Probing Hadronic Structure with The Decay $Δ\rightarrow Nl^+l^-$
| dc.creator | Butler, Malcolm N. | |
| dc.creator | Savage, Martin J. | |
| dc.creator | Springer, Roxanne P. | |
| dc.date | 1993-03-18 | |
| dc.date.accessioned | 2026-07-07T11:14:58Z | |
| dc.date.available | 2026-07-07T11:14:58Z | |
| dc.description | We compute the branching ratio for $Δ\rightarrow Ne^+e^-$ and $Δ\rightarrow Nμ^+μ^-$ in chiral perturbation theory and find that both decays should be observable at CEBAF. With sufficiently low thresholds on the $e^+e^-$ invariant mass a branching ratio of $\sim 10^{-5}$ may be observed for $Δ\rightarrow Ne^+e^-$. For the $Δ\rightarrow Nμ^+μ^-$ decay mode we predict a branching ratio of $3\times 10^{-7}$. The dependence of the M1 and E2 amplitudes on the momentum transfer will provide a useful test of chiral perturbation theory which predicts $\sim 20\%$ variation over the allowed kinematic range. | |
| dc.description | 6 pages, 3 figures, UCSD/PTH 93-06, QUSTH-93-02, Duke-TH-93-48 | |
| dc.identifier | https://arxiv.org/abs/nucl-th/9303015 | |
| dc.identifier | http://arxiv.org/abs/nucl-th/9303015 | |
| dc.identifier | Phys.Rev.C48:917-919,1993 | |
| dc.identifier | doi:10.1103/PhysRevC.48.917 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/192257 | |
| dc.subject | Nuclear Theory | |
| dc.title | Probing Hadronic Structure with The Decay $Δ\rightarrow Nl^+l^-$ | |
| dc.type | text |