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Search Publications by: Lawrence T. Hudson (Assoc)

Displaying 76 - 100 of 102

X-Ray Spectroscopy and Calibrations in the 50 eV to 60 keV, ed. by B. Barber, H. Roehrig, P. Doty, L. Porter, and E. Morton

January 1, 2002

Author(s)

J Seely, Lawrence T. Hudson, J L. Weaver, G E. Holland, C N. Boyer

X-Ray Spectra in the 12- to 60- keV Energy Range From Plasmas Produced by the OMEGA Laser

November 1, 2001

Author(s)

J Seely, R Deslattes, Lawrence T. Hudson, G Holland, R Atkin, D D. Meyerhofer, C Stoeckl

X-ray spectra in the energy range (12 to 60) keV were recorded by a transmission crystal spectrometer from targets irradiated by the 60 beam, difference} 30 kJ, OMEGA laser. The targets consisted of planar silver and goldfoils, spherical gold targets, and

Hard X-Ray Spectrometers for the National Ignition Facility

June 1, 2001

Author(s)

J Seely, C Back, R Deslattes, Lawrence T. Hudson, G Holland, P Bell, M Miller

A National Ignition Facility (NIF) core diagnostic instrument has been designed and will be fabricated to record x-ray spectra in the 1.1-20.1 keV energy range. The High-Energy Electronic X-Ray (HENEX) instrument has four reflection crystals with

Hard X-Ray Spectrometers for National Ignition Facility

January 1, 2001

Author(s)

J Seely, C Back, R Deslattes, Lawrence T. Hudson, G Holland, P Bell, M Miller

Hard X-Ray Spectrometers for NIF

January 1, 2001

Author(s)

J Seely, G Holland, Charles Brown, R Deslattes, Lawrence T. Hudson, P Bell, M Miller, C Back

A NIF core diagnostic instrument has been designed and will be fabricated to record x-ray spectra in the 1.1 to 20.1 keV energy range. The High-Energy Electronic X-Ray (HENEX) instrument has four reflection crystals with overlapping coverage of 1.1 to 10.9

X-Ray Spectra in the 12 to 60 keV Energy Range from Plasmas Produced by the OMEGA Laser

January 1, 2001

Author(s)

J Seely, R Deslattes, Lawrence T. Hudson, G E. Holland, R Atkin, D D. Meyerhofer, C Stoeckl

Electron- and Photon-Stimulated Desorption of Atomic Hydrogen From Radiation-Modified Alkali Halide Surfaces

October 1, 2000

Author(s)

Lawrence T. Hudson, N H. Tolk, C Bao, P Norlander, D P. Russell, J. Xu

The desorption yields of excited hydrogen atoms from the sufaces of KCI, KBr, NaCl, NaF and LiF have been measured as a function of incident photon and electron energy and flux, time of irradiation, dosing pressure of H 2 and sample temperature. As these

Absolute Measurement of the Resonance Lines in Helium-Like Vanadium on an Electron-Beam Ion Trap

January 1, 2000

Author(s)

Christopher T. Chantler, D Paterson, Lawrence T. Hudson, G G. Serpa, John D. Gillaspy

Electron- and Photon-Stimulated Desorption of Atomic Hydrogen from Radiation-Modified Alkali Halide Surfaces

January 1, 2000

Author(s)

Lawrence T. Hudson, N H. Tolk, C Bao, P Nordlander, D P. Russell, J. Xu

Precision X-Ray Spectroscopy at the NIST Electron-Beam Ion Trap: Resolution of Major Systematic Error

September 1, 1999

Author(s)

T. Han, D J. Paterson, Lawrence T. Hudson, F Serpa, John D. Gillaspy, E Takacs

Some of the most critical tests of the QED Lamb shifts are currently being pursued in the X-ray regime by investigating the core levels of medium Z atoms such as vanadium. The current approach to the measurement of the Lamb shift in such a system is

Precision X-Ray Spectroscopy at the NIST Electron-Beam Ion Trap: Resolution of Major Systematic Error

January 1, 1999

Author(s)

Christopher T. Chantler, D Paterson, Lawrence T. Hudson, F. G. Serpa, John D. Gillaspy, Tak{aacute}cs e

Status of the Development of SRM 640C

January 1, 1999

Author(s)

R Deslattes, J P. Cline, J -. Staudenmann, Ernest G. Kessler, Lawrence T. Hudson, Albert Henins

Absolute Calibration of an X-Ray Spectrometer on the NIST Electron-Beam Ion Trap: Control, Design and Systematics

January 1, 1998

Author(s)

D J. Paterson, T. Han, C Q. Tran, Lawrence T. Hudson, F Serpa, R Deslattes

The course of Electron-Beam Ion Trap (EBIT) experiments depends more and more on precision measurement. To design and test a system of absolute spectroscopy to 10-20 parts per million for such a source is a challenging task. Other design criteria include

Parallel Beam Powder Diffractometry Using a Laboratory X-Ray Source

January 1, 1998

Author(s)

R Deslattes, J -. Staudenmann, Lawrence T. Hudson, Albert Henins, J P. Cline

Absolute Calibration of an X-ray Spectrometer on the NIST Electron-Beam Ion Trap: Control, Design and Systematics

January 1, 1997

Author(s)

Christopher T. Chantler, D Paterson, C Q. Tran, Lawrence T. Hudson, F. G. Serpa, R Deslattes

Progress Towards Absolute X-Ray Spectroscopy on the NIST Electron-Beam Ion Trap: Current Status and Results

January 1, 1997

Author(s)

T. Han, D J. Paterson, Lawrence T. Hudson, John D. Gillaspy, R Deslattes

Recent observation of Hydrogen-like ions of Vanadium at the NIST Electron-Beam Ion Trap and measurements of Halium-like resonance line are presented. One particular feature of the current series of experiments is the possibility of absorlute calibration in

Progress Towards Absolute X-Ray Spectroscopy on the NIST Electron-Beam Ion Trap: Current status and Results

January 1, 1997

Author(s)

Christopher T. Chantler, D Paterson, Lawrence T. Hudson, F. G. Serpa, John D. Gillaspy, R Deslattes

A Curved Crystal Spectrometer for Energy Calibration and Spectral Characterization of Mammographic X-Ray Sources

January 1, 1996

Author(s)

Lawrence T. Hudson, R Deslattes, Albert Henins, Christopher T. Chantler, Ernest G. Kessler, J E. Schweppe

Flat and Curved Crystal Spectrography for Mammographic X-Ray Sources

January 1, 1996

Author(s)

Christopher T. Chantler, R Deslattes, Albert Henins, Lawrence T. Hudson

Resonant Photoelectron Spectroscopy Studies of BaTiO 3 and Related Mixed Oxides

January 1, 1996

Author(s)

S W. Robey, Lawrence T. Hudson, V E. Henrich, C Eylem, B Eichorn

Overview of the EBIT Program at NIST

January 1, 1995

Author(s)

John D. Gillaspy, Y Aglitskiy, E W. Bell, C M. Brown, Christopher T. Chantler, R Deslattes, Uri Feldman, Lawrence T. Hudson, J M. Laming, E S. Meyer, C A. Morgan, A I. Pikin, J R. Roberts, L P. Ratliff, F. G. Serpa, J Sugar, E Takacs