Excited-state spectroscopy of triply bottom baryons from lattice QCD

Meinel, Stefan

doi:10.1103/PhysRevD.85.114510

Title: Excited-state spectroscopy of triply bottom baryons from lattice QCD

Abstract

Here, the spectrum of baryons containing three b quarks is calculated in nonperturbative QCD, using the lattice regularization. The energies of ten excited bbb states with J^P = 1/2⁺, 3/2⁺, 5/2⁺, 7/2⁺, 1/2^–, and 3/2^– are determined with high precision. A domain-wall action is used for the up, down, and strange quarks, and the bottom quarks are implemented with nonrelativistic QCD. The computations are done at lattice spacings of a ≈ 0.11 fm and a ≈ 0.08 fm, and the results demonstrate the improvement of rotational symmetry as a is reduced. A large lattice volume of (2.7 fm)³ is used, and extrapolations of the bbb spectrum to realistic values of the light sea-quark masses are performed. All spin-dependent energy splittings are resolved with total uncertainties of order 1 MeV, and the dependence of these splittings on the couplings in the nonrelativistic QCD action is analyzed.

Authors:

Meinel, Stefan ^[1]

College of William and Mary, Williamsburg, VA (United States)

Publication Date:: Mon Jun 25 00:00:00 EDT 2012

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

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1045829

Alternate Identifier(s):: OSTI ID: 1103650

Report Number(s):: JLAB-THY-12-1587; DOE/OR/23177-2209; arXiv:1202.1312
Journal ID: ISSN 1550-7998; PRVDAQ; TRN: US1203645

Grant/Contract Number:: AC05-06OR23177

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review. D, Particles, Fields, Gravitation and Cosmology

Additional Journal Information:: Journal Volume: 85; Journal Issue: 11; Journal ID: ISSN 1550-7998

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ACCURACY; B QUARKS; BARYONS; QUANTUM CHROMODYNAMICS; QUARKS; SPECTROSCOPY; SYMMETRY

Citation Formats


                    Meinel, Stefan. Excited-state spectroscopy of triply bottom baryons from lattice QCD.  United States: N. p., 2012. 
Web.  doi:10.1103/PhysRevD.85.114510.

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                    Meinel, Stefan. Excited-state spectroscopy of triply bottom baryons from lattice QCD.  United States.  https://doi.org/10.1103/PhysRevD.85.114510

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                    Meinel, Stefan. Mon .  
"Excited-state spectroscopy of triply bottom baryons from lattice QCD".  United States.  https://doi.org/10.1103/PhysRevD.85.114510.  https://www.osti.gov/servlets/purl/1045829.

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@article{osti_1045829,

  title        = {Excited-state spectroscopy of triply bottom baryons from lattice QCD},

  author       = {Meinel, Stefan},

  abstractNote = {Here, the spectrum of baryons containing three b quarks is calculated in nonperturbative QCD, using the lattice regularization. The energies of ten excited bbb states with JP = 1/2+, 3/2+, 5/2+, 7/2+, 1/2–, and 3/2– are determined with high precision. A domain-wall action is used for the up, down, and strange quarks, and the bottom quarks are implemented with nonrelativistic QCD. The computations are done at lattice spacings of a ≈ 0.11 fm and a ≈ 0.08 fm, and the results demonstrate the improvement of rotational symmetry as a is reduced. A large lattice volume of (2.7 fm)3 is used, and extrapolations of the bbb spectrum to realistic values of the light sea-quark masses are performed. All spin-dependent energy splittings are resolved with total uncertainties of order 1 MeV, and the dependence of these splittings on the couplings in the nonrelativistic QCD action is analyzed.},

  doi          = {10.1103/PhysRevD.85.114510},

  journal      = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},

  number       = 11,

  volume       = 85,

  place        = {United States},

  year         = {Mon Jun 25 00:00:00 EDT 2012},

  month        = {Mon Jun 25 00:00:00 EDT 2012}

}

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Bottomonium spectrum at order v{sup 6} from domain-wall lattice QCD: Precise results for hyperfine splittings

Journal Article Meinel, Stefan - Physical Review. D, Particles Fields

The bottomonium spectrum is computed in dynamical 2+1 flavor lattice QCD, using nonrelativistic QCD for the b quarks. The main calculations in this work are based on gauge field ensembles generated by the RBC and UKQCD Collaborations with the Iwasaki action for the gluons and a domain-wall action for the sea quarks. Lattice spacing values of approximately 0.08 fm and 0.11 fm are used, and simultaneous chiral extrapolations to the physical pion mass are performed. As a test for gluon-discretization errors, the calculations are repeated on two ensembles generated by the MILC Collaboration with the Luescher-Weisz gauge action. Gluon-discretization errorsmore »« less
https://doi.org/10.1103/PHYSREVD.82.114502
Charmed bottom baryon spectroscopy from lattice QCD

Journal Article Brown, Zachary S. ; Detmold, William ; Meinel, Stefan ; ... - Physical Review. D, Particles, Fields, Gravitation and Cosmology

In this study, we calculate the masses of baryons containing one, two, or three heavy quarks using lattice QCD. We consider all possible combinations of charm and bottom quarks, and compute a total of 36 different states with J^P = 1/2⁺ and J^P = 3/2⁺. We use domain-wall fermions for the up, down, and strange quarks, a relativistic heavy-quark action for the charm quarks, and nonrelativistic QCD for the bottom quarks. Our analysis includes results from two different lattice spacings and seven different pion masses. We perform extrapolations of the baryon masses to the continuum limit and to the physicalmore »« less
Cited by 186
https://doi.org/10.1103/PhysRevD.90.094507

Full Text Available
Bottomonium spectrum from lattice QCD with 2+1 flavors of domain wall fermions

Journal Article Meinel, Stefan - Physical Review. D, Particles Fields

Recently, realistic lattice QCD calculations with 2+1 flavors of domain wall fermions and the Iwasaki gauge action have been performed by the RBC and UKQCD Collaborations. Here, results for the bottomonium spectrum computed on their gauge configurations of size 24{sup 3}x64 with a lattice spacing of approximately 0.11 fm and four different values for the light quark mass are presented. Improved lattice nonrelativistic QCD is used to treat the b quarks inside the bottomonium. The results for the radial and orbital energy splittings are found to be in good agreement with experimental measurements, indicating that systematic errors are small. Themore »« less
https://doi.org/10.1103/PHYSREVD.79.094501
Bottom hadrons from lattice QCD with domain wall and NRQCD fermions

Conference Stefan Meinel, William Detmold, C.-J. David Lin, Matthew Wingate

Dynamical 2+1 flavor lattice QCD is used to calculate the masses of bottom hadrons, including B mesons, singly and doubly bottom baryons, and for the first time also the triply-bottom baryon Omega{sub bbb}. The domain wall action is used for the up-, down-, and strange quarks (both valence and sea), while the bottom quark is implemented with non-relativistic QCD. A calculation of the bottomonium spectrum is also presented.
Full Text Available
2 + 1 flavor lattice QCD toward the physical point

Journal Article Aoki, S ; Izubuchi, T ; Ishizuka, N ; ... - Physical Review. D, Particles, Fields, Gravitation and Cosmology

We present the first results of the PACS-CS project which aims to simulate 2+1 flavor lattice QCD on the physical point with the nonperturbatively O(a)-improved Wilson quark action and the Iwasaki gauge action. Numerical simulations are carried out at {beta} = 1.9, corresponding to the lattice spacing of a = 0.0907(13) fm, on a 32{sup 3} x 64 lattice with the use of the domain-decomposed HMC algorithm to reduce the up-down quark mass. Further algorithmic improvements make possible the simulation whose up-down quark mass is as light as the physical value. The resulting pseudoscalar meson masses range from 702 MeVmore »« less
https://doi.org/10.1103/PhysRevD.79.034503

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Title: Excited-state spectroscopy of triply bottom baryons from lattice QCD

Abstract

Citation Formats

Heavy quarkonium: progress, puzzles, and opportunities journal, February 2011

Heavy quarks in a spherical bag journal, April 1979

Heavy baryon spectroscopy in the QCD bag model journal, August 1980

Baryon Spectrum in the Potential Model with Relativistic Corrections journal, May 1986

Errata: Baryon Spectrum in the Potential Model with Relativistic Corrections journal, April 1987

Baryon masses in relativistic potential models journal, March 1986

and other charmed baryons revisited journal, July 1995

Spectrum and Static Properties of Heavy Baryons journal, January 1996

Charmlets journal, April 1998

Spectroscopy of doubly charmed baryons journal, September 2004

Charmed baryons in a relativistic quark model journal, April 2006

Magnetic moments of heavy baryons in the relativistic three-quark model journal, May 2006

Ground-state triply and doubly heavy baryons in a relativistic three-quark model journal, May 2008

CHARMED (70, 1 - ) BARYON MULTIPLET journal, April 2008

Heavy Baryons in a Quark Model journal, July 2008

Heavy hadron spectroscopy and the bag model journal, January 2009

Triply heavy baryons and heavy quark spin symmetry journal, January 2012

Deciphering triply heavy baryons in terms of QCD sum rules journal, April 2009

Variational study of weakly coupled triply heavy baryons journal, October 2006

Three-quark static potential in perturbation theory journal, March 2010

Production of triply heavy baryons at LHC journal, August 2011

Erratum: Production of triply heavy baryons at LHC journal, September 2011

Excited baryons in lattice QCD journal, June 2003

Extracting excited states from lattice QCD: the Roper resonance journal, December 2004

Excited hadrons on the lattice: Baryons journal, July 2006

Lattice QCD determination of patterns of excited baryon states journal, October 2007

Excited state nucleon spectrum with two flavors of dynamical fermions journal, February 2009

Nucleon, Δ , and Ω excited state spectra in N f = 2 + 1 lattice QCD journal, July 2010

Excited state baryon spectroscopy from lattice QCD journal, October 2011

Heavy-quark bound states in lattice QCD journal, January 1991

Improved nonrelativistic QCD for heavy-quark physics journal, November 1992

Bottomonium spectrum at order v 6 from domain-wall lattice QCD: Precise results for hyperfine splittings journal, December 2010

Continuum limit physics from 2 + 1 flavor domain wall QCD journal, April 2011

A method for simulating chiral fermions on the lattice journal, August 1992

Chiral fermions from lattice boundaries journal, September 1993

Axial symmetries in lattice QCD with Kaplan fermions journal, April 1995

Angular momentum on a lattice journal, July 1982

Novel quark-field creation operator construction for hadronic physics in lattice QCD journal, September 2009

Analytic smearing of SU ( 3 ) link variables in lattice QCD journal, March 2004

Renormalization group improved action for SU(3) lattice gauge theory and the string tension journal, August 1984

First results from 2 + 1 -flavor domain wall QCD: Mass spectrum, topology change, and chiral symmetry with L s = 8 journal, June 2007

Viability of lattice perturbation theory journal, September 1993

Υ spectrum and m b from full lattice QCD journal, November 2005

Review of Particle Physics journal, July 2010

Strangeness—2 and—3 baryons in a quark model with chromodynamics journal, January 1981

The mysterious spin-orbit interactions in baryons, non-local forces and thep wave resonances journal, September 1983

The QCD potential at O ( 1 / m 2 ) : Complete spin-dependent and spin-independent result journal, February 2001

Erratum: The QCD potential at O ( 1 / m 2 ) : Complete spin-dependent and spin-independent result [Phys. Rev. D 63 , 054007 (2001)] journal, July 2001

Linearly rising quark potential and non-strange baryon spectrum journal, September 1976

Baryons in a relativized quark model with chromodynamics journal, November 1986

Effective field theory Lagrangians for baryons with two and three heavy quarks journal, August 2005

Baryons in a relativized quark model with chromodynamics conference, January 1985

Extracting excited states from lattice QCD: the Roper resonance journal, June 2005

Excited state nucleon spectrum with two flavors of dynamical fermions text, January 2009

Novel quark-field creation operator construction for hadronic physics in lattice QCD text, January 2009

Review of Particle Physics text, January 2008

Lattice QCD determination of patterns of excited baryon states text, January 2018

Spectroscopy of doubly charmed baryons conference, January 2006

Novel quark-field creation operator construction for hadronic physics in lattice QCD text, January 2009

Review of Particle Physics text, January 2018

Review of Particle Physics text, January 2012

Ground-state triply and doubly heavy baryons in a relativistic three-quark model text, January 2007

Heavy hadron spectroscopy and the bag model text, January 2008

The three-quark static potential in perturbation theory text, January 2009

Roper Resonance in 2+1 Flavor QCD text, January 2010

Triply Heavy Baryons and Heavy Quark Spin Symmetry text, January 2011

Excited Baryons in Lattice QCD text, January 2002

Chiral Fermions from Lattice Boundaries text, January 1993

Axial symmetries in lattice QCD with Kaplan fermions text, January 1994

Roper Resonance and S_{11}(1535) from Lattice QCD text, January 2003

Charmed baryons in a relativistic quark model text, January 2006

Properties of triply heavy spin-3/2 baryons journal, April 2014

A review of the open charm and open bottom systems journal, May 2017

Triply heavy baryons in the constituent quark model journal, January 2020

Dynamically generated J P = 1 / 2 − ( 3 / 2 − ) singly charmed and bottom heavy baryons journal, July 2015

Spectroscopy of singly, doubly, and triply bottom baryons journal, June 2017

NLO QCD corrections to triply heavy baryon fragmentation function considering the effect of nonperturbative dynamics of baryon bound states journal, December 2017

Heavy quarkonium: progress, puzzles, and opportunities
journal, February 2011

Heavy quarks in a spherical bag
journal, April 1979

Heavy baryon spectroscopy in the QCD bag model
journal, August 1980

Baryon Spectrum in the Potential Model with Relativistic Corrections
journal, May 1986

Errata: Baryon Spectrum in the Potential Model with Relativistic Corrections
journal, April 1987

Baryon masses in relativistic potential models
journal, March 1986

and other charmed baryons revisited
journal, July 1995

Spectrum and Static Properties of Heavy Baryons
journal, January 1996

Charmlets
journal, April 1998

Spectroscopy of doubly charmed baryons
journal, September 2004

Charmed baryons in a relativistic quark model
journal, April 2006

Magnetic moments of heavy baryons in the relativistic three-quark model
journal, May 2006

Ground-state triply and doubly heavy baryons in a relativistic three-quark model
journal, May 2008

CHARMED (70, 1 ^- ) BARYON MULTIPLET
journal, April 2008

Heavy Baryons in a Quark Model
journal, July 2008

Heavy hadron spectroscopy and the bag model
journal, January 2009

Triply heavy baryons and heavy quark spin symmetry
journal, January 2012

Deciphering triply heavy baryons in terms of QCD sum rules
journal, April 2009

Variational study of weakly coupled triply heavy baryons
journal, October 2006

Three-quark static potential in perturbation theory
journal, March 2010

Production of triply heavy baryons at LHC
journal, August 2011

Erratum: Production of triply heavy baryons at LHC
journal, September 2011

Excited baryons in lattice QCD
journal, June 2003

Extracting excited states from lattice QCD: the Roper resonance
journal, December 2004

Excited hadrons on the lattice: Baryons
journal, July 2006

Lattice QCD determination of patterns of excited baryon states
journal, October 2007

Excited state nucleon spectrum with two flavors of dynamical fermions
journal, February 2009

Nucleon, $Δ$ , and $Ω$ excited state spectra in $N_{f} = 2 + 1$ lattice QCD
journal, July 2010

Excited state baryon spectroscopy from lattice QCD
journal, October 2011

Heavy-quark bound states in lattice QCD
journal, January 1991

Improved nonrelativistic QCD for heavy-quark physics
journal, November 1992

Bottomonium spectrum at order $v^{6}$ from domain-wall lattice QCD: Precise results for hyperfine splittings
journal, December 2010

Continuum limit physics from $2 + 1$ flavor domain wall QCD
journal, April 2011

A method for simulating chiral fermions on the lattice
journal, August 1992

Chiral fermions from lattice boundaries
journal, September 1993

Axial symmetries in lattice QCD with Kaplan fermions
journal, April 1995

Angular momentum on a lattice
journal, July 1982

Novel quark-field creation operator construction for hadronic physics in lattice QCD
journal, September 2009

Analytic smearing of $SU (3)$ link variables in lattice QCD
journal, March 2004

Renormalization group improved action for SU(3) lattice gauge theory and the string tension
journal, August 1984

First results from $2 + 1$ -flavor domain wall QCD: Mass spectrum, topology change, and chiral symmetry with $L_{s} = 8$
journal, June 2007

Viability of lattice perturbation theory
journal, September 1993

$Υ$ spectrum and $m_{b}$ from full lattice QCD
journal, November 2005

Review of Particle Physics
journal, July 2010

Strangeness—2 and—3 baryons in a quark model with chromodynamics
journal, January 1981

The mysterious spin-orbit interactions in baryons, non-local forces and thep wave resonances
journal, September 1983

The QCD potential at ${O (1 / m}^{2}) :$ Complete spin-dependent and spin-independent result
journal, February 2001

Erratum: The QCD potential at ${O (1 / m}^{2}) :$ Complete spin-dependent and spin-independent result [Phys. Rev. D 63 , 054007 (2001)]
journal, July 2001

Linearly rising quark potential and non-strange baryon spectrum
journal, September 1976

Baryons in a relativized quark model with chromodynamics
journal, November 1986

Effective field theory Lagrangians for baryons with two and three heavy quarks
journal, August 2005

Baryons in a relativized quark model with chromodynamics
conference, January 1985

Extracting excited states from lattice QCD: the Roper resonance
journal, June 2005

Excited state nucleon spectrum with two flavors of dynamical fermions
text, January 2009

Novel quark-field creation operator construction for hadronic physics in lattice QCD
text, January 2009

Review of Particle Physics
text, January 2008

Lattice QCD determination of patterns of excited baryon states
text, January 2018

Spectroscopy of doubly charmed baryons
conference, January 2006

Novel quark-field creation operator construction for hadronic physics in lattice QCD
text, January 2009

Review of Particle Physics
text, January 2018

Review of Particle Physics
text, January 2012

Ground-state triply and doubly heavy baryons in a relativistic three-quark model
text, January 2007

Heavy hadron spectroscopy and the bag model
text, January 2008

The three-quark static potential in perturbation theory
text, January 2009

Roper Resonance in 2+1 Flavor QCD
text, January 2010

Triply Heavy Baryons and Heavy Quark Spin Symmetry
text, January 2011

Excited Baryons in Lattice QCD
text, January 2002

Chiral Fermions from Lattice Boundaries
text, January 1993

Axial symmetries in lattice QCD with Kaplan fermions
text, January 1994

Roper Resonance and S_{11}(1535) from Lattice QCD
text, January 2003

Charmed baryons in a relativistic quark model
text, January 2006

Properties of triply heavy spin-3/2 baryons
journal, April 2014

A review of the open charm and open bottom systems
journal, May 2017

Triply heavy baryons in the constituent quark model
journal, January 2020

Dynamically generated $J^{P} = 1 / 2^{-} (3 / 2^{-})$ singly charmed and bottom heavy baryons
journal, July 2015

Spectroscopy of singly, doubly, and triply bottom baryons
journal, June 2017

NLO QCD corrections to triply heavy baryon fragmentation function considering the effect of nonperturbative dynamics of baryon bound states
journal, December 2017

Weak decays of triply heavy baryons
journal, May 2018

Masses and Regge trajectories of triply heavy $\Omega_{ccc}$ Ω c c c and $\Omega_{bbb}$ Ω b b b baryons
journal, October 2017

Weak decays of doubly heavy baryons: the $$1/2\rightarrow 1/2$$ 1 / 2 → 1 / 2 case
journal, November 2017