Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Leonard L. Romero"'
Autor:
Thomas D. McLean, R. T. Devine, Leonard L. Romero, Richard H. Olsher, P. Grudberg, A. Fallu-Labruyere, L. H. Miles
Publikováno v:
Radiation Protection Dosimetry. 126:223-228
CHELSI is a CsI-based portable spectrometer being developed at Los Alamos National Laboratory for use in high-energy neutron fields. Based on the inherent pulse shape discrimination properties of CsI(Tl), the instrument flags charged particle events
Autor:
Yunxian Chu, Peter M. Grudberg, Hui Tan, Leonard L. Romero, R. T. Devine, Richard H. Olsher, A. Fallu-Labruyere, Thomas D. McLean
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 562:793-796
The intrinsic pulse shape discrimination properties of CsI(Tl) form the basis of a high-energy neutron (>20 MeV) spectrometer (CHELSI) currently being developed at LANL that shows promise in satisfying the requirements of an ideal survey meter; light
Autor:
Richard H. Olsher, Jeffrey M. Hoffman, R. T. Devine, Thomas D. McLean, Leonard L. Romero, David T. Seagraves, Michael W. Mallett, S. L. Eisele, R. O. Murphy
Publikováno v:
Radiation Protection Dosimetry. 110:549-553
Initial calibration of a multisphere spectroscopy system has been completed at Los Alamos National Laboratory using four standard calibration scenarios. Spectrum unfolding was performed using three methods of constructing the default spectrum: simple
Autor:
Devin W. Gray, David T. Seagraves, Leonard L. Romero, Jeff P Johnson, R. T. Devine, Richard H. Olsher
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 476:416-422
Several neutron spectrometers manufactured by Bubble Technology Industries (BTI) were tested and evaluated in a variety of neutron fields. Findings and conclusions are presented for the following BTI instruments: a modification of the Rotational Spec
Publikováno v:
Health Physics. 77:S9-S17
Personnel neutron dosimetry continues to be a difficult science due to the lack of availability of robust passive dosimeters that exhibit tissue equivalent, or near tissue equivalent response. The dosimeter most used for neutron dosimetry in the Unit
Autor:
Michael W. Mallett, R. T. Devine, Jeffrey M. Hoffman, Leonard L. Romero, Richard H. Olsher, Thomas D. McLean
Publikováno v:
Radiation protection dosimetry. 126(1-4)
The high-energy neutron response of three passive dosemeters in use at the Los Alamos National Laboratory (LANL) has been investigated using metrology-grade fields. The dosemeters include the LANL Model 8823 TLD badge and the LANL PN3 track etch devi
Autor:
Richard H. Olsher, Michael W. Mallett, Charles R. Hurlbut, William A. Martinez, Shawna L. Eisele, Leonard L. Romero, Michael A. Duran, Christopher W. Bjork, David T. Seagraves
Publikováno v:
Health physics. 86(6)
Conventional neutron rem meters currently in use are based on 1960's technology that relies on a large neutron moderator assembly surrounding a thermal detector to achieve a rem-like response function over a limited energy range. Such rem meters pres