DEUT P --> P P N
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Neutron-proton charge-exchange amplitudes at 585-MeV

Chiladze, D. ; Carbonell, J. ; Dzyuba, A. ; et al.
2008.
Inspire Record 803150 DOI 10.17182/hepdata.52344

The differential cross section and deuteron analysing powers of the dp -> {pp}n charge-exchange reaction have been measured with the ANKE spectrometer at the COSY storage ring. Using a deuteron beam of energy 1170 MeV, data were obtained for small momentum transfers to a {pp} system with low excitation energy. A good quantitative understanding of all the measured observables is provided by the impulse approximation using known neutron-proton amplitudes. The proof of principle achieved here for the method suggests that measurements at higher energies will provide useful information in regions where the existing np database is far less reliable.

6 data tables
Table 1

Differential cross section for the unpolarized DEUT P --> P P N reaction integrated over momentum transfer Q < 100 MeV.

Table 2

Unpolarized differential cross section for the DEUT P --> P P N reaction of (P P) excitation energies < 3 MeV.

Table 3

Spherical tensor analysing powers t20 and t22 for EPP 0.1 to 1.0 MeV and cos(theta) > 0.5.

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