Girimonte, L.
STEN.STEN
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Double Statistical Tensors for the Reaction p p --> Delta++ Delta0 in a Range of 5-GeV/c to 25-GeV/c

The Genoa-World Proton-Proton collaboration Caso, C. ; Girimonte, L. ;
Nuovo Cim.A 33 (1976) 671, 1976.
Inspire Record 3097 DOI 10.17182/hepdata.9285

The joint decay distribution for the reaction pp → Δ++Δ0 is described in terms of double statistical tensors, which were determined in a model-independent way using the World Proton-Proton Data Summary Tape. The statistical tensors were calculated in nontransversal and in transversal reference frames. The results are presented as a function of the proton laboratory momentum, covering the range from 5 to 25 GeV/c. Due to a lack of statistics, the values as a function of the four-momentum transfers were obtained by adding together data from different energies. Results are again given in several reference frames.

9 data tables
Table 1

CONTENT OF THE WORLD PROTON PROTON DATA SUMMARY TAPE.

Table 2

STATISTICAL TENSORS IN THE JACKSON NONTRANSVERSAL FRAME.

Table 3

STATISTICAL TENSORS IN THE HELICITY NONTRANSVERSAL FRAME.

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Test of quark model predictions in the reactions $\pi^+ p \to \omega \Delta^{++}$ and $\rho^0\Delta^{++}$ at 5 GeV/c

Lyons, L. ; Karshon, U. ; Eisenberg, Y. ; et al.
Nucl.Phys.B 85 (1975) 165-178, 1975.
Inspire Record 1392677 DOI 10.17182/hepdata.32120

The well-known class-A quark-model relations of Białas and Zalewski are parametrised in a particular form, where one can compare the data with the predictions separately for the meson non-flip and flip parts, defined in the transversity frame. A 3-parameter fit to the joint decay angular distribution is performed on the experimental data, and the results are compared with the quark-model predictions for various regions of the four-momentum transfer. The effect of an s -wave state under the ρ 0 is discussed.

1 data table
Table 1

A THREE PARAMETER FIT IS MADE TO THE JOINT DECAY DISTRIBUTION.