Publications [#248421] of Roxanne P. Springer

Papers Published
  1. Butler, MN; Savage, MJ; Springer, RP, Probing hadronic structure with the decay Delta -->Nl+l-, Physical review. C, Nuclear physics, vol. 48 no. 2 (August, 1993), pp. 917-919, American Physical Society (APS) [doi] .

    Abstract:
    We compute the branching ratio for Ne+e- and N+- in chiral perturbation theory and find that both decays should be observable at the Continuous Electron Beam Accelerator Facility. With sufficiently low thresholds on the e+e- invariant mass a branching ratio of 10-5 may be observed for Ne+e-. For the N+- decay mode we predict a branching ratio of 3×10-7. The dependence of the M1 and E2 amplitudes on the momentum transfer will provide a useful test of chiral perturbation theory which predicts 20% variation over the allowed kinematic range. © 1993 The American Physical Society.

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