BICEP/Keck
BICEP/Keck probes for primordial B-modes from cosmic inflation by measuring the CMB at the degree scale.
BICEP/Keck
Introduction
The BICEP/Keck collaboration develops, operates, and analyzes data from CMB polarization telescopes stationed at the South Pole. The South Pole is an ideal site for these telescopes due to its stable atmosphere, low humidity, and high elevation. The main goal for BICEP/Keck is to detect B-modes from primordial gravitational waves caused by cosmic inflation.
The BICEP Array telescope was deployed in the 2019-2020 season as the latest generation telescope, replacing Keck Array. BICEP Array consists of four receivers on a common mount: BA1 (30/40 GHz), BA2 (150 GHz), BA3 (95 GHz), and BA4 (220/270 GHz). BA1 was deployed in the 2019-2020 season along with the BICEP Array mount; BA2 will be deployed in 2022-2023, and BA4 in 2023-2024. Stanford is responsible for the commissioning of the BA4 receiver, as well as producing the refractive optics for the other receivers.
The Stanford BICEP/Keck group also plays a leading role in the mainline B-mode analysis, as well as other studies including delensing, large scale E-modes, atmospheric characterization, and galactic foregrounds.
BA4
BA4 is the 220/270 GHz receiver of the BICEP Array telescope, being commissioned at Stanford University.
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BICEP/Keck Data Analysis
The BICEP/Keck group at Stanford plays a leading role in the many BICEP analysis projects, including the mainline B-mode analysis and delensing.
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