Coupled-channel model for K¯N scattering in the resonant region

Fernández-Ramírez, Cesar; Danilkin, Igor V.; Manley, D. Mark; Mathieu, Vincent; Szczepaniak, Adam P.

doi:10.1103/PhysRevD.93.034029

Title: Coupled-channel model for $\bar{K} N$ scattering in the resonant region

Abstract

Here, we present a unitary multichannel model for $$\bar{K}$$N scattering in the resonance region that fulfills unitarity. It has the correct analytical properties for the amplitudes once they are extended to the complex-$$s$$ plane and the partial waves have the right threshold behavior. In order to determine the parameters of the model, we have fitted single-energy partial waves up to J = 7/2 and up to 2.15 GeV of energy in the center-of-mass reference frame obtaining the poles of the Λ* and Σ* resonances, which are compared to previous analyses. Furthermore, we provide the most comprehensive picture of the S = –1 hyperon spectrum to date. Here, important differences are found between the available analyses making the gathering of further experimental information on $$\bar{K}$$N scattering mandatory to make progress in the assessment of the hyperon spectrum.

Authors:

Fernández-Ramírez, Cesar ^[1]; Danilkin, Igor V. ^[2]; Manley, D. Mark ^[3]; Mathieu, Vincent ^[4]; Szczepaniak, Adam P. ^[5]

Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Univ. Nacional Autonoma de Mexico (Mexico)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Johannes Gutenberg Univ., Mainz (Germany)
Kent State Univ., Kent, OH (United States)
Indiana Univ., Bloomington, IN (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Indiana Univ., Bloomington, IN (United States)

Publication Date:: 2016-02-18

Research Org.:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Org.:: Joint Physics Analysis Center

OSTI Identifier:: 1245187

Alternate Identifier(s):: OSTI ID: 1238402

Report Number(s):: JLAB-THY-15-2152; DOE/OR/23177-3587; arXiv:1510.07065
Journal ID: ISSN 2470-0010; PRVDAQ

Grant/Contract Number:: AC05-06OR23177; FG0287ER40365; FG02-01ER41194; PHY1415459; PHY1205019

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review D

Additional Journal Information:: Journal Volume: 93; Journal Issue: 3; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Fernández-Ramírez, Cesar, Danilkin, Igor V., Manley, D. Mark, Mathieu, Vincent, and Szczepaniak, Adam P. Coupled-channel model for K¯N scattering in the resonant region.  United States: N. p., 2016. 
Web.  doi:10.1103/PhysRevD.93.034029.

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                    Fernández-Ramírez, Cesar, Danilkin, Igor V., Manley, D. Mark, Mathieu, Vincent, & Szczepaniak, Adam P. Coupled-channel model for K¯N scattering in the resonant region.  United States.  https://doi.org/10.1103/PhysRevD.93.034029

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                    Fernández-Ramírez, Cesar, Danilkin, Igor V., Manley, D. Mark, Mathieu, Vincent, and Szczepaniak, Adam P. Thu .  
"Coupled-channel model for K¯N scattering in the resonant region".  United States.  https://doi.org/10.1103/PhysRevD.93.034029.  https://www.osti.gov/servlets/purl/1245187.

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@article{osti_1245187,

  title        = {Coupled-channel model for K¯N scattering in the resonant region},

  author       = {Fernández-Ramírez, Cesar and Danilkin, Igor V. and Manley, D. Mark and Mathieu, Vincent and Szczepaniak, Adam P.},

  abstractNote = {Here, we present a unitary multichannel model for $\bar{K}$N scattering in the resonance region that fulfills unitarity. It has the correct analytical properties for the amplitudes once they are extended to the complex-$s$ plane and the partial waves have the right threshold behavior. In order to determine the parameters of the model, we have fitted single-energy partial waves up to J = 7/2 and up to 2.15 GeV of energy in the center-of-mass reference frame obtaining the poles of the Λ* and Σ* resonances, which are compared to previous analyses. Furthermore, we provide the most comprehensive picture of the S = –1 hyperon spectrum to date. Here, important differences are found between the available analyses making the gathering of further experimental information on $\bar{K}$N scattering mandatory to make progress in the assessment of the hyperon spectrum.},

  doi          = {10.1103/PhysRevD.93.034029},

  journal      = {Physical Review D},

  number       = 3,

  volume       = 93,

  place        = {United States},

  year         = {2016},

  month        = {2}

}

Copy to clipboard

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Works referenced in this record:

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Works referencing / citing this record:

A hidden-charm $$\varvec{S=-1}$$ S = - 1 pentaquark from the decay of $$\varvec{\varLambda _b}$$ Λ b into $$\varvec{J/\psi \, \eta \varLambda }$$ J / ψ η Λ states
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Feijoo, A.; Magas, V. K.; Ramos, A.
The European Physical Journal C, Vol. 76, Issue 8
DOI: 10.1140/epjc/s10052-016-4302-7

What is the right formalism to search for resonances? II. The pentaquark chain: Joint Physics Analysis Center
journal, September 2018

Pilloni, A.; Nys, J.; Mikhasenko, M.
The European Physical Journal C, Vol. 78, Issue 9
DOI: 10.1140/epjc/s10052-018-6177-2

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Title: Coupled-channel model for K ¯ N scattering in the resonant region

Abstract

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Multichannel parametrization of π N scattering amplitudes and extraction of resonance parameters journal, November 2012

Elastic scattering of negative kaons on polarized protons between 1.4 and 2.4 GeV/c journal, July 1968

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An improved partial wave analysis of KN → KN from 800 to 1200 MeV/c journal, October 1971

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K−p cross sections between 1.1 and 1.4 GeV/c journal, July 1975

K−p reactions from 0.960 to 1.355 GeV/c involving two-body final states journal, March 1976

K−p cross sections from440 to 800 MeV/c journal, January 1970

Measurement of π 0 Λ , K ¯ 0 n , and π 0 Σ 0 production in K − p interactions for p K − between 514 and 750 MeV/ c journal, August 2009

The reaction K−p→Λπo in the c.m. energy range 1915 to 2168 MeV journal, July 1970

A study of neutral final states in K− p interactions in the range from 690 to 934 MeV/c journal, December 1973

Study of the reactions K−p → Λ0+ neutrals in the C.M. energy range from 1580 to 1750 MeV journal, January 1975

The reactions K−p → Σ±π∓ in the c.m. energy range 1915 to 2168 MeV journal, December 1970

Measurement of the K − p → Σ 0 π 0 reaction between 514 and 750 MeV/ c journal, January 2008

Partial-wave analysis of K ¯ N scattering reactions journal, September 2013

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A hidden-charm $$\varvec{S=-1}$$ S = - 1 pentaquark from the decay of $$\varvec{\varLambda _b}$$ Λ b into $$\varvec{J/\psi \, \eta \varLambda }$$ J / ψ η Λ states journal, August 2016

What is the right formalism to search for resonances? II. The pentaquark chain: Joint Physics Analysis Center journal, September 2018

Title: Coupled-channel model for $\bar{K} N$ scattering in the resonant region

Multichannel parametrization of $\bar{K} N$ scattering amplitudes and extraction of resonance parameters
journal, September 2013

Dynamical coupled-channels model of $K^{-} p$ reactions: Determination of partial-wave amplitudes
journal, December 2014

Dynamical coupled-channels model of $K^{-} p$ reactions. II. Extraction of $Λ^{}$ and $Σ^{}$ hyperon resonances
journal, August 2015

Review of Particle Physics
journal, August 2014

Observation of $J / ψ p$ Resonances Consistent with Pentaquark States in $Λ_{b}^{0} \to J / ψ K^{-} p$ Decays
journal, August 2015

Analysis Tools for Next-Generation Hadron Spectroscopy Experiments
journal, January 2015

Physics opportunities with the 12 GeV upgrade at Jefferson Lab
journal, December 2012

Resonance Reactions and Anomalous Scattering
journal, July 1946

The phenomenological representation of K-nucleon scattering and reaction amplitudes
journal, July 1960

Resonances in coupled channels in nuclear and particle physics
journal, February 1982

Multichannel parametrization of $π N$ scattering amplitudes and extraction of resonance parameters
journal, November 2012

Elastic scattering of negative kaons on polarized protons between 1.4 and 2.4 GeV/c
journal, July 1968

Polarization in elastic K−p scattering at six momenta between 982 MeV/c and 1732 MeV/c
journal, January 1970

Elastic scattering of negative kaons on polarized protons between 865 and 1330 MeV/c
journal, June 1971

An improved partial wave analysis of KN → KN from 800 to 1200 MeV/c
journal, October 1971

Measurement of K−p elastic differential cross sections between 610 and 943 MeV/c
journal, September 1975

Differential cross sections for $K^{-} p$ elastic scattering from 1.4 to 1.9 GeV/ c
journal, July 1975

Elastic, charge-exchange, and total $K^{-} p$ cross sections in the momentum range 220 to 470 MeV/ c
journal, July 1976

Differential cross section of the reaction $K^{-} p \to {\bar{K}}^{0} n$ from 515 to 956 MeV/ c
journal, May 1978

The KN interaction from 800 to 1200 MeV/c (I). K−p cross sections
journal, December 1968

K−p charge exchange and hyperon production cross sections from 860 to 1000 MeV/c
journal, January 1975

K−p cross sections between 1.1 and 1.4 GeV/c
journal, July 1975

K−p reactions from 0.960 to 1.355 GeV/c involving two-body final states
journal, March 1976

K−p cross sections from440 to 800 MeV/c
journal, January 1970

Measurement of $π^{0} Λ$ , ${\bar{K}}^{0} n$ , and $π^{0} Σ^{0}$ production in $K^{-} p$ interactions for $p_{K^{-}}$ between 514 and 750 MeV/ $c$
journal, August 2009

The reaction K−p→Λπo in the c.m. energy range 1915 to 2168 MeV
journal, July 1970

A study of neutral final states in K− p interactions in the range from 690 to 934 MeV/c
journal, December 1973

Study of the reactions K−p → Λ0+ neutrals in the C.M. energy range from 1580 to 1750 MeV
journal, January 1975

The reactions K−p → Σ±π∓ in the c.m. energy range 1915 to 2168 MeV
journal, December 1970

Measurement of the $K^{-} p \to Σ^{0} π^{0}$ reaction between 514 and 750 MeV/ $c$
journal, January 2008

Partial-wave analysis of $\bar{K} N$ scattering reactions
journal, September 2013

Minuit - a system for function minimization and analysis of the parameter errors and correlations
journal, December 1975

Properties of nucleon resonances by means of a genetic algorithm
journal, June 2008

Chiral dynamics in the presence of bound states: kaon–nucleon interactions revisited
journal, February 2001

Chiral dynamics of the two Λ(1405) states
journal, September 2003

Effective $\bar{K} N$ interaction based on chiral SU(3) dynamics
journal, March 2008

Meson-baryon reactions with strangeness $- 1$ within a chiral framework
journal, March 2013

The nature of the resonance in chiral dynamics
journal, January 2012

Constraints on the chiral unitary $$\bar KN$$ amplitude from πΣK+ photoproduction data
journal, March 2015

Predictions for the $${\varvec{\Lambda }_b \rightarrow J/\psi ~ \Lambda (1405)}$$ Λ b → J / ψ Λ ( 1405 ) decay
journal, May 2015

Negative parity $Λ$ and $Σ$ resonances coupled to pseudoscalar and vector mesons
journal, June 2012

Theoretical study of $Λ$ resonances from an analysis of Crystal Ball $K^{-} p \to π^{0} Σ^{0}$ reaction data with center-of-mass energies of 1536–1676 MeV
journal, March 2015

$Σ$ resonances from $K^{-} N \to π Λ$ reactions with center-of-mass energies from 1550 to 1676 MeV
journal, August 2012

Three-body resonances in two-meson–one-baryon systems
journal, April 2008

Properties of Regge trajectories
journal, June 2000

Hadronic Regge trajectories: Problems and approaches
journal, February 2001

Baryon spectroscopy
journal, April 2010

Toward complete pion nucleon amplitudes
journal, October 2015

Physics opportunities with meson beams
journal, October 2015

A hidden-charm $$\varvec{S=-1}$$ S = - 1 pentaquark from the decay of $$\varvec{\varLambda _b}$$ Λ b into $$\varvec{J/\psi \, \eta \varLambda }$$ J / ψ η Λ states
journal, August 2016

What is the right formalism to search for resonances? II. The pentaquark chain: Joint Physics Analysis Center
journal, September 2018