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On-sky performance of the CLASS Q-band telescope
John W. Appel, Zhilei Xu, Ivan L. Padilla +34
The Cosmology Large Angular Scale Surveyor (CLASS) is mapping the polarization of the Cosmic Microwave Background (CMB) at large angular scales () in search of a…
Highly-multiplexed microwave SQUID readout using the SLAC Microresonator Radio Frequency (SMuRF) Electronics for Future CMB and Sub-millimeter Surveys
Shawn W. Henderson, Zeeshan Ahmed, Jason Austermann +29
The next generation of cryogenic CMB and submillimeter cameras under development require densely instrumented sensor arrays to meet their science goals. The readout of large number…
Status of the HOLMES Experiment to Directly Measure the Neutrino Mass
A. Nucciotti, B. Alpert, M. Balata +35
The assessment of neutrino absolute mass scale is still a crucial challenge in today particle physics and cosmology. Beta or electron capture spectrum end-point study is currently…
The Cosmology Large Angular Scale Surveyor Receiver Design
Jeffrey Iuliano, Joseph Eimer, Lucas Parker +42
The Cosmology Large Angular Scale Surveyor consists of four instruments performing a CMB polarization survey. Currently, the 40 GHz and first 90 GHz instruments are deployed and ob…
Design and characterization of the Cosmology Large Angular Scale Surveyor (CLASS) 93 GHz focal plane
Sumit Dahal, Aamir Ali, John W. Appel +44
The Cosmology Large Angular Scale Surveyor (CLASS) aims to detect and characterize the primordial B-mode signal and make a sample-variance-limited measurement of the optical depth…
Variable-delay Polarization Modulators for the CLASS Telescopes
Kathleen Harrington, Joseph Eimer, David T. Chuss +43
The search for inflationary primordial gravitational waves and the measurement of the optical depth to reionization, both through their imprint on the large angular scale correlati…
The EBEX Balloon Borne Experiment - Detectors and Readout
The EBEX Collaboration, Maximilian Abitbol, Asad M. Aboobaker +37
EBEX was a long-duration balloon-borne experiment to measure the polarization of the cosmic microwave background. The experiment had three frequency bands centered at 150, 250, and…
Results from the Atacama B-mode Search (ABS) Experiment
Akito Kusaka, John Appel, Thomas Essinger-Hileman +25
The Atacama B-mode Search (ABS) is an experiment designed to measure cosmic microwave background (CMB) polarization at large angular scales (). It operated from the ACT si…