90 citations · 306 across the 13 of their papers we have counts for
12 papers
Few-electron highly charged muonic Ar atoms verified by electronic x rays
T. Okumura, T. Azuma, D. A. Bennett +40
Electronic x rays emitted by muonic Ar atoms in the gas phase were observed using a superconducting transition-edge-sensor microcalorimeter. The high-precision energy spectra p…
Kinetic inductance current sensor for visible to near-infrared wavelength transition-edge sensor readout
Paul Szypryt, Douglas A. Bennett, Ian Fogarty Florang +12
Single-photon detectors based on the superconducting transition-edge sensor are used in a number of visible to near-infrared applications, particularly for photon-number-resolving…
Spectroscopic measurements and models of energy deposition in the substrate of quantum circuits by natural ionizing radiation
Joseph W. Fowler, Paul Szypryt, Raymond Bunker +16
Naturally occurring background radiation is a source of correlated decoherence events in superconducting qubits that will challenge error-correction schemes. To characterize the ra…
A Transition-edge Sensor-based X-ray Spectrometer for the Study of Highly Charged Ions at the National Institute of Standards and Technology Electron Beam Ion Trap
P. Szypryt, G. C. O'Neil, E. Takacs +15
We report on the design, commissioning, and initial measurements of a Transition-edge Sensor (TES) x-ray spectrometer for the Electron Beam Ion Trap (EBIT) at the National Institut…
A Highly Linear Calibration Metric for TES X-ray Microcalorimeters
C. G. Pappas, J. W. Fowler, D. A. Bennett +6
Transition-edge sensor X-ray microcalorimeters are usually calibrated empirically, as the most widely-used calibration metric, optimal filtered pulse height (OFPH), in general has…
Approaches to the Optimal Nonlinear Analysis of Microcalorimeter Pulses
J. W. Fowler, C. G. Pappas, B. K. Alpert +4
We consider how to analyze microcalorimeter pulses for quantities that are nonlinear in the data, while preserving the signal-to-noise advantages of lin- ear optimal filtering. We…
Measuring the electron neutrino mass with improved sensitivity: the HOLMES experiment
A. Giachero, B. Alpert, D. Becker +39
HOLMES is a new experiment aiming at directly measuring the neutrino mass with a sensitivity below 2 eV. HOLMES will perform a calorimetric measurement of the energy released in th…
When "Optimal Filtering" Isn't
J. W. Fowler, B. K. Alpert, W. B. Doriese +8
The so-called "optimal filter" analysis of a microcalorimeter's x-ray pulses is statistically optimal only if all pulses have the same shape, regardless of energy. The shapes of pu…
Absolute Energy Calibration of X-ray TESs with 0.04 eV Uncertainty at 6.4 keV in a Hadron-Beam Environment
H. Tatsuno, W. B. Doriese, D. A. Bennett +31
A performance evaluation of superconducting transition-edge sensors (TESs) in the environment of a pion beam line at a particle accelerator is presented. Averaged across the 209 fu…
The Practice of Pulse Processing
J. W. Fowler, B. K. Alpert, W. B. Doriese +4
The analysis of data from x-ray microcalorimeters requires great care; their excellent intrinsic energy resolution cannot usually be achieved in practice without a statistically ne…
Transition-Edge Sensors for Particle Induced X-ray Emission Measurements
M. R. J. Palosaari, K. M. Kinnunen, J. Julin +10
In this paper we present a new measurement setup, where a transitionedge sensor detector array is used to detect X-rays in particle induced X-ray emission measurements with a 2 MeV…
Optimization and analysis of code-division multiplexed TES microcalorimeters
J. W. Fowler, W. B. Doriese, G. C. Hilton +6
We are developing code-division multiplexing (CDM) systems for transition-edge sensor arrays with the goal of reaching multiplexing factors in the hundreds. We report on x-ray meas…