STUDY OF PROTON DIFFRACTIVE EXCITATION PROCESSES IN REACTION K+ p ---> K+ p pi+ pi- AT 32-GeV/c

The Soviet-CERN collaboration Chliapnikov, P.V. ; Falaleev, V.P. ; Garuchava, Z.Sh. ; et al.
Sov.J.Nucl.Phys. 38 (1983) 235, 1983.
Inspire Record 183145 DOI 10.17182/hepdata.41204

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5 data tables

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F0 (1270) Production in the Reaction pi- p --> pi+ pi- n at 12-GeV/c and 15-GeV/c

Alexander, G. ; Dagan, S. ; Gnat, Y. ; et al.
Nucl.Phys.B 131 (1977) 365-385, 1977.
Inspire Record 127448 DOI 10.17182/hepdata.35193

The production of the f 0 (1270) has been studied in the reaction π − p → π + π − n at 12 and 15 GeV/ c in the momentum transfer range 0.02 to 0.80 GeV 2 . Differential and total cross sections for the reaction π − p → f 0 n have been determined. The f 0 decay density matrix elements have been evaluated requiring all the matrix eigenvalues to be non-negative. The relative unnatural and natural parity exchange contributions to the f 0 production have been studied. The results are compared with a Regge exchange model formulated in terms of the pion and A 2 exchanges including cut contributions.

7 data tables

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