Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations

Hu, B.; Molina, R.; Döring, M.; Mai, M.; Alexandru, A.

doi:10.1103/PhysRevD.96.034520

Title: Chiral extrapolations of the $ρ (770)$ meson in $N_{f} = 2 + 1$ lattice QCD simulations

Abstract

Recent $$N_f=2+1$$ lattice data for meson-meson scattering in $$p$$-wave and isospin $I=1$ are analyzed using a unitarized model inspired by Chiral Perturbation Theory in the inverse-amplitude formulation for two and three flavors. We perform chiral extrapolations that postdict phase shifts extracted from experiment quite well. Additionally, the low-energy constants are compared to the ones from a recent analysis of $$N_f=2$$ lattice QCD simulations to check for the consistency of the hadronic model used here. Some inconsistencies are detected in the fits to $$N_f=2+1$$ data, in contrast to the previous analysis of $$N_f=2$$ data.

Authors:

Hu, B. ^[1]; Molina, R. ^[1]; Döring, M. ^[2]; Mai, M. ^[1]; Alexandru, A. ^[3]

George Washington Univ., Washington, DC (United States)
George Washington Univ., Washington, DC (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
George Washington Univ., Washington, DC (United States); Univ. of Bern (Switzerland). Albert Einstein Center for Fundamental Physics

Publication Date:: 2017-08-24

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

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)

OSTI Identifier:: 1377015

Alternate Identifier(s):: OSTI ID: 1376956

Report Number(s):: JLAB-THY-17-2445; DOE/OR/23177-4126; arXiv:1704.06248
Journal ID: ISSN 2470-0010; PRVDAQ

Grant/Contract Number:: 1452055; AC05-06OR23177; SC0016582; FG02-95ER40907; MA 7156/1

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review D

Additional Journal Information:: Journal Volume: 96; 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


                    Hu, B., Molina, R., Döring, M., Mai, M., and Alexandru, A. Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevD.96.034520.

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                    Hu, B., Molina, R., Döring, M., Mai, M., & Alexandru, A. Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations.  United States.  https://doi.org/10.1103/PhysRevD.96.034520

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                    Hu, B., Molina, R., Döring, M., Mai, M., and Alexandru, A. Thu .  
"Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations".  United States.  https://doi.org/10.1103/PhysRevD.96.034520.  https://www.osti.gov/servlets/purl/1377015.

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@article{osti_1377015,

  title        = {Chiral extrapolations of the ρ(770) meson in Nf=2+1 lattice QCD simulations},

  author       = {Hu, B. and Molina, R. and Döring, M. and Mai, M. and Alexandru, A.},

  abstractNote = {Recent $N_f=2+1$ lattice data for meson-meson scattering in $p$-wave and isospin $I=1$ are analyzed using a unitarized model inspired by Chiral Perturbation Theory in the inverse-amplitude formulation for two and three flavors. We perform chiral extrapolations that postdict phase shifts extracted from experiment quite well. Additionally, the low-energy constants are compared to the ones from a recent analysis of $N_f=2$ lattice QCD simulations to check for the consistency of the hadronic model used here. Some inconsistencies are detected in the fits to $N_f=2+1$ data, in contrast to the previous analysis of $N_f=2$ data.},

  doi          = {10.1103/PhysRevD.96.034520},

  journal      = {Physical Review D},

  number       = 3,

  volume       = 96,

  place        = {United States},

  year         = {2017},

  month        = {8}

}

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Volume dependence of the energy spectrum in massive quantum field theories: I. Stable particle states journal, June 1986

Resonance parameters of the rho-meson from asymmetrical lattices journal, January 2013

Erratum: Meson-meson interactions in a nonperturbative chiral approach [Phys. Rev. D 59, 074001 (1999)] journal, October 1999

Multiple-channel generalization of Lellouch-Lüscher formula journal, July 2012

Relating the finite-volume spectrum and the two-and-three-particle S matrix for relativistic systems of identical scalar particles journal, April 2017

Inverse amplitude method and Adler zeros journal, March 2008

Chiral Perturbation Theory and Final-State Theorem journal, November 1988

The role of the background in the extraction of resonance contributions from meson–baryon scattering journal, October 2009

A method to measure the antikaon–nucleon scattering length in lattice QCD journal, November 2009

Strange and nonstrange quark mass dependence of elastic light resonances from SU(3) unitarized chiral perturbation theory to one loop journal, March 2010

Timelike pion form factor in lattice QCD journal, March 2015

Chiral perturbation theory: Expansions in the mass of the strange quark journal, January 1985

Chiral dynamics and S-wave contributions in semileptonic B decays journal, October 2013

ρ and K * resonances on the lattice at nearly physical quark masses and N f = 2 journal, March 2016

Resonance scattering phase shifts on a non-rest-frame lattice journal, September 1995

Two Particle States in a box and the S-Matrix in Multi-Channel Scattering journal, February 2006

Infrared regularization for spin-1 fields journal, March 2005

Three particles in a finite volume journal, May 2012

Coupled π π , K K ¯ scattering in P -wave and the ρ resonance from lattice QCD journal, November 2015

Nature of the f 0 ( 600 ) Scalar Meson from its N c Dependence at Two Loops in Unitarized Chiral Perturbation Theory journal, December 2006

Lattice QCD calculation of the ρ meson decay width journal, November 2007

Resonance parameters of the ρ meson from lattice QCD journal, May 2011

Chiral perturbation theory to one loop journal, November 1984

How to calculate the elastic scattering matrix in two-dimensional quantum field theories by numerical simulation journal, July 1990

Expressing the three-particle finite-volume spectrum in terms of the three-to-three scattering amplitude journal, December 2015

Pion form factors from two-flavor lattice QCD with exact chiral symmetry journal, August 2009

Meson-meson scattering within one-loop chiral perturbation theory and its unitarization journal, January 2002

Scrutinizing the η-η′ mixing, masses and pseudoscalar decay constants in the framework of U(3) chiral effective field theory journal, June 2015

π π Partial-Wave Analysis from Reactions π + p → π + π − Δ + + and π + p → K + K − Δ + + at 7.1 GeV/ c journal, March 1973

Volume dependence of the energy spectrum in massive quantum field theories: II. Scattering states journal, June 1986

The optical potential on the lattice journal, June 2016

Dispersive analysis of ω→3π and ϕ→3π decays journal, May 2012

Erratum: Meson-meson interactions in a nonperturbative chiral approach [Phys. Rev. D 59 , 074001 (1999)] journal, May 2007

Dynamical generation and dynamical reconstruction journal, October 2009

A new analysis of $\pi K$ scattering from Roy and Steiner type equations journal, March 2004

Two particle states in an asymmetric box and the elastic scattering phases journal, July 2004

I = 1 and I = 2 π – π scattering phase shifts from N f = 2 + 1 lattice QCD journal, September 2016

Coupled channel analysis of the ρ meson decay in lattice QCD journal, September 2011

Isoscalar π π Scattering and the σ Meson Resonance from QCD journal, January 2017

Meson-meson interactions in a nonperturbative chiral approach journal, February 1999

Scalar mesons moving in a finite volume and the role of partial wave mixing journal, August 2012

Chiral extrapolation of light resonances from one and two-loop unitarized chiral perturbation theory versus lattice results journal, December 2010

Erratum: Coupled channel analysis of the ρ meson decay in lattice QCD [Phys. Rev. D 84, 054503 (2011)] journal, March 2014

Dynamical coupled-channel approaches on a momentum lattice journal, December 2011

Rho resonance parameters from lattice QCD journal, August 2016

Energy dependence of the ρ resonance in π π elastic scattering from lattice QCD journal, February 2013

Two-particle states on a torus and their relation to the scattering matrix journal, May 1991

ρ meson decay in 2 + 1 flavor lattice QCD journal, November 2011

π π interaction in the ρ channel in finite volume journal, January 2013

Unitarized Chiral Perturbation Theory in a finite volume: Scalar meson sector journal, November 2011

Two-Flavor Simulations of ρ ( 770 ) and the Role of the K K ¯ Channel journal, September 2016

Studying the ρ resonance parameters with staggered fermions journal, August 2016

Three particles in a finite volume conference, October 2012

Multiple-channel generalization of Lellouch-Lüscher formula conference, December 2012

Isoscalar ππ Scattering and the σ Meson Resonance from QCD text, January 2017

The role of the background in the extraction of resonance contributions from meson-baryon scattering text, January 2009

Dynamical generation and dynamical reconstruction text, January 2009

Strange and non-strange quark mass dependence of elastic light resonances from SU(3) Unitarized Chiral Perturbation Theory to one loop text, January 2010

Coupled channel analysis of the rho meson decay in lattice QCD text, January 2011

Scalar mesons moving in a finite volume and the role of partial wave mixing text, January 2012

Expressing the three-particle finite-volume spectrum in terms of the three-to-three scattering amplitude text, January 2015

Rho resonance parameters from lattice QCD text, January 2016

Relating the finite-volume spectrum and the two-and-three-particle $S$ matrix for relativistic systems of identical scalar particles text, January 2017

Two Particle States in an Asymmetric Box and the Elastic Scattering Phases text, January 2004

Resonance Scattering Phase Shifts on a Non-Rest Frame Lattice text, January 1995

Infrared regularization for spin-1 fields text, January 2004

Meson-Meson interaction in a non-perturbative chiral approach text, January 1998

Status of the $${\mathbf {\Lambda (1405)}}$$ Λ ( 1405 ) journal, April 2018

Pion scattering in the isospin I = 2 channel from elongated lattices journal, August 2019

Cross-channel study of pion scattering from lattice QCD journal, December 2019

Extraction of isoscalar π π phase shifts from lattice QCD journal, July 2018

Variational approach to N -body interactions in finite volume journal, November 2018

Three-body unitarity in the finite volume journal, December 2017

Quark-mass dependence in $$\omega \rightarrow 3\pi $$ ω → 3 π decays journal, October 2018

Three-body Unitarity in the Finite Volume text, January 2017

Title: Chiral extrapolations of the $ρ (770)$ meson in $N_{f} = 2 + 1$ lattice QCD simulations

Scalar mesons in a finite volume
journal, January 2011

Connecting physical resonant amplitudes and lattice QCD
journal, June 2016

Volume dependence of the energy spectrum in massive quantum field theories: I. Stable particle states
journal, June 1986

Resonance parameters of the rho-meson from asymmetrical lattices
journal, January 2013

Erratum: Meson-meson interactions in a nonperturbative chiral approach [Phys. Rev. D 59, 074001 (1999)]
journal, October 1999

Multiple-channel generalization of Lellouch-Lüscher formula
journal, July 2012

Relating the finite-volume spectrum and the two-and-three-particle $S$ matrix for relativistic systems of identical scalar particles
journal, April 2017

Inverse amplitude method and Adler zeros
journal, March 2008

Chiral Perturbation Theory and Final-State Theorem
journal, November 1988

The role of the background in the extraction of resonance contributions from meson–baryon scattering
journal, October 2009

A method to measure the antikaon–nucleon scattering length in lattice QCD
journal, November 2009

Strange and nonstrange quark mass dependence of elastic light resonances from SU(3) unitarized chiral perturbation theory to one loop
journal, March 2010

Timelike pion form factor in lattice QCD
journal, March 2015

Chiral perturbation theory: Expansions in the mass of the strange quark
journal, January 1985

Chiral dynamics and S-wave contributions in semileptonic B decays
journal, October 2013

$ρ$ and $K^{*}$ resonances on the lattice at nearly physical quark masses and $N_{f} = 2$
journal, March 2016

Resonance scattering phase shifts on a non-rest-frame lattice
journal, September 1995

Two Particle States in a box and the S-Matrix in Multi-Channel Scattering
journal, February 2006

Infrared regularization for spin-1 fields
journal, March 2005

Three particles in a finite volume
journal, May 2012

Coupled $π π$ , $K \bar{K}$ scattering in $P$ -wave and the $ρ$ resonance from lattice QCD
journal, November 2015

Nature of the $f_{0} (600)$ Scalar Meson from its $N_{c}$ Dependence at Two Loops in Unitarized Chiral Perturbation Theory
journal, December 2006

Lattice QCD calculation of the $ρ$ meson decay width
journal, November 2007

Resonance parameters of the $ρ$ meson from lattice QCD
journal, May 2011

Chiral perturbation theory to one loop
journal, November 1984

How to calculate the elastic scattering matrix in two-dimensional quantum field theories by numerical simulation
journal, July 1990

Expressing the three-particle finite-volume spectrum in terms of the three-to-three scattering amplitude
journal, December 2015

Pion form factors from two-flavor lattice QCD with exact chiral symmetry
journal, August 2009

Meson-meson scattering within one-loop chiral perturbation theory and its unitarization
journal, January 2002

Scrutinizing the η-η′ mixing, masses and pseudoscalar decay constants in the framework of U(3) chiral effective field theory
journal, June 2015

$π π$ Partial-Wave Analysis from Reactions $π^{+} p \to π^{+} π^{-} Δ^{+ +}$ and $π^{+} p \to K^{+} K^{-} Δ^{+ +}$ at 7.1 GeV/ c
journal, March 1973

Volume dependence of the energy spectrum in massive quantum field theories: II. Scattering states
journal, June 1986

The optical potential on the lattice
journal, June 2016

Dispersive analysis of ω→3π and ϕ→3π decays
journal, May 2012

Erratum: Meson-meson interactions in a nonperturbative chiral approach [Phys. Rev. D 59 , 074001 (1999)]
journal, May 2007

Dynamical generation and dynamical reconstruction
journal, October 2009

A new analysis of $\pi K$ scattering from Roy and Steiner type equations
journal, March 2004

Two particle states in an asymmetric box and the elastic scattering phases
journal, July 2004

I = 1 and I = 2 π – π scattering phase shifts from N f = 2 + 1 lattice QCD
journal, September 2016

Coupled channel analysis of the $ρ$ meson decay in lattice QCD
journal, September 2011

Isoscalar $π π$ Scattering and the $σ$ Meson Resonance from QCD
journal, January 2017

Meson-meson interactions in a nonperturbative chiral approach
journal, February 1999

Scalar mesons moving in a finite volume and the role of partial wave mixing
journal, August 2012

Chiral extrapolation of light resonances from one and two-loop unitarized chiral perturbation theory versus lattice results
journal, December 2010

Erratum: Coupled channel analysis of the $ρ$ meson decay in lattice QCD [Phys. Rev. D 84, 054503 (2011)]
journal, March 2014

Dynamical coupled-channel approaches on a momentum lattice
journal, December 2011

Rho resonance parameters from lattice QCD
journal, August 2016

Energy dependence of the $ρ$ resonance in $π π$ elastic scattering from lattice QCD
journal, February 2013

Two-particle states on a torus and their relation to the scattering matrix
journal, May 1991

$ρ$ meson decay in $2 + 1$ flavor lattice QCD
journal, November 2011

$π π$ interaction in the $ρ$ channel in finite volume
journal, January 2013

Unitarized Chiral Perturbation Theory in a finite volume: Scalar meson sector
journal, November 2011

Two-Flavor Simulations of $ρ (770)$ and the Role of the $K \bar{K}$ Channel
journal, September 2016

Studying the $ρ$ resonance parameters with staggered fermions
journal, August 2016

Three particles in a finite volume
conference, October 2012

Multiple-channel generalization of Lellouch-Lüscher formula
conference, December 2012

Isoscalar ππ Scattering and the σ Meson Resonance from QCD
text, January 2017

The role of the background in the extraction of resonance contributions from meson-baryon scattering
text, January 2009

Dynamical generation and dynamical reconstruction
text, January 2009

Strange and non-strange quark mass dependence of elastic light resonances from SU(3) Unitarized Chiral Perturbation Theory to one loop
text, January 2010

Coupled channel analysis of the rho meson decay in lattice QCD
text, January 2011

Scalar mesons moving in a finite volume and the role of partial wave mixing
text, January 2012

Expressing the three-particle finite-volume spectrum in terms of the three-to-three scattering amplitude
text, January 2015

Rho resonance parameters from lattice QCD
text, January 2016

Relating the finite-volume spectrum and the two-and-three-particle $S$ matrix for relativistic systems of identical scalar particles
text, January 2017

Two Particle States in an Asymmetric Box and the Elastic Scattering Phases
text, January 2004

Resonance Scattering Phase Shifts on a Non-Rest Frame Lattice
text, January 1995

Infrared regularization for spin-1 fields
text, January 2004

Meson-Meson interaction in a non-perturbative chiral approach
text, January 1998

Status of the $${\mathbf {\Lambda (1405)}}$$ Λ ( 1405 )
journal, April 2018

Pion scattering in the isospin $I = 2$ channel from elongated lattices
journal, August 2019

Cross-channel study of pion scattering from lattice QCD
journal, December 2019

Extraction of isoscalar $π π$ phase shifts from lattice QCD
journal, July 2018

Variational approach to $N$ -body interactions in finite volume
journal, November 2018

Three-body unitarity in the finite volume
journal, December 2017

Quark-mass dependence in $$\omega \rightarrow 3\pi $$ ω → 3 π decays
journal, October 2018

Three-body Unitarity in the Finite Volume
text, January 2017

Variational approach to $N$-body interactions in finite volume
text, January 2018