spectrometers covering 120-180 GHz with resolving power of 300, coupled to aluminum kinetic inductance detectors. A compact cryostat holds the detectors at 100 mK. SPT-SLIM will be deployed to the 10-m South Pole Telescope for observations during the 2023-2024 austral summer without removing the primary receiver. We discuss the overall instrument design, expected detector performance, and sensitivity to the carbon monoxide line signal at 0.5 < z < 2. The technology and observational techniques demonstrated by SPT-SLIM will enable next-generation line intensity mapping experiments that constrain cosmology beyond the redshift reach of galaxy surveys.

引用

页码：758 / 765

页数：8

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