<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mi mathvariant="bold">K</mml:mi><mml:mrow><mml:mo fontweight="bold" fontstyle="normal">−</mml:mo></mml:mrow></mml:msup><mml:mi mathvariant="bold">p</mml:mi></mml:mrow></mml:math>scattering length from scattering experiments

Borasoy, B.; Meißner, Ulf‐G.; Nißler, Robert

doi:10.1103/physrevc.74.055201

Cited by 265 publications

(394 citation statements)

References 52 publications

(112 reference statements)

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“…Energy shift ∆E and width Γ of kaonic hydrogen as determined by the KEK [32] and DEAR [33] experiments. Results from chiral SU(3) coupled-channels calculations [34,35] are also shown (see text). The expected precision from the forthcoming SIDDHARTA experiment is sketched for orientation.…”

Section: Low-energy Qcd With Strangenessmentioning

confidence: 99%

Low-energy QCD and hadronic structure

Weise

2009

Nuclear Physics A

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Recent developments and selected topics in low-energy QCD are summarized, from chiral effective field theory to systems with strange and charm quarks, from lattice QCD to precision experiments.1. Prelude: scales and symmetry breaking patterns 4.2 GeV, m t 174 GeV). The low-energy, long wavelength limit of QCD is expressed in terms of different types of effective field theories, depending on the quark masses involved: i) Low-energy QCD with light quarks is realized in the form of an effective field theory with spontaneously broken chiral symmetry, expanded around the (chiral) limit of massless quarks. The active degrees of freedom are the Nambu-Goldstone bosons of this spontaneously broken symmetry, identified with the lightest pseudoscalar mesons. The small expansion parameters are the quark masses, m q , together with low energy/momentum as compared to the characteristic chiral symmetry breaking scale, 4πf π ∼ 1 GeV (with the pion decay constant f π 0.09 GeV).ii) Low-energy QCD with heavy quarks is also realized in the form of an effective field theory, non-relativistic QCD, in which a systematic expansion is now controlled by the inverse quark mass, 1/m Q . This expansion is valid for the heaviest (b-and t-) quarks and,

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Section: Low-energy Qcd With Strangenessmentioning

confidence: 99%

Low-energy QCD and hadronic structure

Weise

2009

Nuclear Physics A

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“…[43][44][45][46][47][48][49][50][51][52][53], there is a factor −2 ffiffiffiffiffiffiffiffiffiffiffiffi…”

Section: The S-/u-channel Contributionsmentioning

confidence: 99%

“…Along the same line, the improved analyses are done in Refs. [46][47][48][49][50] and in recent works [51][52][53] considering on-shell or off-shell contributions in the interaction potentials. Within a framework based on the chiral and hidden local symmetries, Ref.…”

Section: Introductionmentioning

confidence: 99%

J/ψNinteractions revisited andΛb0→
Xiao
¹

2017
Phys. Rev. D
15
0
9
0
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Recently LHCb experiments confirmed the findings of the two P c states in the Λ 0 b → J=ψpπ − decays. In the present work, we investigate both the Λ 0 b → J=ψK − p and the Λ 0 b → J=ψpπ − decays, continuing the investigations of our former works on the interactions of J=ψN with its coupled channels by considering the s-/u-channel contributions, which are nontrivial in our results. We obtain consistent results with the previous works and the line shape of the J=ψN invariant mass distribution, which is analogous to the LHCb experiments, and favor the P c ð4450Þ state as a D Ã Σ c bound state in our theoretical model.

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“…The key ingredient of the proposed scheme is an interaction kernel taken from the chiral Lagrangian. Nowadays the aim for precision and the extension of the approach to higher energies has motivated the introduction of the next-to-leading order (NLO) terms of the chiral Lagrangian, and new fits to experimental data have been performed to determine the parameters of the higher order chiral potential [4][5][6][7][8].…”

mentioning

confidence: 99%

“…We would like to stress that the Chiral Lagrangian at NLO is known already for a long time, see Refs. [4][5][6], and the corresponding calculations are not so difficult. It's the large number of the NLO parameters, which were rather purely constrained, what was limiting the practical use of NLO chiral terms.…”

mentioning

confidence: 99%

The Role of High Spin Hyperon Resonances in the Ξ Production Meson-Baryon Reactions

Feijoo

Magas

Ramos

2017

Proceedings of the 12th International Conference on Hypernuclear and Strange Particle Physics (HYP2015)

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The Chiral SU(3) lagrangian extended to next-to-leading order (NLO) in the framework of coupledchannels has been used to study the meson-baryon interaction in S-wave in the strangeness S = −1 sector. A large set of experimental data in different two-body channels has been employed to fit the low energy constants of the lagrangian, paying special attention to theKN → KΞ reaction, which is particularly sensitive to the NLO terms. The reproduction of the structures present in the cross sections of the KΞ channels, as well as their differential cross sections, has been improved by taking into account the high spin hyperonic resonances by means of a phenomenological model.

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K−pscattering length from scattering experiments

Cited by 265 publications

References 52 publications

Low-energy QCD and hadronic structure

Low-energy QCD and hadronic structure

J/ψNinteractions revisited andΛb0→
Xiao
¹

2017
Phys. Rev. D
15
0
9
0
View full text Add to dashboard Cite

The Role of High Spin Hyperon Resonances in the Ξ Production Meson-Baryon Reactions

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K−pscattering length from scattering experiments

Cited by 265 publications

References 52 publications

Low-energy QCD and hadronic structure

Low-energy QCD and hadronic structure

J/ψNinteractions revisited andΛb0→Xiao1 2017Phys. Rev. D15090View full textAdd to dashboardCite

The Role of High Spin Hyperon Resonances in the Ξ Production Meson-Baryon Reactions

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J/ψNinteractions revisited andΛb0→
Xiao
¹

2017
Phys. Rev. D
15
0
9
0
View full text Add to dashboard Cite