Negative-pion photoproduction from neutrons by linearly polarized photons in the first resonance region

K. Kondo; T. Miyachi; K. Ukai; A. Yamamoto; K. Gotow; H. Yoshida; S. Kurokawa; H. Muramatsu; N. Sasao; S. Suzuki; M. Kobayashi; S. Iwata

doi:10.1103/PhysRevD.9.529

Negative-pion photoproduction from neutrons by linearly polarized photons in the first resonance region

K. Kondo, T. Miyachi, K. Ukai, A. Yamamoto, K. Gotow, H. Yoshida, S. Kurokawa, H. Muramatsu, N. Sasao, S. Suzuki, M. Kobayashi, S. Iwata

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8 Citations (Scopus)

Abstract

The angular dependence of the asymmetry for negative-pion photoproduction on neutrons by linearly polarized photons has been measured for photon energies 260, 300, 350, 400, 450, and 500 MeV at center-of-mass angles 60°, 75°, 90°, 150°, and 120°. The results are compared with theoretical models of low-energy single-pion photoproduction. The observed asymmetry below 400 MeV shows good agreement with predictions of dispersion-theoretical models by Berends, Donnachie, and Weaver and by Schwela. The asymmetry values in the 400-500 MeV energy region suggest that smaller M1- amplitude is more favorable.

Original language	English
Pages (from-to)	529-533
Number of pages	5
Journal	Physical Review D
Volume	9
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.9.529
Publication status	Published - Jan 1 1974
Externally published	Yes

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ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

Cite this

Kondo, K., Miyachi, T., Ukai, K., Yamamoto, A., Gotow, K., Yoshida, H., Kurokawa, S., Muramatsu, H., Sasao, N., Suzuki, S., Kobayashi, M., & Iwata, S. (1974). Negative-pion photoproduction from neutrons by linearly polarized photons in the first resonance region. Physical Review D, 9(3), 529-533. https://doi.org/10.1103/PhysRevD.9.529

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abstract = "The angular dependence of the asymmetry for negative-pion photoproduction on neutrons by linearly polarized photons has been measured for photon energies 260, 300, 350, 400, 450, and 500 MeV at center-of-mass angles 60°, 75°, 90°, 150°, and 120°. The results are compared with theoretical models of low-energy single-pion photoproduction. The observed asymmetry below 400 MeV shows good agreement with predictions of dispersion-theoretical models by Berends, Donnachie, and Weaver and by Schwela. The asymmetry values in the 400-500 MeV energy region suggest that smaller M1- amplitude is more favorable.",

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AU - Kondo, K.

AU - Miyachi, T.

AU - Ukai, K.

AU - Yamamoto, A.

AU - Gotow, K.

AU - Yoshida, H.

AU - Kurokawa, S.

AU - Muramatsu, H.

AU - Sasao, N.

AU - Suzuki, S.

AU - Kobayashi, M.

AU - Iwata, S.

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AB - The angular dependence of the asymmetry for negative-pion photoproduction on neutrons by linearly polarized photons has been measured for photon energies 260, 300, 350, 400, 450, and 500 MeV at center-of-mass angles 60°, 75°, 90°, 150°, and 120°. The results are compared with theoretical models of low-energy single-pion photoproduction. The observed asymmetry below 400 MeV shows good agreement with predictions of dispersion-theoretical models by Berends, Donnachie, and Weaver and by Schwela. The asymmetry values in the 400-500 MeV energy region suggest that smaller M1- amplitude is more favorable.

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10.1103/PhysRevD.9.529