Turner, R.C.
nucl-ex
[1.0, 2.0]
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A measurement of the spin correlation parameter C NN (θ) in n-p scattering at 181 MeV

Sowinski, J. ; Byrd, R.C. ; Jacobs, W.W. ; et al.
Phys.Lett.B 199 (1987) 341-345, 1987.
Inspire Record 1392688 DOI 10.17182/hepdata.30055

The spin correlation parameter C NN has been measured for n-p elastic scattering at 181 MeV. A comparison with predictions from various phase shift sets and potential models reveals sizeable deviations from the for the data Paris potential and Saclay phase shifts. For the Paris potential the deviations are directly related to an overprediction of the 3 D 2 phase shift parameter.

1 data table
Table 1

Numerical values of data supplied by J. Sowinski.


Measurement of the proton's neutral weak magnetic form factor.

The SAMPLE collaboration Mueller, B. ; Beck, D.H. ; Beise, E.J. ; et al.
Phys.Rev.Lett. 78 (1997) 3824-3827, 1997.
Inspire Record 440739 DOI 10.17182/hepdata.31349

We report the first measurement of the parity-violating asymmetry in elastic electron scattering from the proton. The asymmetry depends on the neutral weak magnetic form factor of the proton which contains new information on the contribution of strange quark-antiquark pairs to the magnetic moment of the proton. We obtain the value $G_M~Z= 0.34 \pm 0.09 \pm 0.04 \pm 0.05$ n.m. at $Q~2=0.1$ (GeV/c)${}~2$.

1 data table
Table 1

Polarized beam. FORMFACTOR(NAME=GZM) = (1/4)*(GM_P-GM_N) - SIN2TW*GM_P - (1/4)*GM_S, whereFORMFACTOR(NAME=GM_S) is the strange quark contribution. FORMFACTOR(NAME=GZM) and FORMFACTOR(NAME=GM_S) are in nucleon magnetic FF.


PI+ P SCATTERING AT 65-MEV TO 140-MEV

Ritchie, B.g. ; Moore, R.s. ; Preedom, B.m. ; et al.
Phys.Lett.B 125 (1983) 128-132, 1983.
Inspire Record 194351 DOI 10.17182/hepdata.30742

Differential cross sections for π + p elastic scattering were measured for seven incident energies from 65 to 140 MeV at laboratory scattering angles between 93° and 165°. The results are compared with previous results of Bertin et al. and the phase-shift analysis of Arndt and Roper. Agreement between the phase-shift analysis and the data is good.

7 data tables
Table 1

ABSOLUTE NORMALIZATION UNCERTAINTY = 2.4 PCT.

Table 2

ABSOLUTE NORMALIZATION UNCERTAINTY = 2.0 PCT.

Table 3

ABSOLUTE NORMALIZATION UNCERTAINTY = 1.4 PCT.

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