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Off-shell effects in the electromagnetic production of strangeness

Abstract : Previous approaches to the photo- and electro-production of strangeness off the proton, based upon effective hadronic Lagrangians, are extended here to incorporate the so called off-shell effects inherent to the fermions with spin = 3/2. A formalism for intermediate-state, spin 3/2, nucleonic and hyperonic resonances is presented and applied to the processes $\gamma + p ---> K^{+} + as well as the branching ratio for the crossed channel reaction $K^- + p ---> significant, of various observables to such effects are discussed.
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http://hal.in2p3.fr/in2p3-00007475
Contributor : Sylvie Flores <>
Submitted on : Tuesday, November 3, 1998 - 3:04:27 PM
Last modification on : Tuesday, November 19, 2019 - 2:37:40 AM

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T. Mizutani, C. Fayard, G.-H. Lamot, B. Saghai. Off-shell effects in the electromagnetic production of strangeness. Physical Review C, American Physical Society, 1998, 58, pp.75-90. ⟨in2p3-00007475⟩

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