Reggeized K^*(892) exchange in π^- p → K⁰ Λ and implications for fixed-target measurements

@misc{wang2026reggeized,
  title = {{Reggeized $K^*(892)$ exchange in $π^- p \to K^0 Λ$ and implications for fixed-target measurements}},
  author = {Hao-Nan Wang and Cheng Chen and Yue Ma and Ju-Jun Xie},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.37109},
  eprint = {2610.37109},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.37109},
}

TY  - UNPB
TI  - Reggeized K^*(892) exchange in π^- p → K^0 Λ and implications for fixed-target measurements
AU  - Hao-Nan Wang
AU  - Cheng Chen
AU  - Yue Ma
AU  - Ju-Jun Xie
PY  - 2026
DA  - 2026/10/28
PB  - arXiv
DO  - 10.48550/arxiv.2610.37109
UR  - https://arxiv.org/abs/2610.37109
AB  - The two-body π^- p → K^0 Λ reaction provides a clean channel for studying strangeness production and producing tagged hyperon Λ samples. We describe its total cross section over the π^- beam momentum 2.6 ≤ p_π, lab ≤ 6.0 GeV/c using a single Reggeized t-channel K^*(892) exchange without polarization. We also examine the implications for future fixed-target measurements. An idealized event sample is used to determine the laboratory momentum and polar-angle distributions of the charged particles from K_S^0 → π^+ π^- and Λ→ p π^-. The K_S^0 decayed two pions are strongly forward, whereas the proton and pion from the Λ decay extend to larger angles and lower momenta. These distributions provide a kinematic baseline for future acceptance and tracking studies.
ER  -