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Rev. Lett."],"accepted":{"date-parts":[[2026,4,21]]},"abstract":"<jats:p>We derive an analog of the Lellouch-L\u00fcscher (LL) relation for few-body bosonic systems, linking few-body scattering loss rates to the energies and widths of the corresponding harmonically trapped few-body states. Three-body numerical simulations show that the LL relation applies across a broad range of interaction strengths and energies and allows the determination of scattering rates within a single partial wave. 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note that while \u0393q is the exponential decay rate of an single quantum state, whereas in a bulk gas L3 controls the rate of successive decays events, depleting the atom number and resulting in a non-exponential decay for the atomic density, n, according to: dn\/dt=\u2212L3n3.","type":"other"},{"key":"pzlp-7k8dCc66R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.65.042725","type":"journal-article"},{"key":"pzlp-7k8dCc67R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.84.052721","type":"journal-article"},{"key":"pzlp-7k8dCc68R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.111.013308","type":"journal-article"},{"key":"pzlp-7k8dCc69R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.103.153201","type":"journal-article"},{"key":"pzlp-7k8dCc70R1","unstructured":"See Supplemental Material at http:\/\/link.aps.org\/supplemental\/10.1103\/pzlp-7k8d for additional details of our calculations, derivations, and results, which includes Refs.\u00a0[71\u201375].","type":"other"},{"key":"pzlp-7k8dCc71R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.66.013403","type":"journal-article"},{"key":"pzlp-7k8dCc72R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.94.020402","type":"journal-article"},{"key":"pzlp-7k8dCc73R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.89.140402","type":"journal-article"},{"key":"pzlp-7k8dCc74R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.103.063321","type":"journal-article"},{"key":"pzlp-7k8dCc76R1","doi-asserted-by":"publisher","DOI":"10.1088\/1361-6455\/aaa116","type":"journal-article"},{"key":"pzlp-7k8dCc77R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.65.010705","type":"journal-article"},{"key":"pzlp-7k8dCc78R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.94.213201","type":"journal-article"},{"key":"pzlp-7k8dCc79R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.66.012705","type":"journal-article"},{"key":"pzlp-7k8dCc80R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.97.150401","type":"journal-article"},{"key":"pzlp-7k8dCc81R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.93.090404","type":"journal-article"},{"key":"pzlp-7k8dCc82R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.74.053604","type":"journal-article"},{"key":"pzlp-7k8dCc83R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.111.033302","type":"journal-article"},{"key":"pzlp-7k8dCc84R1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevA.86.062511","type":"journal-article"},{"key":"pzlp-7k8dCc85R1","unstructured":"In 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