CMB-S4实验:项目概述和现状

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X Pub Date : 2020-12-13 DOI:10.1117/12.2561547

A. Bender

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引用次数: 0

摘要

CMB- s4是一项计划中的地面实验，其科学影响从宇宙微波背景(CMB)的转换测量到覆盖大部分天空的深层传统毫米波长数据集。为了实现其雄心勃勃的目标，CMB-S4计划在阿塔卡马沙漠(可以看到大部分天空)和南极(用于有针对性的深场观测)安装小口径(0.55米)和大口径(6米)望远镜。总共超过50万个超导探测器将分布在这些望远镜上，从而实现灵敏度的必要飞跃。在这次演讲中，我将概述CMB-S4。我将重点介绍它的一些科学机会，以及介绍驱动技术考虑和当前的实验设计。

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The CMB-S4 experiment: Project overview and status

CMB-S4 is a planned ground-based experiment with scientific impacts reaching from transformative measurements of the cosmic microwave background (CMB) to a deep legacy millimeter-wavelength dataset covering a large fraction of the sky. To meet its ambitious goals, CMB-S4 plans to have small-aperture (0.55-meter) and large-aperture (6-meter) telescopes located both in the Atacama desert (to access a large fraction of are the sky) and at the South Pole (for targeted deep-field observations). A total of over 500,000 superconducting detectors will be distributed across these telescopes, enabling a necessary leap in sensitivity. In this talk, I will give an overview of CMB-S4. I will highlight some of its scientific opportunities as well as presenting the driving technical considerations and the current experimental design.

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Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X

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