Polarized proton capture on /sup 13/C

Journal Article · Fri Feb 01 04:00:00 EST 1980 · Phys. Rev., C; (United States)

DOI:https://doi.org/10.1103/PhysRevC.21.525· OSTI ID:5634116

Turner, J D; Roberson, N R; Wender, S A; Weller, H R; Tilley, D R

The 90/sup 0/ yield curves for the /sup 13/C(p,..gamma../sub 0/)/sup 14/N and /sup 13/C(p,..gamma../sub 1/)/sup 14/N reactions have been measured in 200 keV steps for E/sub p/=6.25 to 13.6 MeV and in 100 keV steps for E/sub p/=13.6 to 17.0 MeV. In addition, 50 keV step data were obtained for E/sub p/ of 12.6 to 14.55 MeV. Angular distributions of both the cross section and the analyzing power were also obtained for these two reactions at twelve energies which span the giant dipole energy region. The cross section was measured at nine angles between 30/sup 0/ and 154/sup 0/ while the analyzing power was measured at seven angles between 42/sup 0/ and 142/sup 0/. These data were used to obtain the complex E1 and E2 transition matrix elements in the case of /sup 13/C(p,..gamma../sub 1/)/sup 14/N. The results are compared to a direct-semidirect calculation. It is found that there is little justification in introducing E2 amplitudes other than a pure direct E2 term.

• Research Organization: Physics Department, Duke University, Durham, North Carolina 27706
• OSTI ID: 5634116
• Journal Information: Phys. Rev., C; (United States), Journal Name: Phys. Rev., C; (United States) Vol. 21:2; ISSN PRVCA
• Country of Publication: United States
• Language: English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANALYZING POWER
ANGULAR DISTRIBUTION
BARYON REACTIONS
BEAMS
CAPTURE
CARBON 13 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DISTRIBUTION
E1-TRANSITIONS
E2-TRANSITIONS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION FUNCTIONS
GAMMA SPECTRA
GIANT RESONANCE
HADRON REACTIONS
ISOTOPES
LIGHT NUCLEI
MATRICES
MATRIX ELEMENTS
MEV RANGE
MEV RANGE 01-10
MEV RANGE 10-100
MULTIPOLE TRANSITIONS
NITROGEN 14
NITROGEN ISOTOPES
NUCLEAR REACTIONS
NUCLEI
NUCLEON REACTIONS
ODD-ODD NUCLEI
POLARIZED BEAMS
PROTON REACTIONS
RESONANCE
S MATRIX
SPECTRA
STABLE ISOTOPES
TARGETS