New Limits for the Exotic Exchange Reaction pi- p --> K+ Sigma- at 5-GeV and 8-GeV

Dekkers, D. ; Guillaud, J.P. ; Lepeltier, V. ; et al.
Nucl.Phys.B 131 (1977) 72-79, 1977.
Inspire Record 126514 DOI 10.17182/hepdata.35221

Measurement of the exotic exchange reaction π − p → K + Σ − has been performed at 5 and 8 GeV, in the −0.015 to −0.13 and −0.009 to −0.15 (GeV/ c ) 2 range of t repectively. We give the value near t = 0 of the differential cross section at 5 GeV, 21 −21 +76 nb/(GeV/ c ) 2 , and an upper limit (< 37 nb/GeV/ c ) 2 ) at 8 GeV. As a check the measured differential cross section is given at both energies for the reaction π + p → K + Σ + in the same range of t ★★ ★★ Results presented here were included in the thesis of Doctorat d′Etat by M.N. Minard, Orsay, France, 1976. .

2 data tables

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