Triple-differential cross sections to discrete states in the (+16,2p)14N reaction

W. R. Wharton, P. D. Barnes, B. Bassalleck, R. A. Eisenstein, G. Franklin, R. Grace, C. Maher, P. Pile, R. Rieder, J. Szymanski, J. R. Comfort, F. Takeutchi, J. F. Amann, S. A. Dytman, K. G R Doss

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The (+16,2p)14N reaction has been studied at T=59.6 MeV. Good energy resolution of 1 to 2 MeV allows several states in N14 to be resolved. Triple-differential cross sections are presented for the transitions to the N14 1+ ground state and 1+ 4 MeV state. The quasideuteron model is used to construct a T matrix for each transition. A fit to the data requires an additional term in the T matrix giving a large anisotropy in the angular distribution of the N14 recoil momentum vector. The ground state T matrix has an unexpected enhancement near zero recoil momentum of the N14 nucleus. The measured T matrices are then used to extrapolate to unmeasured regions of phase space giving double differential, single-differential, and total cross sections for each transition.

Original languageEnglish (US)
Pages (from-to)526-537
Number of pages12
JournalPhysical Review C
Volume31
Issue number2
DOIs
StatePublished - Jan 1 1985

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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