RECORD
Can the Lambda pi scattering phase shifts be large?
High Energy Physics - Phenomenology · Submitted 17 Nov 2000
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim Within a coupled-channel K-matrix approach, we find that the S-wave phase shift could be as large as -7 degrees.
The compiled record
The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
Open the compiled record
The abstract, sentence by sentence
Motivated by the presence of nearby thresholds in other baryon-meson channels with I=1 and S=-1, we investigate whether the Lambda pi scattering phase shifts at a center-of-mass energy equal to the Xi mass could be larger than suggested by lowest-order chiral perturbation theory. Within a coupled-channel K-matrix approach, we find that the S-wave phase shift could be as large as -7 degrees.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Motivated by the presence of nearby thresholds in other baryon-meson channels with I=1 and S=-1, we investigate whether the Lambda pi scattering phase shifts at a center-of-mass energy equal to the Xi mass could be larger than suggested by lowest-order chiral perturbation theory. | background 0.50 | 0.19 | 0.06 | hedged possibility 0.76 |
| s1 | Within a coupled-channel K-matrix approach, we find that the S-wave phase shift could be as large as -7 degrees. | result 1.00 | 0.96 | 0.87 | hedged possibility 0.84 |
What was examined, and what was not
- arXiv listing abstract v1
- full text
- figures and tables
- references and citing sentences
- relations to other papers
- P abstract
- S sections
- T body sentences
- C citations
- R cross-paper relations
The paper
Original abstract
Motivated by the presence of nearby thresholds in other baryon-meson channels with I=1 and S=-1, we investigate whether the Lambda pi scattering phase shifts at a center-of-mass energy equal to the Xi mass could be larger than suggested by lowest-order chiral perturbation theory. Within a coupled-channel K-matrix approach, we find that the S-wave phase shift could be as large as -7 degrees.
Human review
References
How the literature uses it
2 arXiv papers cite this in 3 sentences
Papers whose main result relates to this one's
States a conflicting result 2 papers
-
We find 0^\circ \le \delta_0 \le 1.1^\circ in agreement with previous chiral perturbation theory calculations (or extensions thereof).
-
We find the S-wave phase shift to be small, of the order of 0.3 degrees and bounded by 0.5 degrees.
Papers citing it · 2 sentences without a confident label
Uses its data or values 1 paper
-
On the theoretical side, various analyses have produced different results [ref] , the latest one being $δ_2^P-δ_2^S=8.8(2)^∘$ [ref] , which is compatible with one of the earlier predictions [ref] and will be used in updating the $A_CP^[Ξ-]$ prediction.
Study of CP violation in hyperon decays at Super Charm-Tau Factories with a polarized electron beam · CP violation phenomenology · 0.84
Discussion
Know something about this paper? Leave a comment, or highlight any passage above to comment on it.