Quantum Energy of X-rays: A New Method of Measuring It1
Abstract
IT MAY be regarded as significant that so little is known about the possible existence or non-existence of specific biological effects of certain wave lengths of X-rays. A possible reason why this field remains practically untouched is that the wave theory of X-rays explains only a certain few facts, but fails to account for many important characteristics of X-rays. The modern quantum theory, on the other hand, accounts for many important characteristics of X-rays, notably those of scattering and the conversion of primary radiant energy into other forms of energy. All these processes are the basis for the utilization of X-rays in therapy. The reason why the quantum theory is not applied more extensively is that the methods, known up to the present, of experimentally measuring the various factors in the quantum expression are too difficult and too elaborate for clinical or even for experimental application. A new method is described in this paper which by a simple and convenient process enables one to determine the energy of radiation quanta. It is to be expected that this method may be instrumental in directing research and clinical workers into the simpler and much more successful ways of thinking in terms of the modern quantum theory, to take the place of the still extensively applied wave idea of X-rays. Theoretical In terms of the quantum theory a beam of X-rays is to be regarded as consisting of a stream of a definite number of small units of energy known as quanta.…
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