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pro vyhledávání: '"Ralph Whitcher"'
Autor:
Chris Murdock, Ralph Whitcher, J Hunter, Tim Coldwell, Sarah Dorling, Simon Willis, P Cole, G Mott
Publikováno v:
Journal of radiological protection : official journal of the Society for Radiological Protection. 40(4)
This article reports on the research by a working group, comprising members from the Association of University Radiation Protection Officers, on the radiation safety culture in the UK higher education, research and teaching (HERT) sectors. The impetu
Autor:
Ralph Whitcher
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 981:164532
This software development uses a Monte Carlo method to calculate the average solid angle subtended by detectors to sources, ranging in shape, at any position and orientation to each other. The average solid angle is required in nuclear science and en
Publikováno v:
Journal of Radiological Protection. 34:347-361
The characteristics of alpha radiation have for decades been demonstrated in UK schools using small sealed (241)Am sources. There is a small but steady number of schools who report a considerable reduction in the alpha count rate detected by an end-w
Autor:
Christine Edwards, H. Odams, S. Willis, Ralph Whitcher, J. Makepeace, P Cole, L. Yates, C. Murdock, T. Coldwell
Publikováno v:
Journal of radiological protection : official journal of the Society for Radiological Protection. 35(4)
The safety culture of any organisation plays a critical role in setting the tone for both effective delivery of service and high standards of performance. By embedding safety at a cultural level, organisations are able to influence the attitudes and
Autor:
Ralph Whitcher
Publikováno v:
Radiation Protection Dosimetry. 149:444-453
This note discusses and implements an algorithm for modelling a uniform distribution over a scalene ellipsoidal surface or in a solid so that a Monte Carlo method, suitable for a personal computer, can be used to calculate the average solid angle sub
Autor:
Ralph Whitcher
Publikováno v:
Radiation Protection Dosimetry. 118:459-474
This note describes the development of a short program for a personal computer to calculate the solid angle subtended by a right cylinder detector to a circular or rectangular, plane or thick source at any position and orientation to the cylinder. Th