Spin and parity measurement of the Λ(1405) baryon

Moriya, Kei; Schumacher, Reinhard A.; Bellis, M.; Dey, B.; McCracken, Michael E.; Meyer, Curtis; Collaboration, CLAS

doi:10.1184/R1/6508091.v1

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Spin and parity measurement of the Λ(1405) baryon

journal contribution

posted on 2014-02-12, 00:00 authored by Kei Moriya, Reinhard A. Schumacher, M. Bellis, B. Dey, Michael E. McCracken, Curtis MeyerCurtis Meyer, CLAS Collaboration

A determination of the spin and parity of the Λ(1405) is presented using photoproduction data from the CLAS detector at Jefferson Lab. The reaction γ+p→K++Λ(1405) is analyzed in the decay channel Λ(1405)→Σ++π−, where the decay distribution to Σ+π− and the variation of the Σ+ polarization with respect to the Λ(1405) polarization direction determines the parity. The Λ(1405) is produced, in the energy range 2.55

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Spin and parity measurement of the Λ(1405) baryon

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