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

V. M. Bystritsky, I. V. Glavanakov, P. Grabmayr, Yu F. Krechetov, O. K. Saigushkin, A. N. Tabachenko, A. I. Fix, E. N. Schuvalov

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The cross section for the 12C(γ, π+p) reaction was measured in the range of the △(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 △++ isobar from the nucleus. The probability of finding the △ isobar in the ground-state 12C nucleus is estimated at 0.018 ± 0.005 △ isobars per nucleon.

Original languageEnglish
Pages (from-to)453-456
Number of pages4
JournalJETP Letters
Volume73
Issue number9
DOIs
Publication statusPublished - 10 May 2001

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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