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Estimate of the Δ(1232) component in the 12C nucleus

  • Fields, Particles, and Nuclei
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Abstract

The cross section for the 12C(γ, π+ p) reaction was measured in the range of the Δ(1232) isobar. The data were analyzed using the models taking into account the nucleon and isobaric degrees of freedom of the 12C nucleus. The conclusion is drawn that in the large-momentum transfer range the π+ p pairs are produced in the course of the direct knocking-out of Δ++ isobar from the nucleus. The probability of finding the Δ isobar in the ground-state 12C nucleus is estimated at 0.018±0.005 Δ isobars per nucleon.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Moscow region, 141980, Russia

    V. M. Bystritsky

  2. Research Institute of Nuclear Physics, Tomsk Polytechnical University, Tomsk, 634050, Russia

    I. V. Glavanakov, Yu. F. Krechetov, O. K. Saigushkin, A. N. Tabachenko & E. N. Schuvalov

  3. Institute of Physics, Tübingen University, D-72076, Tübingen, Germany

    P. Grabmayr

  4. Tomsk Polytechnical University, Tomsk, 634034, Russia

    A. I. Fix

Authors
  1. V. M. Bystritsky
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  2. I. V. Glavanakov
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  3. P. Grabmayr
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  4. Yu. F. Krechetov
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  5. O. K. Saigushkin
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  6. A. N. Tabachenko
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  7. A. I. Fix
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  8. E. N. Schuvalov
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Additional information

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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 73, No. 9, 2001, pp. 513–516.

Original Russian Text Copyright © 2001 by Bystritsky, Glavanakov, Grabmayr, Krechetov, Saigushkin, Tabachenko, Fix, Schuvalov.

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Bystritsky, V.M., Glavanakov, I.V., Grabmayr, P. et al. Estimate of the Δ(1232) component in the 12C nucleus. Jetp Lett. 73, 453–456 (2001). https://doi.org/10.1134/1.1385656

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  • DOI: https://doi.org/10.1134/1.1385656

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