A study of inclusive Λ, > Σ0 and Σ(1385) production in K −p interactions at 8.25 GeV/ c

• Published in: Nuclear physics. B Vol. 148; no. 1; pp. 18 - 40
• Main Authors: Baubillier, M, Bloodworth, I.J, Bossen, G.J, Burns, A, Carney, J.N, Corden, M.J, Cowan, C.A, Cox, G.F, De Lima, C.J, Dixon, D, Kinson, J.B, Knudson, K, Levy, F, McCann, H, MacDermott, M, Negus, P.J, Oh, B, Pratap, M, Quercigh, E, Rivoal, M, Scarr, J.M, Shiers, J.C, Smith, G, Teodoro, D, Baillie, O.Villalobos, Votruba, M.F, Whitmore, J, Zitoun, R
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.02.1979
• ISSN: 0550-3213; 1873-1562
• DOI: 10.1016/0550-3213(79)90011-7

Inclusive Λ production has been studied in K −p interactions at 8.25 GeV/ c using about 69 000 events; the total cross section is found to be 3.35 ± 0.20 mb. A comparison has been made with Σ 0 and Σ(1385) inclusive production. Their influence on the inclusive Λ production is discussed. The inclusive Λ cross section and polarization is interpreted in terms of the triple-Regge model. In the target fragmentation region an effective Regge trajectory is determined which lies closer to the K than to the K ∗. In the beam fragmentation region the cross-section data indicate an effective Regge trajectory which corresponds to the nucleon, while the polarization data require additional Regge exchanges to be present.