Ratio of the Isovector Effective Interaction Strengths |$J (\Sigma$ Tau) / $J$ (Tau)|**2 Between 200-{MeV} and 450-{MeV} From the $^{14}$C ($P$, $N$) $^{14}$N Reaction

Alford, W.P.; Helmer, R.L.; Abegg, R.; Celler, A.; Hausser, O.; Hicks, K.; Jackson, K.P.; Miller, C.A.; Yen, S.; Azuma, R.E.

doi:10.1016/0370-2693(86)90428-4

Ratio of the Isovector Effective Interaction Strengths | $J (\Sigma$ Tau) / $J$ (Tau)|**2 Between 200-{MeV} and 450-{MeV} From the $^{14}$ C ( $P$ , $N$ ) $^{14}$ N Reaction

1986

5 pages

Published in:

Phys.Lett.B 179 (1986) 20-24

Published: 1986

DOI:

10.1016/0370-2693(86)90428-4

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Abstract: (Elsevier)

The cross section at 0° for the reaction 14 C(p, n) 14 N has been measured at energies of 200, 300, 400 and 450 MeV using a nucleon charge-exchange facility recently commissioned at TRIUMF. Energy resolution of 1 MeV or better was obtained at each energy, permitting a reliable measurement of the cross section ratio for the Gamow-Teller transition to the 1 + state at 3.95 MeV and the Fermi transition to the 0 + state at 2.31 MeV. The deried values of ‖ J στ / J τ ‖ 2 are in clear disagreement with impulse approximation calculations using a free NN t -matrix.

P LIGHT NUCLEUS: NUCLEAR REACTION
CARBON: NUCLIDE
CHARGE EXCHANGE
N: forward production
EXCITED NUCLEUS: TRANSITION
CROSS SECTION: RATIO
ENERGY DEPENDENCE
APPROXIMATION: IMPULSE
MAGNETIC SPECTROMETER: EXPERIMENTAL RESULTS
TRIUMF CYCL

References(20)

Figures(0)

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