Search Results - "Porter, F.S."

Operation of an ADR using helium exchange gas as a substitute for a failed heat switch by Shirron, P., DiPirro, M., Kimball, M., Sneiderman, G., Porter, F.S., Kilbourne, C., Kelley, R., Fujimoto, R., Yoshida, S., Takei, Y., Mitsuda, K.

“…•A 3-stage ADR was built for the Soft X-ray Spectrometer instrument on Astro-H, scheduled for launch in late 2015.•The failure of one of the ADR’s four heat…”
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Non-linear effects in transition edge sensors for X-ray detection by Bandler, S.R., Figueroa-Feliciano, E., Iyomoto, N., Kelley, R.L., Kilbourne, C.A., Murphy, K.D., Porter, F.S., Saab, T., Sadleir, J.

“…In a microcalorimeter that uses a transition-edge sensor to detect energy depositions, the small signal energy resolution improves with decreasing heat…”
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Development of Position-Sensitive Transition-Edge Sensor X-Ray Detectors by Smith, S.J., Bandler, S.R., Brekosky, R.P., Brown, A.-D., Chervenak, J.A., Eckart, M.E., Figueroa-Feliciano, E., Finkbeiner, F.M., Kelley, R.L., Kilbourne, C.A., Porter, F.S., Sadleir, J.E.

“…We report on the development of position-sensitive transition-edge sensors (PoST's) for future X-ray astronomy missions such as the International X-ray…”
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Heat Sinking, Crosstalk, and Temperature Uniformity for Large Close-Packed Microcalorimeter Arrays by Iyomoto, N., Bandler, S.R., Brekosky, R.P., Brown, A.-D., Chervenak, J.A., Eckart, M.E., Finkbeiner, F.M., Kelley, R.L., Kilbourne, C.A., Porter, F.S., Sadleir, J.E., Smith, S.J.

“…In a large close-packed array of x-ray microcalorimeters, sufficient heat sinking is important to minimize thermal crosstalk between pixels and to make the…”
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Suzaku observations of charge exchange emission from solar system objects by Ezoe, Y., Fujimoto, R., Yamasaki, N.Y., Mitsuda, K., Ohashi, T., Ishikawa, K., Oishi, S., Miyoshi, Y., Terada, N., Futaana, Y., Porter, F.S., Brown, G.V.

“…Recent results of charge exchange emission from solar system objects observed with the Japanese Suzaku satellite are reviewed. Suzaku is of great importance to…”
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Micro-X, the TES X-ray Imaging Rocket: First Year Progress by Wikus, P., Rutherford, J.M., Adams, J.S., Bagdasarova, Y., Bandler, S.R., Bautz, M., Boyce, K., Brown, G., Deiker, S., Doriese, W.B., Figueroa-Feliciano, E., Flanagan, K., Galeazzi, M., Hilton, G.C., Hwang, U., Irwin, K.D., Kelley, R.L., Kallman, T., Kilbourne, C.A., Kissel, S., Leman, S.W., Levine, A., Loewenstein, M., Martinez-Galarce, D., Mushotzky, R., McCammon, D., Najjar, D., Petre, R., Porter, F.S., Reintsema, C.D., Saab, T., Schulz, N., Serlemitsos, P., Smith, R., Ullom, J.N., Yoha, K.

“…Micro-X is a sounding-rocket experiment that will combine a transition edge sensor (TES) microcalorimeter array with an imaging mirror to obtain…”
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Cosmic ray effects in microcalorimeter arrays by Stahle, C.K., Boyce, K.R., Brown, G.V., Cottam, J., Figueroa-Feliciano, E., Galeazzi, M., Kelley, R.L., McCammon, D., Porter, F.S., Szymkowiak, A.E., Tillotson, W.A.

“…We have identified signals resulting from cosmic rays and environmental gamma rays depositing energy in the pixels and in the silicon frame of the…”
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The origin of the local 1/4-keV X-ray flux in both charge exchange and a hot bubble by Galeazzi, M., Chiao, M., Collier, M. R., Cravens, T., Koutroumpa, D., Kuntz, K. D., Lallement, R., Lepri, S. T., McCammon, D., Morgan, K., Porter, F. S., Robertson, I. P., Snowden, S. L., Thomas, N. E., Uprety, Y., Ursino, E., Walsh, B. M.

“…The contribution of solar-wind ions exchanging electrons with helium and hydrogen near the Sun is shown to be only about 40 per cent of the 1/4-keV X-ray flux…”
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Refinement of Transition-Edge Sensor Dimensions for the X-Ray Integral Field Unit on ATHENA by Wakeham, N.A., Adams, J.S., Bandler, S.R., Beaumont, S., Chervenak, J.A., Cumbee, R.S., Finkbeiner, F.M., Ha, J.Y., Hull, S., Kelley, R.L., Kilbourne, C.A., Porter, F.S., Sakai, K., Smith, S.J., Wassell, E.J., Yoon, S.

“…At NASA Goddard Space Flight Center, we have previously demonstrated a kilo-pixel array of transition-edge sensor (TES) microcalorimeters capable of meeting…”
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The microcalorimeter spectrometer on the ASTRO-E X-ray observatory by Kelley, R.L, Audley, M.D, Boyce, K.R, Fujimoto, R, Gendreau, K.C, Ishisaki, Y, McCammon, D, Mihara, T, Mitsuda, K, Moseley, S.H, Mott, D.B, Porter, F.S, Stahle, C.K, Szymkowiak, A.E

“…The Astro-E Observatory will employ a high-resolution X-ray spectrometer based on a 32 pixel array of microcalorimeters with an energy resolution of about 12…”
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Effect of Space Radiation on Transition-Edge Sensor Detectors Performance by Beaumont, S., Lauenstein, J.-M., Adams, J.S., Bandler, S.R., Chervenak, J.A., Finkbeiner, F.M., Hull, S.V., Kelley, R.L., Kilbourne, C.A., Roch, A. Le, Muramatsu, H., Porter, F.S., Sakai, K., Smith, S.J., Wakeham, N.A., Wassell, E.J., Yoon, S.

“…The Athena mission and its X-ray Integral Field Unit (X-IFU) instrument will be positioned at the Sun-Earth Lagrange point L1, where it will be subject to…”
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Examination of heatsinking in thermally multiplexed TES arrays with buried wiring by Muramatsu, H., Adams, J.S., Bandler, S.R., Beaumont, S., Borrelli, R.B., Chervenak, J. A., Chang, M.P, Finkbeiner, F.M, Ha, J.Y., Hull, S., Kelley, R.L., Kilbourne, C.A., Mateo, J.N., Porter, F.S., Rani, A., Ryu, K., Sakai, K., Smith, S.J., Wakeham, N.A, Wassell, E.J., Yoon, S.H.

“…It is now possible to fabricate stacks of buried wires with extremely high density, perfect yield, and many layers using fine-line lithography and chemical…”
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A new benchmark of soft X-ray transition energies of Ne, CO2, and SF6: paving a pathway towards ppm accuracy by Stierhof, J., Kühn, S., Winter, M., Micke, P., Steinbrügge, R., Shah, C., Hell, N., Bissinger, M., Hirsch, M., Ballhausen, R., Lang, M., Gräfe, C., Wipf, S., Cumbee, R., Betancourt-Martinez, G. L., Park, S., Niskanen, J., Chung, M., Porter, F. S., Stöhlker, T., Pfeifer, T., Brown, G. V., Bernitt, S., Hansmann, P., Wilms, J., Crespo López-Urrutia, J. R., Leutenegger, M. A.

“…A key requirement for the correct interpretation of high-resolution X-ray spectra is that transition energies are known with high accuracy and precision. We…”
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Energy-dependent excitation cross section measurements of the diagnostic lines of Fe XVII by Brown, G V, Beiersdorfer, P, Chen, H, Scofield, J H, Boyce, K R, Kelley, R L, Kilbourne, C A, Porter, F S, Gu, M F, Kahn, S M, Szymkowiak, A E

“…By implementing a large-area, gain-stabilized microcalorimeter array on an electron beam ion trap, the electron-impact excitation cross sections for the…”
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Laboratory Simulation of Charge Exchange-Produced X-ray Emission from Comets by Beiersdorfer, P., Boyce, K. R., Brown, G. V., Chen, H., Kahn, S. M., Kelley, R. L., May, M., Olson, R. E., Porter, F. S., Stahle, C. K., Tillotson, W. A.

“…In laboratory experiments using the engineering spare microcalorimeter detector from the ASTRO-E satellite mission, we recorded the x-ray emission of highly…”
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Suppression of extrinsic resolution limiting factors in epitaxial superconducting tunnel junction detectors by Porter, F.S., Van Vechten, D., Blamire, M.G., Kirk, E.C.G.

“…Superconducting tunnel junctions have been shown to have potential as high resolution X-ray detectors. Recent reductions in the noise environment of our…”
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Prototyping a global soft X-ray imaging instrument for heliophysics, planetary science, and astrophysics science by Collier, M.R., Porter, F.S., Sibeck, D.G., Carter, J.A., Chiao, M.P., Chornay, Dj, Cravens, T., Galeazzi, M., Keller, J.W., Koutroumpa, D., Kuntz, K., Read, A.M., Robertson, I.P., Sembay, S., Snowden, S., Thomas, N.

“…We describe current progress in the development of a prototype wide field‐of‐view soft X‐ray imager that employs Lobster‐eye optics and targets heliophysics,…”
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MARE, Microcalorimeter Arrays for a Rhenium Experiment: A detector overview by Andreotti, E., Arnaboldi, C., de Bernardis, P., Beyer, J., Brofferio, C., Calvo, M., Capelli, S., Cremonesi, O., Enss, C., Fiorini, E., Fleischmann, A., Foggetta, L., Galeazzi, M., Gallinaro, G., Gastaldo, L., Gatti, F., Giuliani, A., Gorla, P., Heeger, K., Irwin, K.D., Kelley, R., Kilbourne, C.A., Margesin, B., Maruyama, R., Masi, S., McCammon, D., Monfardini, A., Nones, C., Nucciotti, A., Pavan, M., Pedretti, M., Pergolesi, D., Pessina, G., Petcov, S., Porter, F.S., Prest, M., Previtali, E., Repetto, P., Ribeiro-Gomez, M., Sangiorgio, S., Schaeffer, D., Sisti, M.

“…We describe and discuss the features of MARE, an experiment based on arrays of rhenium low temperature microcalorimeters that have the potential to bring the…”
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The microcalorimeter arrays for a rhenium experiment (MARE): A next-generation calorimetric neutrino mass experiment by Monfardini, A., Arnaboldi, C., Brofferio, C., Capelli, S., Capozzi, F., Cremonesi, O., Enss, C., Fiorini, E., Fleischmann, A., Foggetta, L., Gallinaro, G., Gastaldo, L., Gatti, F., Giuliani, A., Gorla, P., Kelley, R., Kilbourne, C.A., Margesin, B., McCammon, D., Nones, C., Nucciotti, A., Pavan, M., Pedretti, M., Pergolesi, D., Pessina, G., Porter, F.S., Prest, M., Previtali, E., Repetto, P., Ribeiro-Gomez, M., Sangiorgio, S., Sisti, M.

“…Neutrino oscillation experiments have proved that neutrinos are massive particles, but cannot determine their absolute mass scale. Therefore the neutrino mass…”
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High resolution X-ray microcalorimeters by Porter, F.S., Kelley, R.L., Kilbourne, C.A.

“…Recently we have produced X-ray microcalorimeters with resolving powers approaching 2000 at 5.9 keV using a spare XRS microcalorimeter array. In these…”
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