The reaction pp→(Λ0K+)p at 50 and 30 GeV/c: Partial-wave analysis, Deck model and double Regge exchange

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1984 Italy English Publisher:Elsevier BVJournal:Nuclear Physics B, volume 239, pages 27-51 (issn: 0550-3213,

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Authors: W. E. Cleland; A. Delfosse; P. A. Dorsaz; J. L. Gloor; M. N. Kienzle Focacci; MANCARELLA, Giovanni; A. D. Martin; +7 Authors

doi: 10.1016/0550-3213(84)90083-x

handle: 11587/370124

The reaction pp→(Λ0K+)p at 50 and 30 GeV/c: Partial-wave analysis, Deck model and double Regge exchange

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Abstract

Abstract We have obtained a sample of 20 465 (2201) events in the channel pp→ (Λ0K+)p at 50 (30) GeV/c incident momentum with Geneva-Lausanne spectrometer at the CERN SPS. In this analysis we investigate: 1. (i) the production of N ∗ (I = 1 2 ) states in the mass region 1.6 ⩽ M(Λ0K+) ⩽ 2.6 GeV and momentum transfer 0.06 ⩽ |t| 1.0 (GeV/c)2, by studing the amplitudes and phases from a moment analysis of the decay angular distribution; 2. (ii) the contribution of the K-exchange Deck model for M(Λ0K+ 3. (iii) the double Regge exchange phenomenology for sΛ0K+ > 5 GeV2andsΛ0K+p > 5 GeV2.

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