SNAP Reports

DOE Review of SNAP Experiment, (Appendices) (July 2002)

DOE Review of the SNAP Experiment (January 2001)

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Highlights

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(a-d) Atomic force microscopy (AFM) images of niobium (Nb) based superconducting qubits at (a,c) room temperature and (b,d) cryogenic temperatures. At low temperatures, the “hills” represent the formation of niobium hydrides.

Spotting a New Culprit in the Hunt for Quantum Noise

Microscopes, x-rays, and spectroscopy tools join forces to identify defects that interfere with delicate superconducting qubit properties.

In nuclear beta decay an up quark ‘u’ in a proton converts into an up down quark ‘d,’ turning the proton into a neutron and emitting a positron and a neutrino. This work affects interpretation of beta decay measurements across the chart of nuclides.

New Precise Calculation of Nuclear Beta Decays Paves the Way to Uncover Physics Beyond the Standard Model

Theorists identify new effects needed to compute the nuclear beta decay rate with a precision of a few parts in ten thousand.

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