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Elastic scattering of 7.2-BeV negative pions on protons

Ainutdinov, M.S. ; Zombkovskii, S.M. ; Nikitin, S.Ya. ; et al.

Sov.Phys.JETP 15 (1962) 1038-1040, 1962.

Inspire Record 1501539 DOI 10.17182/hepdata.76439

None

1 data table

Table 1

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Measurements of the Polarization Parameter p, and the Differential Cross-Section, for pi- p --> pi0 n in the Resonance Region

Brown, Robert M. ; Clark, A.G. ; Davies, J.K. ; et al.

75-89, 1976.

Inspire Record 116148 DOI 10.17182/hepdata.76441

None

22 data tables

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A secondary peak at t = −1 (GeV/c)2 in high energy π-p charge exchange scattering

Sonderegger, P. ; Kirz, J. ; Guisan, O. ; et al.

Phys.Lett. 20 (1966) 75-78, 1966.

Inspire Record 1498686 DOI 10.17182/hepdata.75504

None

23 data tables

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Amalgamation of Meson - Nucleon Scattering Data

Kelly, R.L. ; Cutkosky, R.E. ;

Phys.Rev.D 20 (1979) 2782, 1979.

Inspire Record 140207 DOI 10.17182/hepdata.76310

We present a series of numerical and statistical techniques for interpolating and combining ("amalgamating") data from meson-nucleon scattering experiments. These techniques have been extensively applied to πp elastic and charge-exchange differential-cross-section and polarization data in the resonance region. The amalgamation is done by fitting a momentum- and angle-dependent interpolating surface to the data over a moderately narrow momentum range, typically ∼150 MeV/c, using the interpolating surface to shift data in a narrower central momentum region into fixed angular bins at a predetermined central momentum, and then statistically combining the data in each bin. The fitting procedure takes into account normalization errors, momentum calibration errors, momentum resolution, electromagnetic corrections, threshold structure, and inconsistencies among the data. The full covariance matrix of the amalgamated data is calculated, including contributions of statistical error, systematic error, and interpolation error. Techniques are presented for extracting from the covariance matrix information on the collective statistical fluctuations which correlate the errors of the amalgamated data. These fluctuations are described in terms of "correlation vectors" which facilitate the use of the amalgamated data as input for resonance-region phenomenology.

76 data tables

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