Better measurements and improved theory are stimulating increased attention to processes in which photons eject electrons from the atoms in which they originate. Experts now concentrate on such matters as spins, parities, angular correlations and oriented nuclei.
INTERNAL CONVERSION—a process whereby an excited nucleus interacts directly with an orbital electron, imparting its excitation energy to the electron—has been intensively studied in the past few years. Experimental measurements have included K and L conversion coefficients, L and M subshell conversion‐intensity ratios, and K‐, L‐ and M‐shell particle parameters (factors relating angular distributions of conversion electrons to those of corresponding gamma rays).
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References
1. I. M. Band, M. A. Listengarten, L. A. Sliv, J. E. Thun, in Alpha‐, Beta‐, and Gamma‐Ray Spectroscopy, K. Siegbahn, ed., (North‐Holland Publishing Co., Amsterdam). (1965).
Inside certain quantum systems, where randomness was thought to lurk, researchers—after a 40-year journey—have found order and unique wave patterns that stubbornly survive.
