PI+ P --> K+ SIGMA+
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The pi+ p interaction at 1.2 gev/c

Berthon, A. ; Mas, J. ; Narjoux, J.L. ; et al.
Nucl.Phys.B 81 (1974) 431-444, 1974.
Inspire Record 93412 DOI 10.17182/hepdata.7945

Experimental results are presented for the available channels in the 1.2 GeV/ c π + p interaction. An isobaric model with incoherent addition of the amplitudes is used to determine the π, Δ and N ∗ abundance rates in the π + π o p final state. The multipole parameters in the density matrix of the Δ ++ are determined as functions of its production angle.

7 data tables
Table 1

No description provided.

Table 2

LEGENDRE POLYNOMIAL FIT USED TO CORRECT FOR ELASTIC EVENTS LOST FROM THE FORWARD BIN.

Table 3

No description provided.

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A PRECISION MEASUREMENT OF POLARIZATION PARAMETERS FOR THE PI+ + P ---> K+ + SIGMA+ REACTION AT 13 LABORATORY MOMENTA BETWEEN 1490-MEV/C AND 2069-MEV/C

Haba, J. ; Homma, T. ; Kawai, H. ; et al.
Nucl.Phys.B 299 (1988) 627-639, 1988.
Inspire Record 269585 DOI 10.17182/hepdata.33363

The polarization parameters for the π + +p→K + +∑ + reaction have been measured at 13 laboratory momenta between 1490 and 2069 MeV/ c in the angular range of −0.1⩽ cos θ K ∗ ⩽0.7 with higher statistics than previous experiments. In general, the present results agree well with the results at the Rutherford Appleton Laboratory. It is found, however, that there exist small but systematic differences which can be attributed to certain coefficients in Legendre expansions. The physical significance of these differences is discussed.

2 data tables
Table 1

ALPHA0 is the decay asymmetry parameter (=0.980 +- 0.015 PDG tables).

Table 2

No description provided.