Threshold parameters of K scattering in QCD

Véronique Bernard; Norbert Kaiser; Ulf G. Meissner

doi:10.1103/PhysRevD.43.R2757

Threshold parameters of K scattering in QCD

Véronique Bernard
, Norbert Kaiser
, Ulf G. Meissner

Centre de Recherches Nucléaires
University of Bern

Research output: Contribution to journal › Article › peer-review

97 Scopus citations

Abstract

We evaluate the low-energy expansion of the K scattering amplitude to one-loop order in chiral perturbation theory. We predict the pertinent scattering lengths and effective-range parameters beyond the current-algebra values. We compare to the existing data and point towards the need of more accurate experiments.

Original language	English
Pages (from-to)	R2757-R2760
Journal	Physical Review D
Volume	43
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.43.R2757
State	Published - 1991
Externally published	Yes

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title = "Threshold parameters of K scattering in QCD",

abstract = "We evaluate the low-energy expansion of the K scattering amplitude to one-loop order in chiral perturbation theory. We predict the pertinent scattering lengths and effective-range parameters beyond the current-algebra values. We compare to the existing data and point towards the need of more accurate experiments.",

author = "V{\'e}ronique Bernard and Norbert Kaiser and Meissner, \{Ulf G.\}",

year = "1991",

doi = "10.1103/PhysRevD.43.R2757",

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AU - Bernard, Véronique

AU - Kaiser, Norbert

AU - Meissner, Ulf G.

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N2 - We evaluate the low-energy expansion of the K scattering amplitude to one-loop order in chiral perturbation theory. We predict the pertinent scattering lengths and effective-range parameters beyond the current-algebra values. We compare to the existing data and point towards the need of more accurate experiments.

AB - We evaluate the low-energy expansion of the K scattering amplitude to one-loop order in chiral perturbation theory. We predict the pertinent scattering lengths and effective-range parameters beyond the current-algebra values. We compare to the existing data and point towards the need of more accurate experiments.

UR - https://www.scopus.com/pages/publications/33646657749

U2 - 10.1103/PhysRevD.43.R2757

DO - 10.1103/PhysRevD.43.R2757

M3 - Article

AN - SCOPUS:33646657749

SN - 0556-2821

VL - 43

SP - R2757-R2760

JO - Physical Review D

JF - Physical Review D

IS - 9

ER -

Threshold parameters of K scattering in QCD

Abstract

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