Prog. Theor. Phys. Vol. 11 No. 4 (1954) pp. 494-496

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Renormalization in the Covariant Treatment of Pion-nucleon Scattering

Department of Physics, Tokyo University of Education

(Received April 16, 1954)

URL : http://ptp.ipap.jp/link?PTP/11/494/
DOI : 10.1143/PTP.11.494

S. Fubini, Nuovo Cim. 10 (1953), 851.
Recently, the author was shown a letter sent by M. M. Lévy to S. Tomonaga.
In this letter, Lévy describes a method of subtracting “over-lapping divergencies” in nearly the same mannet as the author.
Also, D. Ito and H. Tanaka treat same problem in some different way.
A. Salam, Phys. Rev. 82 (1951), 217[APS].
We have finished the calculation of phase-shifts in pion-nucleon scattering, applying the above method of renormalization to the Tamm-Dancoff approximation.
The details will soon appear in this journal.

Progress of Theoretical Physics Vol. 12 No. 5 (1954) pp. 585-602 :
On the Renormalization in Tamm-Dancoff Approximation for One-nucleon Problem, II

Kiyomi Itabashi
Progress of Theoretical Physics Vol. 12 No. 6 (1954) pp. 767-788 :
Pion-Nucleon Scattering in the Tamm-Dancoff Approximation

Shin Chiba, Miwae Yamazaki and Nobuyuki Fukuda