Abstract
The pion photopair production cross section near nucleon resonances of spin 3/2 has been calculated in theρ-meson dominance model, including particle spin correlation; the expressions for the angular and energy distribution have been derived, as well as the invariantmass distribution for the\(\pi ^ + \pi - \) system, together with an expression for the asymmetry coefficient arising from the linear polarization of the photon. These results are compared with measurements atγ-ray energies of 1, 2.8, and 4.7 GeV. At these energies, the agreement with experiment is satisfactory.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
Literature cited
Cambridge Bubble Chamber Group, Phys. Rev.,146, 994 (1966);155, 1477 (1967);163, 1510 (1967).
Aachen-Berlin-Bonn-Heidelburg-Munich Collaboration, Nuovo Cimento,41A, 270 (1966);48A, 262 (1967);49A, 504 (1967).
L. Flore et al., Nuovo Cimento,63A, 892 (1969); INEN/AE-69/1 (1969).
G. Kussumegi et al., Nuovo Cimento,7A, 727 (1972).
M. Beneventano et al., Nuovo Cimento,15A, 449 (1973).
W. Struczinski et al., Preprint DESY 75/36 (1975).
J. Ballam et al., Phys. Rev.,D5, 545 (1972).
H. Alvensleben et al., in: Vector Mesons and Electromagnetic Interactions [in Russian], Dubna (1969).
SLAC-Berkeley-Tufts Collaboration, Phys. Rev. Lett.,24, 955, 960 (1970).
L. Criegee et al., Phys. Rev. Lett.,25, 1306 (1970).
Gr. Diambrini et al., Phys. Rev. Lett.,25, 478 (1970).
S. D. Drell, Phys. Rev. Lett.,5, 278 (1961).
G. Ciocchetti et al., Lett. Nuovo Cimento,1, 216 (1969).
H. Satz and R. Schilling, Nuovo Cimento,67A, 511 (1970); Y. Goradia, Phys. Rev.,D6, 869 (1972); G. Kramer and H. Quinn, Nucl. Phys.,B27, 77 (1971).
A. M. Baldin, in: Electromagnetic Interactions and Elementary-Particle Structure [in Russian], Moscow (1969).
L. Stodolsky, Phys. Rev.,134B, 1099 (1964); Y. Napasina, The University of Rochester, Rochester, Report UR-875-189 (1967).
A. I. Mukhtarov, F. S. Sadykhov, and O. A. Vasil'ev, Yad. Fiz.,18, 1092 (1973).
A. A. Sokolpv, Introduction to Quantum Electrodynamics [in Russian], Moscow (1958).
A. I. Mukhtarov, F. S. Sadykhov, and R. M. Ibadov, “Physics of liquids and nuclear spectroscopy,” Tr. Samarkand. Gos. Univ., Issue 223, 116 (1972).
V. Watagin, Nucl. Phys.,B10, 107 (1969).
Author information
Authors and Affiliations
Additional information
Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 103–108, June, 1976.
Rights and permissions
About this article
Cite this article
Mikhtarov, A.I., Sadykhov, F.S., Ibadov, R.M. et al. ρ-Meson dominance and spin correlations in pion photopair production at nucleons near nucleon resonances. Soviet Physics Journal 19, 769–773 (1976). https://doi.org/10.1007/BF00943479
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00943479