Search Results - "Krafft, G. A."

Improving performance of inverse Compton sources through laser chirping by Terzi, B., Brown, A., Drebot, I., Hagerman, T., Johnson, E., Krafft, G. A., Maroli, C., Petrillo, V., Ruijter, M.

“…We present a new method for computation of radiation spectra in the non-linear regime of operation of inverse Compton sources characterized by high laser…”
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Scattered spectra from inverse Compton sources operating at high laser fields and high electron energies by Krafft, G. A., Terzić, B., Johnson, E., Wilson, G.

“…As Compton x-ray and gamma-ray sources become more prevalent, to understand their performance in a precise way, it becomes important to be able to compute the…”
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Simulation of inverse Compton scattering and its implications on the scattered linewidth by Ranjan, N., Terzić, B., Krafft, G. A., Petrillo, V., Drebot, I., Serafini, L.

“…Rising interest in inverse Compton sources has increased the need for efficient models that properly quantify the behavior of scattered radiation given a set…”
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Laser chirping in inverse Compton sources at high electron beam energies and high laser intensities by Terzić, B., McKaig, J., Johnson, E., Dharanikota, T., Krafft, G. A.

“…The onset of nonlinear effects, such as ponderomotive broadening, increases the radiation bandwidth and thereby places a stringent limitation on the laser…”
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Spectral distributions of thomson-scattered photons from high-intensity pulsed lasers by Krafft, G A

“…General formulas for the far-field spectral distribution of photons Thomson scattered by a single electron have been obtained. Effects due to the pulsed nature…”
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Laser pulsing in linear Compton scattering by Krafft, G. A., Johnson, E., Deitrick, K., Terzić, B., Kelmar, R., Hodges, T., Melnitchouk, W., Delayen, J. R.

“…Previous work on calculating energy spectra from Compton scattering events has either neglected considering the pulsed structure of the incident laser beam, or…”
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High-brilliance, high-flux compact inverse Compton light source by Deitrick, K. E., Krafft, G. A., Terzić, B., Delayen, J. R.

“…The Old Dominion University Compact Light Source (ODU CLS) design concept is presented—a compact Inverse Compton Light Source (ICLS) with flux and brilliance…”
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Thermal emittance and lifetime of alkali-antimonide photocathodes grown on GaAs and molybdenum substrates evaluated in a − 300    kV dc photogun by Wang, Y., Mamun, M. A., Adderley, P., Bullard, B., Grames, J., Hansknecht, J., Hernandez-Garcia, C., Kazimi, R., Krafft, G. A., Palacios-Serrano, G., Poelker, M., Stutzman, M. L., Suleiman, R., Tiefenback, M., Wijethunga, S., Yoskowitz, J., Zhang, S.

“…CsxKySbphotocathodes grown on GaAs and molybdenum substrates were evaluated using a−300kVdc high voltage photogun and diagnostic beam line. Photocathodes grown…”
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Compact − 300    kV dc inverted insulator photogun with biased anode and alkali-antimonide photocathode by Hernandez-Garcia, C., Adderley, P., Bullard, B., Benesch, J., Grames, J., Gubeli, J., Hannon, F., Hansknecht, J., Jordan, J., Kazimi, R., Krafft, G. A., Mamun, M. A., Poelker, M., Stutzman, M. L., Suleiman, R., Tiefenback, M., Wang, Y., Zhang, S., Baumgart, H., Palacios-Serrano, G., Wijethunga, S., Yoskowitz, J., Valerio Lizarraga, C. A., Montoya Soto, R., Canales Ramos, A.

“…This contribution describes the latest milestones of a multiyear program to build and operate a compact−300kVdc high voltage photogun with inverted insulator…”
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Amyloid- β peptide activates cultured astrocytes: morphological alterations, cytokine induction and nitric oxide release by Hu, Jingru, Akama, Keith T, Krafft, Grant A, Chromy, Brett A, Van Eldik, Linda J

“…A common feature of many neurodegenerative disorders is an abundance of activated glial cells (astrocytes and microglia). In Alzheimer's disease (AD),…”
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Improving inverse Compton sources by avoiding non-linearities by Terzi, B., Krafft, G. A., Petrillo, V., Drebot, I., Ruijter, M.

“…We present a new, more nuanced understanding of non-linear effects in inverse Compton sources. Deleterious non-linear effects can arise even at low laser…”
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Longitudinal phase space manipulation in energy recovering linac-driven free-electron lasers by Piot, P., Douglas, D. R., Krafft, G. A.

“…Energy recovering an electron beam after it has participated in a free-electron laser (FEL) interaction can be quite challenging because of the substantial…”
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Compact high-power terahertz radiation source by Krafft, G. A.

“…In this paper a new type of THz radiation source, based on recirculating an electron beam through a high gradient superconducting radio frequency cavity, and…”
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Spontaneous radiation emission from short, high field strength magnetic devices by Krafft, G. A.

“…Since the earliest papers on undulators were published, it has been known how to calculate the spontaneous emission spectrum from short undulators when the…”
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Amyloid-beta aggregation: selective inhibition of aggregation in mixtures of amyloid with different chain lengths by Snyder, S.W., Ladror, U.S., Wade, W.S., Wang, G.T., Barrett, L.W., Matayoshi, E.D., Huffaker, H.J., Krafft, G.A., Holzman, T.F.

“…One of the clinical manifestations of Alzheimer's disease is the deposition of the 39–43 residue amyloid-beta (A beta) peptide in aggregated fibrils in senile…”
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Dual-energy electron storage ring by Dhital, B., Derbenev, Y. S., Hutton, A., Zhang, H., Krafft, G. A., Zhang, Y., Lin, F., Morozov, V. S.

“…A dual-energy electron storage ring is a novel concept initially proposed to cool hadron beams at high energies. The design consists of two closed rings…”
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Diffusible, Nonfibrillar Ligands Derived from Aβ1-42are Potent Central Nervous System Neurotoxins by Lambert, M. P., Barlow, A. K., Chromy, B. A., Edwards, C., Freed, R., Liosatos, M., Morgan, T. E., Rozovsky, I., Trommer, B., Viola, K. L., Wals, P., Zhang, C., Finch, C. E., Krafft, G. A., Klein, W. L.

“…Aβ1-42is a self-associating peptide whose neurotoxic derivatives are thought to play a role in Alzheimer's pathogenesis. Neurotoxicity of amyloid β protein (Aβ…”
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Cleavage at the amino and carboxyl termini of Alzheimer's amyloid-beta by cathepsin D by LADROR, U. S, SNYDER, S. W, WANG, G. T, HOLZMAN, T. F, KRAFFT, G. A

“…Amyloid beta (A beta) is a 39-43-residue protein that originates from proteolysis of the beta-protein precursor (beta PP) and accumulates in senile plaques in…”
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Novel Fluorogenic Substrates for Assaying Retroviral Proteases by Resonance Energy Transfer by Matayoshi, Edmund D., Wang, Gary T., Krafft, Grant A., Erickson, John

“…The 11-kD protease (PR) encoded by the human immunodeficiency virus 1 (HIV-1) is essential for the correct processing of viral polyproteins and the maturation…”
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In vitro characterization of conditions for amyloid-beta peptide oligomerization and fibrillogenesis by Stine, Jr, W Blaine, Dahlgren, Karie N, Krafft, Grant A, LaDu, Mary Jo

“…Extensive research causally links amyloid-beta peptide (A beta) to Alzheimer's disease, although the pathologically relevant A beta conformation remains…”
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