R. Tat

MEOP based 3He polarization and injection system for experiments below 1 K

T. Rao, L. Barrón-Palos, I. B. Berkutov, Christopher Crawford et autres

Abstract Metastability exchange optical pumping (MEOP) is a widely used technique for producing polarized 3He. In connection with an experiment to search for the electric dipole moment of the neutron (nEDM) we have built a MEOP based 3He polarization and injection system …

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MEOP based 3He polarization and injection system for experiments below 1 K

T. Rao, L. Barrón-Palos, I. B. Berkutov, Christopher Crawford et autres

Metastability exchange optical pumping (MEOP) is a widely used technique for producing polarized $^{3}$He. In connection with an experiment to search for the electric dipole moment of the neutron (nEDM) we have built a MEOP based $^{3}$He polarization and injection system to …

Quantum control of two critically dressed spin-1/2 species in magnetic fluctuations

R. Tat, Christopher Swank

The neutron electric dipole moment experiment at the Spallation Neutron Source (nEDM@SNS experiment) proposes to measure the nEDM using the spin-dependent capture cross section of neutrons on $^{3}\mathrm{He}$. The critical dressing mode of this experiment uses an oscillating magnetic field to dress …

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A cryogenic continuously rotating half-wave plate mechanism for the POLARBEAR-2b cosmic microwave background receiver

Charles A. Hill, A. Kusaka, Peter Ashton, Paul Barton et autres

We present the design and laboratory evaluation of a cryogenic continuously rotating half-wave plate (CHWP) for the POLARBEAR-2b (PB-2b) cosmic microwave background receiver, the second installment of the Simons Array. PB-2b will observe at 5200 m elevation in the Atacama Desert of …

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The POLARBEAR-2 and Simons Array Focal Plane Fabrication Status

Benjamin Westbrook, P. A. R. Ade, Mario Aguilar, Y. Akiba et autres

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Electrical characterization and tuning of the integrated POLARBEAR-2a focal plane and readout (Conference Presentation)

Darcy Barron, Kam Arnold, T. Elleflot, J. C. Groh et autres

POLARBEAR is a cosmic microwave background (CMB) polarization experiment located in the Atacama desert in Chile. The science goals of the POLARBEAR project are to do a deep search for CMB B-mode polarization created by inflationary gravitational waves, as well as characterize …

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A Large-Diameter Cryogenic Rotation Stage for Half-Wave Plate Polarization Modulation on the POLARBEAR-2 Experiment

Charles A. Hill, A. Kusaka, Paul Barton, Bryce Bixler et autres

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CMB Data Analysis and Selection for POLARBEAR-2

R. Tat