Scarr, J.M
N P --> N P
Integrated Cross Section
[2.0, 5.0]
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Measurements of the total cross-section difference Delta sigma-T in n p transmission between 0.86-GeV and 0.94-GeV

Ball, J. ; Chesny, P. ; Combet, M. ; et al.
Z.Phys.C 61 (1994) 53-58, 1994.
Inspire Record 353895 DOI 10.17182/hepdata.14263

We present results of the total cross section differenceΔσТ obtained in transmission measurements at the energies 0.86, 0.88, 0.91 and 0.94 GeV. The SATURNE II polarized beam of free neutrons obtained from the break-up of polarized deuterons was transmitted through the polarized Saclay frozen-spin proton target. The beam and target polarizations were oriented in the vertical direction. The present results agree with previous SATURNE measurements and improve the amplitude analysis in the forward direction.

2 data tables
Table 1

No description provided.

Table 2

Average of this result and data from Fontaine et al. 1991, Nucl.Phys. B358, 297 (<a href=http://durpdg.dur.ac.uk/scripts/reacsearch.csh/TESTREAC/red+2233> RED = 2233 </a>).


Energy dependence of the neutron proton total cross-section differences Delta (sigma-T) and Delta (sigma-L) between 0.31-GeV and 1.1-GeV

Fontaine, J.M. ; Kunne, F. ; Bystricky, J. ; et al.
Nucl.Phys.B 358 (1991) 297-310, 1991.
Inspire Record 320446 DOI 10.17182/hepdata.33013

Final results for total cross section differences Δσ T and Δσ L measured with a polarized neutron beam transmitted through a polarized proton target are presented. Measurements were carried out at SATURNE II, at 11 energies between 0.63 and 1.1 GeV for Δσ T and at 9 energies between 0.312 and 1.1 GeV for Δσ L . The results are compared with measurements at PSI and LAMPF as well as with Δσ L data points deduced from p-d and p-p transmission experiments at the ANL-ZGS. The present results together with the corresponding pp data allow to determine two of the three imaginary parts of forward scattering amplitudes for isospin I = 0.

4 data tables
Table 1

Measurements of the tranverse cross section differences.

Table 2

Measurements of the tranverse cross section differences.

Table 3

Measurement of the longitudinal cross section difference.

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