Spin correlation and analyzing power measurements for neutron-proton radiative capture at [ital T][sub [ital n]]=183 MeV

We have measured the spin correlation coefficient ([ital C][sub [ital N][ital N]]) and the neutron and proton analyzing powers ([ital A][sub [ital n]] and [ital A][sub [ital p]]) for the [ital [rvec n][rvec p]][r arrow][ital d][gamma] reaction at a neutron beam energy of 183 MeV. Calculations of the...

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Bibliographic Details
Published in:Physical review letters 1993-05, Vol.70:21
Main Authors: Pate, S.F., Bloch, C., Xu, G., Bowyer, S.M., Bowyer, T.W., Jacobs, W.W., Meyer, H., Pierce, E., Sowinski, J., Vigdor, S.E., Whiddon, C., Wissink, S.W., Jolivette, P.L., Pickar, M.A.
Format: Article
Language:English
Subjects:
663300 > Nuclear Reactions & Scattering, General-- (1992-)
ANALYZING POWER
BARYON-BARYON INTERACTIONS
BOSONS
CAPTURE
CHARGED PARTICLES
DEUTERONS
ELEMENTARY PARTICLES
EMISSION
ENERGY RANGE
HADRON-HADRON INTERACTIONS
HADRONS
HAMILTONIANS
INTERACTIONS
MATHEMATICAL OPERATORS
MESONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PHOTON EMISSION
PROTON-NEUTRON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
QUANTUM OPERATORS 663430 > Nucleon-Induced Reactions & Scattering-- (1992-)
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Summary:We have measured the spin correlation coefficient ([ital C][sub [ital N][ital N]]) and the neutron and proton analyzing powers ([ital A][sub [ital n]] and [ital A][sub [ital p]]) for the [ital [rvec n][rvec p]][r arrow][ital d][gamma] reaction at a neutron beam energy of 183 MeV. Calculations of the spin correlation are particularly sensitive to the treatment of mesonic and isobaric currents. Predictions that include both explicit photon couplings to exchanged mesons and intermediate isobar states, and relativistic correction terms in the Hamiltonian, agree well with our data, thus demonstrating the quantitative accuracy of present treatments of meson-exchange currents at moderate momentum transfer ([ital q][similar to]1[minus]2 fm[sup [minus]1]).
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.70.3205