Search Results - "Hastings, J B"

Imaging Molecular Motion: Femtosecond X-Ray Scattering of an Electrocyclic Chemical Reaction by Minitti, M P, Budarz, J M, Kirrander, A, Robinson, J S, Ratner, D, Lane, T J, Zhu, D, Glownia, J M, Kozina, M, Lemke, H T, Sikorski, M, Feng, Y, Nelson, S, Saita, K, Stankus, B, Northey, T, Hastings, J B, Weber, P M

“…Structural rearrangements within single molecules occur on ultrafast time scales. Many aspects of molecular dynamics, such as the energy flow through excited…”
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Two-Component Dynamics and the Liquidlike to Gaslike Crossover in Supercritical Water by Sun, Peihao, Hastings, J B, Ishikawa, Daisuke, Baron, Alfred Q R, Monaco, Giulio

“…Molecular-scale dynamics in sub- to supercritical water is studied with inelastic x-ray scattering and molecular dynamics simulations. The obtained…”
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X-ray second harmonic generation by Shwartz, S, Fuchs, M, Hastings, J B, Inubushi, Y, Ishikawa, T, Katayama, T, Reis, D A, Sato, T, Tono, K, Yabashi, M, Yudovich, S, Harris, S E

“…We report clear experimental evidence for second harmonic generation at hard x-ray wavelengths. Using a 1.7 Å pumping beam generated by a free electron laser,…”
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Ultrabright X-ray laser scattering for dynamic warm dense matter physics by Fletcher, L. B., Lee, H. J., Döppner, T., Galtier, E., Nagler, B., Heimann, P., Fortmann, C., LePape, S., Ma, T., Millot, M., Pak, A., Turnbull, D., Chapman, D. A., Gericke, D. O., Vorberger, J., White, T., Gregori, G., Wei, M., Barbrel, B., Falcone, R. W., Kao, C.-C., Nuhn, H., Welch, J., Zastrau, U., Neumayer, P., Hastings, J. B., Glenzer, S. H.

“…In megabar shock waves, materials compress and undergo a phase transition to a dense charged-particle system that is dominated by strong correlations and…”
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X-ray and optical wave mixing by Glover, T. E., Fritz, D. M., Cammarata, M., Allison, T. K., Coh, Sinisa, Feldkamp, J. M., Lemke, H., Zhu, D., Feng, Y., Coffee, R. N., Fuchs, M., Ghimire, S., Chen, J., Shwartz, S., Reis, D. A., Harris, S. E., Hastings, J. B.

“…Light–matter interactions are ubiquitous, and underpin a wide range of basic research fields and applied technologies. Although optical interactions have been…”
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Universal Two-Component Dynamics in Supercritical Fluids by Sun, Peihao, Hastings, J. B, Ishikawa, Daisuke, Baron, Alfred Q. R, Monaco, Giulio

“…Despite the technological importance of supercritical fluids, controversy remains about the details of their microscopic dynamics. In this work, we study four…”
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Structural changes across thermodynamic maxima in supercooled liquid tellurium: A water-like scenario by Sun, Peihao, Monaco, Giulio, Zalden, Peter, Sokolowski-Tinten, Klaus, Antonowicz, Jerzy, Sobierajski, Ryszard, Kajihara, Yukio, Baron, Alfred Q R, Fuoss, Paul, Chuang, Andrew Chihpin, Park, Jun-Sang, Almer, Jonathan, Hastings, J B

“…Liquid polymorphism is an intriguing phenomenon that has been found in a few single-component systems, the most famous being water. By supercooling liquid Te…”
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X-ray parametric down-conversion in the Langevin regime by Shwartz, S, Coffee, R N, Feldkamp, J M, Feng, Y, Hastings, J B, Yin, G Y, Harris, S E

“…We experimentally and theoretically study the coincidence count rate for down-converted x-ray photons. Because of photoionization, parametric down-conversion…”
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Ultrafast Bond Softening in Bismuth: Mapping a Solid's Interatomic Potential with X-rays by Fritz, D.M, Reis, D.A, Adams, B, Akre, R.A, Arthur, J, Blome, C, Bucksbaum, P.H, Cavalieri, A.L, Engemann, S, Fahy, S, Falcone, R.W, Fuoss, P.H, Gaffney, K.J, George, M.J, Hajdu, J, Hertlein, M.P, Hillyard, P.B, Horn-von Hoegen, M, Kammler, M, Kaspar, J, Kienberger, R, Krejcik, P, Lee, S.H, Lindenberg, A.M, McFarland, B, Meyer, D, Montagne, T, Murray, É.D, Nelson, A.J, Nicoul, M, Pahl, R, Rudati, J, Schlarb, H, Siddons, D.P, Sokolowski-Tinten, K, Tschentscher, Th, Linde, D. von der, Hastings, J.B

“…Intense femtosecond laser excitation can produce transient states of matter that would otherwise be inaccessible to laboratory investigation. At high…”
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Anomalous two-photon Compton scattering by Kettle, B, Aquila, A, Boutet, S, Bucksbaum, P H, Carini, G, Feng, Y, Gamboa, E, Ghimire, S, Glenzer, S, Hart, P, Hastings, J B, Henighan, T, Hunter, M, Koglin, J, Kozina, M, Liu, H, MacDonald, M J, Trigo, M, Reis, D A, Fuchs, M

“…Abstract X-ray free-electron lasers can generate radiation pulses with extreme peak intensities at short wavelengths. This enables the investigation of…”
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Tracking the density evolution in counter-propagating shock waves using imaging X-ray scattering by Zastrau, U., Gamboa, E. J., Kraus, D., Benage, J. F., Drake, R. P., Efthimion, P., Falk, K., Falcone, R. W., Fletcher, L. B., Galtier, E., Gauthier, M., Granados, E., Hastings, J. B., Heimann, P., Hill, K., Keiter, P. A., Lu, J., MacDonald, M. J., Montgomery, D. S., Nagler, B., Pablant, N., Schropp, A., Tobias, B., Gericke, D. O., Glenzer, S. H., Lee, H. J.

“…We present results from time-resolved X-ray imaging and inelastic scattering on collective excitations. These data are then employed to infer the mass density…”
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Atomic-Scale Visualization of Inertial Dynamics by Lindenberg, A. M, Larsson, J, Sokolowski-Tinten, K, Gaffney, K. J, Blome, C, Synnergren, O, Sheppard, J, Caleman, C, MacPhee, A. G, Weinstein, D, Lowney, D. P, Allison, T. K, Matthews, T, Falcone, R. W, Cavalieri, A. L, Fritz, D. M, Lee, S. H, Bucksbaum, P. H, Reis, D. A, Rudati, J, Fuoss, P. H, Kao, C. C, Siddons, D. P, Pahl, R, Als-Nielsen, J, Duesterer, S, Ischebeck, R, Schlarb, H, Schulte-Schrepping, H, Tschentscher, Th, Schneider, J, von der Linde, D, Hignette, O, Sette, F, Chapman, H. N, Lee, R. W, Hansen, T. N, Techert, S, Wark, J. S, Bergh, M, Huldt, G, van der Spoel, D, Timneanu, N, Hajdu, J, Akre, R. A, Bong, E, Krejcik, P, Arthur, J, Brennan, S, Luening, K, Hastings, J. B

“…The motion of atoms on interatomic potential energy surfaces is fundamental to the dynamics of liquids and solids. An accelerator-based source of femtosecond…”
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Clocking femtosecond X rays by CAVALIERI, A. L, FRITZ, D. M, SIDDONS, D. P, LOWNEY, D. P, MACPHEE, A. G, WEINSTEIN, D, FALCONE, R. W, PAHL, R, ALS-NIELSEN, J, BLOME, C, DÜSTERER, S, ISCHEBECK, R, LEE, S. H, SCHLARB, H, SCHULTE-SCHREPPING, H, TSCHENTSCHER, Th, SCHNEIDER, J, HIGNETTE, O, SETTE, F, SOKOLOWSKI-TINTEN, K, CHAPMAN, H. N, LEE, R. W, HANSEN, T. N, BUCKSBAUM, P. H, SYNNERGREN, O, LARSSON, J, TECHERT, S, SHEPPARD, J, WARK, J. S, BERGH, M, CALEMAN, C, HULDT, G, VAN DER SPOEL, D, TIMNEANU, N, REIS, D. A, HAJDU, J, AKRE, R. A, BONG, E, EMMA, P, KREJCIK, P, ARTHUR, J, BRENNAN, S, GAFFNEY, K. J, LINDENBERG, A. M, LUENING, K, RUDATI, J, HASTINGS, J. B, MILLS, D. M, FUOSS, P. H, STEPHENSON, G. B, KAO, C. C

“…Linear-accelerator-based sources will revolutionize ultrafast x-ray science due to their unprecedented brightness and short pulse duration. However,…”
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X-ray diffuse scattering measurements of nucleation dynamics at femtosecond resolution by Lindenberg, A M, Engemann, S, Gaffney, K J, Sokolowski-Tinten, K, Larsson, J, Hillyard, P B, Reis, D A, Fritz, D M, Arthur, J, Akre, R A, George, M J, Deb, A, Bucksbaum, P H, Hajdu, J, Meyer, D A, Nicoul, M, Blome, C, Tschentscher, Th, Cavalieri, A L, Falcone, R W, Lee, S H, Pahl, R, Rudati, J, Fuoss, P H, Nelson, A J, Krejcik, P, Siddons, D P, Lorazo, P, Hastings, J B

“…Femtosecond time-resolved small and wide angle x-ray diffuse scattering techniques are applied to investigate the ultrafast nucleation processes that occur…”
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Observation of structural anisotropy and the onset of liquidlike motion during the nonthermal melting of InSb by GAFFNEY, K. J, LINDENBERG, A. M, LOWNEY, D. P, ALLISON, T, MATTHEWS, T, FALCONE, R. W, CAVALIERI, A. L, FRITZ, D. M, LEE, S. H, BUCKSBAUM, P. H, REIS, D. A, RUDATI, J, LARSSON, J, MACRANDER, A. T, FUOSS, P. H, KAO, C. C, SIDDONS, D. P, PAHL, R, MOFFAT, K, ALS-NIELSEN, J, DUESTERER, S, ISCHEBECK, R, SCHLARB, H, SOKOLOWSKI-TINTEN, K, SCHULTE-SCHREPPING, H, SCHNEIDER, J, VON DER LINDE, D, HIGNETTE, O, SETTE, F, CHAPMAN, H. N, LEE, R. W, HANSEN, T. N, WARK, J. S, BERGH, M, BLOME, C, HULDT, G, VAN DER SPOEL, D, TIMNEANU, N, HAJDU, J, AKRE, R. A, BONG, E, KREJCIK, P, ARTHUR, J, BRENNAN, S, LUENING, K, SYNNERGREN, O, HASTINGS, J. B, SHEPPARD, J, CALEMAN, C, MACPHEE, A. G, WEINSTEIN, D

“…The melting dynamics of laser excited InSb have been studied with femtosecond x-ray diffraction. These measurements observe the delayed onset of diffusive…”
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Elimination of the inner-shell lifetime broadening in X-ray-absorption spectroscopy by HAMALAINEN, K, SIDDONS, D. P, HASTINGS, J. B, BERMAN, L. E

“…A novel method to measure x-ray-absorption spectra without the inner-shell lifetime broadening is presented. It is based on a high-resolution spectrometer…”
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An approach for the measurement of the bulk temperature of single crystal diamond using an X-ray free electron laser by Descamps, A., Ofori-Okai, B. K., Appel, K., Cerantola, V., Comley, A., Eggert, J. H., Fletcher, L. B., Gericke, D. O., Göde, S., Humphries, O., Karnbach, O., Lazicki, A., Loetzsch, R., McGonegle, D., Palmer, C. A. J., Plueckthun, C., Preston, T. R., Redmer, R., Senesky, D. G., Strohm, C., Uschmann, I., White, T. G., Wollenweber, L., Monaco, G., Wark, J. S., Hastings, J. B., Zastrau, U., Gregori, G., Glenzer, S. H., McBride, E. E.

“…We present a method to determine the bulk temperature of a single crystal diamond sample at an X-Ray free electron laser using inelastic X-ray scattering. The…”
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High-resolution manganese x-ray fluorescence spectroscopy. Oxidation-state and spin-state sensitivity by Peng, G, deGroot, F. M. F, Haemaelaeinen, K, Moore, J. A, Wang, X, Grush, M. M, Hastings, J. B, Siddons, D. P, Armstrong, W. H

“…K,[beta] X-ray emission spectra have been recorded for Mn(II), Mn(III), and Mn(IV) compounds with a variety of ligands. The spectra have been interpreted and…”
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Sagittal focusing of high-energy synchrotron X-rays with asymmetric Laue crystals. II. Experimental studies by Zhong, Z., Kao, C. C., Siddons, D. P., Hastings, J. B.

“…The use of bent asymmetric Laue crystals to focus synchrotron X‐rays sagittally from 15 to 50 keV is described. A four‐bar bender, bending a rectangular planar…”
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Reply to: Reconsidering X-ray plasmons by Fletcher, L. B., Lee, H. J., Döppner, T., Galtier, E., Nagler, B., Heimann, P., Fortmann, C., LePape, S., Ma, T., Millot, M., Pak, A., Turnbull, D., Chapman, D. A., Gericke, D. O., Vorberger, J., White, T., Gregori, G., Wei, M., Barbrel, B., Falcone, R. W., Kao, C.-C., Nuhn, H., Welch, J., Zastrau, U., Neumayer, P., Hastings, J. B., Glenzer, S. H.

“…In this response we show a spectral and X-ray intensity analysis that unequivocally proves a spectrally resolved plasmon reported in ref. 1. The analysis takes…”
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