[2 offprints, including:] Electrodynamic Quantization Process.

Edité par Annals of Physics, 1961., [Amsterdam]:, 1961

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2 offprints. Original wrappers. From the collection of Abraham Pais. Very good. INVENTORY: GOOD, R. H.; HAMMER, C. L. Electrodynamic Quantization Process. Offprint from: Annals of Physics, Volume 12, No. 13, pp. 463-475, March 1961. Abstract: Recently a quantum theory of the free Maxwell field was given that avoided discussion of nonphysical photons. The extension to include the interaction with electrons is given in this paper. This approach leads to a formulation equivalent to the gauge-independent theory of Belinfante and Lomont. A complete discussion of the integrals of motion is given, including their connections with displacement operators. GOOD, R. H.; MEHLHOP, W. A. W.; MURTY, S. S.; BOWLES, P.; BURNETT, T. H.; HOLLAND, C. H.; PICCIONI, O.; SWANSON, R. A. Interference between Neutral Kaons and Their Mass Difference. Offprint from; Physical Review, Vol. 172, No. 5, pp. 1613-1625, 25 August 1968. Abstract: A K+ beam of 990-MeVc momentum was used to produce a K0 beam in charge-exchange collision with a copper target. By interposing an iron regenerator at a certain distance from the target and taking spark-chamber pictures of 2? decays behind the regenerator, we have observed the interference in the 2? decay mode between the KS state produced in the original charge exchange and the KS state (KLS) produced via regeneration. The difference in phase between these KS and KLS states depends upon the proper time elapsed between production and regeneration (because of the mass difference between KS and KL) and can therefore be changed at will by changing the corresponding distance. The shape of the curve with the observed minimum gives us the magnitude of the mass difference, and its sign as well if the phase of the regeneration amplitude is given. In a separate work we have determined that phase from scattering experiments with charged kaons on iron nuclei. Comparing that information with the present experiment, we obtain the following results: (1) The two-pion states into which KS and KLS decay are quantum-mechanically identical. Since |KL> and |KLS> interference has already been observed, we must then expect that the time dependence of the 2? decay of K0 will differ from that of KÂ 0 because of the |KS>-->|2?>, |KL>-->|2?> interference. (2) The sign of the mass difference is such that KL is heavier than KS with a level of confidence that, barring unknown systematic errors, appears to be beyond question. (3) The value of the mass difference obtained by us is 0.42+/-0.04 in units of ??S, where ?S is the KS mean life. (4) We have also observed the effect of the constructive interference between the scattered amplitude f11|KS> and the diffraction-regenerated amplitude f21|KS>. This effect confirms that KL is heavier than KS." from; Physical Review, Vol. 172, No. 5, pp. 1613-1625, 25 August 1968. / BIOGRAPHY: Good worked at the Institute for Atomic Research and Department of Physics, Iowa State University, Ames, Iowa. Good was also with the Department of Physics, Pennsylvania State University, University Park, Pennsylvania. At the time Frank H. Spedding (1902-1984) was director of the Ames Laboratory.

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Détails bibliographiques

Titre
[2 offprints, including:] Electrodynamic Quantization Process.
Auteur
GOOD, R. H., Jr.
Éditeur
Annals of Physics, 1961., [Amsterdam]:
Année de publication
1961
Reliure
Couverture souple

Jeff Weber Rare Books

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