Current Status of inclusive hadronic tau determinations of |V_us|

Maltman, Kim; Boyle, P. A.; Hudspith, R. J.; Izubuchi, T.; Juttner, A.; Lehner, C.; Lewis, R.; Ohki, H.; Portelli, A.; Spraggs, M.; Zanotti, J. M.

doi:10.21468/SciPostPhysProc.1.006

Title: Current Status of inclusive hadronic tau determinations of |V_us|

Abstract

We review the status of the determination of \vert V_{us}\vert $| V_{u s} |$ from both flavor-breaking finite-energy sum rules based on inclusive non-strange and strange hadronic \tau $τ$ decay data and the recent lattice-based analysis of inclusive strange hadronic \tau $τ$ decay data. In particular, we update the results from these analysis frameworks taking into account recent improvements to a number of strange branching fractions reported by HFLAV at CKM2018 and this meeting. We find that inclusive \tau $τ$ decay data yields results for \vert V_{us}\vert $| V_{u s} |$ compatible within errors with the expectations of three-family unitarity.

Authors:

Maltman, Kim ^[1]; Boyle, P. A. ^[2]; Hudspith, R. J. ^[3]; Izubuchi, T. ^[4]; Juttner, A. ^[5]; Lehner, C. ^[4]; Lewis, R. ^[3]; Ohki, H. ^[6]; Portelli, A. ^[2]; Spraggs, M. ^[2]; Zanotti, J. M. ^[7]

University of Adelaide, York University
University of Edinburgh
York University
Brookhaven National Laboratory
University of Southampton
Nara Women's University, Brookhaven National Laboratory
University of Adelaide

Publication Date:: 2019-02-18

Sponsoring Org.:: USDOE

OSTI Identifier:: 1494963

Grant/Contract Number:: SC0012704

Resource Type:: Published Article

Journal Name:: SciPost Physics Proceedings

Additional Journal Information:: Journal Name: SciPost Physics Proceedings Journal Issue: 1

Publisher:: Stichting SciPost

Country of Publication:: Country unknown/Code not available

Language:: English

Citation Formats


                    Maltman, Kim, Boyle, P. A., Hudspith, R. J., Izubuchi, T., Juttner, A., Lehner, C., Lewis, R., Ohki, H., Portelli, A., Spraggs, M., and Zanotti, J. M. Current Status of inclusive hadronic tau determinations of |V_us|.  Country unknown/Code not available: N. p., 2019. 
Web.  doi:10.21468/SciPostPhysProc.1.006.

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                    Maltman, Kim, Boyle, P. A., Hudspith, R. J., Izubuchi, T., Juttner, A., Lehner, C., Lewis, R., Ohki, H., Portelli, A., Spraggs, M., & Zanotti, J. M. Current Status of inclusive hadronic tau determinations of |V_us|.  Country unknown/Code not available.  https://doi.org/10.21468/SciPostPhysProc.1.006

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                    Maltman, Kim, Boyle, P. A., Hudspith, R. J., Izubuchi, T., Juttner, A., Lehner, C., Lewis, R., Ohki, H., Portelli, A., Spraggs, M., and Zanotti, J. M. Mon .  
"Current Status of inclusive hadronic tau determinations of |V_us|".  Country unknown/Code not available.  https://doi.org/10.21468/SciPostPhysProc.1.006.

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@article{osti_1494963,

  title        = {Current Status of inclusive hadronic tau determinations of |V_us|},

  author       = {Maltman, Kim and Boyle, P. A. and Hudspith, R. J. and Izubuchi, T. and Juttner, A. and Lehner, C. and Lewis, R. and Ohki, H. and Portelli, A. and Spraggs, M. and Zanotti, J. M.},

  abstractNote = {We review the status of the determination of \vert V_{us}\vert | V u s | from both flavor-breaking finite-energy sum rules based on inclusive non-strange and strange hadronic \tau τ decay data and the recent lattice-based analysis of inclusive strange hadronic \tau τ decay data. In particular, we update the results from these analysis frameworks taking into account recent improvements to a number of strange branching fractions reported by HFLAV at CKM2018 and this meeting. We find that inclusive \tau τ decay data yields results for \vert V_{us}\vert | V u s | compatible within errors with the expectations of three-family unitarity.},

  doi          = {10.21468/SciPostPhysProc.1.006},

  journal      = {SciPost Physics Proceedings},

  number       = 1,

  volume       = ,

  place        = {Country unknown/Code not available},

  year         = {2019},

  month        = {2}

}

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Title: Current Status of inclusive hadronic tau determinations of |V_us|

Abstract

Citation Formats

S-wave scattering in chiral perturbation theory with resonances journal, October 2000

Erratum: Decay correlations of heavy leptons in e + + e − → l + + l − journal, February 1976

New class of variance-reduction techniques using lattice symmetries journal, November 2013

Finite-volume effects in the muon anomalous magnetic moment on the lattice journal, March 2016

Superallowed 0 + → 0 + nuclear β decays: 2014 critical survey, with precise results for V u d and CKM unitarity journal, February 2015

Review of lattice results concerning low-energy particle physics: Flavour Lattice Averaging Group (FLAG) journal, February 2017

Study of $\tau$ decays involving kaons, spectral functions and determination of the strange quark mass journal, December 1999

Update of the ALEPH non-strange spectral functions from hadronic $$\tau $$ τ decays journal, March 2014

Strange-Quark Mass from Tau-Lepton Decays with O ( α s 3 ) Accuracy journal, June 2005

Direct determination of the strange and light quark condensates from full lattice QCD journal, February 2013

Vector two-point functions in finite volume using partially quenched chiral perturbation theory at two loops journal, December 2017

The BAGEL assembler generation library journal, December 2009

Predicting the τ strange branching ratios and implications for V us journal, October 2013

Review of Particle Physics journal, August 2018

A resolution of the inclusive flavor-breaking τ | V us | puzzle journal, June 2018

Determination of m s and | V us | from hadronic τ decays journal, January 2003

Theoretical progress on the Vus determination from tau decays conference, February 2008

Updated determination of α s from τ decays journal, May 2012

Measurements of branching fractions of τ lepton decays with one or more K S 0 journal, April 2014

Domain wall QCD with physical quark masses journal, April 2016

Measurement of the branching fractions and the invariant mass distributions for τ − → h − h + h − ν τ decays journal, June 2010

Novel | V u s | Determination Using Inclusive Strange τ Decay and Lattice Hadronic Vacuum Polarization Functions journal, November 2018

Exclusive Branching-Fraction Measurements of Semileptonic τ Decays into Three Charged Hadrons, into φ π − ν τ , and into φ K − ν τ journal, January 2008

Mass corrections to the tau decay rate journal, September 1993

Averages of b-hadron, c-hadron, and $$\tau $$ τ -lepton properties as of summer 2016 journal, December 2017

Decay constants, light quark masses, and quark mass bounds from light quark pseudoscalar sum rules journal, March 2002

S-wave scattering in chiral perturbation theory with resonances
journal, October 2000

Erratum: Decay correlations of heavy leptons in $e^{+} + e^{-} \to l^{+} + l^{-}$
journal, February 1976

New class of variance-reduction techniques using lattice symmetries
journal, November 2013

Finite-volume effects in the muon anomalous magnetic moment on the lattice
journal, March 2016

Superallowed $0^{+} \to 0^{+}$ nuclear $β$ decays: 2014 critical survey, with precise results for $V_{u d}$ and CKM unitarity
journal, February 2015

Review of lattice results concerning low-energy particle physics: Flavour Lattice Averaging Group (FLAG)
journal, February 2017

Study of $\tau$ decays involving kaons, spectral functions and determination of the strange quark mass
journal, December 1999

Update of the ALEPH non-strange spectral functions from hadronic $$\tau $$ τ decays
journal, March 2014

Strange-Quark Mass from Tau-Lepton Decays with $O (α_{s}^{3})$ Accuracy
journal, June 2005

Direct determination of the strange and light quark condensates from full lattice QCD
journal, February 2013

Vector two-point functions in finite volume using partially quenched chiral perturbation theory at two loops
journal, December 2017

The BAGEL assembler generation library
journal, December 2009

Predicting the τ strange branching ratios and implications for V us
journal, October 2013

Review of Particle Physics
journal, August 2018

A resolution of the inclusive flavor-breaking τ | V us | puzzle
journal, June 2018

Determination of m _s and | V _us | from hadronic τ decays
journal, January 2003

Theoretical progress on the Vus determination from tau decays
conference, February 2008

Updated determination of $α_{s}$ from $τ$ decays
journal, May 2012

Measurements of branching fractions of $τ$ lepton decays with one or more $K_{S}^{0}$
journal, April 2014

Domain wall QCD with physical quark masses
journal, April 2016

Measurement of the branching fractions and the invariant mass distributions for $τ^{-} \to h^{-} h^{+} h^{-} ν_{τ}$ decays
journal, June 2010

Novel $| V_{u s} |$ Determination Using Inclusive Strange $τ$ Decay and Lattice Hadronic Vacuum Polarization Functions
journal, November 2018

Exclusive Branching-Fraction Measurements of Semileptonic $τ$ Decays into Three Charged Hadrons, into $φ π^{-} ν_{τ}$ , and into $φ K^{-} ν_{τ}$
journal, January 2008

Mass corrections to the tau decay rate
journal, September 1993

Averages of b-hadron, c-hadron, and $$\tau $$ τ -lepton properties as of summer 2016
journal, December 2017

Decay constants, light quark masses, and quark mass bounds from light quark pseudoscalar sum rules
journal, March 2002