Nuzzo, S.
STEN.STEN
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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.


Study of k*0(892) delta++(1236) production from k+ p interactions at 3 gev/c

Buchner, K. ; Dehm, G. ; Goebel, G. ; et al.
Nucl.Phys.B 29 (1971) 381-397, 1971.
Inspire Record 68636 DOI 10.17182/hepdata.33527

The reaction K + p → K ∗o (892) Δ ++ (1236) has been studied at 3 GeV/ c in both a hydrogen and a deuterium bubble chamber experiment. The production mechanism is described by a Regge-type model using π- and B-exchange. The joint decay distributions are analysed in various frames and compared with quark-model predictions.

19 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Amplitude Analysis of the Reaction pi+ p --> rho0 Delta++ at 3.75-GeV/c

Gelfand, N. ; Dagan, S. ; Lissauer, D. ; et al.
Nucl.Phys.B 138 (1978) 365-386, 1978.
Inspire Record 135354 DOI 10.17182/hepdata.35047

The joint decay distribution statistical tensors for the reaction π + p→ ϱ 0 Δ ++ have been measured as a function of t at 3.75 GeV/ c . From this data the amplitude components of the reaction were extracted using both t -independent and t -independent methods. The magnitudes of the amplitudes obtained from both methods are found to agree and appear to be insensitive to the fitting methods. The phases are not well determined in the t -independent method. A comparison is made with a similar analysis done at 7.1 GeV/c.

3 data tables
Table 1

UNITS OF D(SIG)/DT ASSUMED TO BE MUB/GEV**2.

Table 2

No description provided.

Table 3

No description provided.


Delta0 rho- Production in the pi- n --> p pi- pi- pi0 Reaction at 9.1-GeV/c

Armenise, N. ; Fogli-Muciaccia, M.T. ; Nuzzo, S. ; et al.
Nuovo Cim.A 34 (1976) 37-47, 1976.
Inspire Record 115803 DOI 10.17182/hepdata.37636

From the reaction π−n→pπ−π−π0 at 9.140 GeV/c the Δ0ϱ− reaction has been selected. The upper limit in the cross-section ofμb

6 data tables
Table 1

A SMALL CORRECTION FOR THE DEL0 TAIL IS NOT PERFORMED.

Table 2

No description provided.

Table 3

No description provided.

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Study of the Reaction anti-p p --> anti-Delta++ Delta++ at 9.1-GeV/c

Walck, C. ; Carlsson, R. ; Ekspong, G. ; et al.
Nucl.Phys.B 100 (1975) 61-73, 1975.
Inspire Record 104375 DOI 10.17182/hepdata.36103

Single and joint decay angular distributions in the reaction p p → Δ ++ Δ ++ at 9.13 GeV/ c are discussed in the framework of single and double statistical tensors. The t dependence of 12 double statistical tensors is presented. Cross sections for p p → p p π + π − and p p → Δ ++ Δ ++ are determined to be 2.60 ± 0.10 and 0.90 ± 0.10 mb respectively. The results obtained are compared with other experiments mainly at 5.7 and 12 GeV/ c .

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

FROM FITTING DECAY ANGULAR DISTRIBUTIONS OF BOTH ISOBARS ADDED.

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