Violation of lepton flavor and lepton flavor universality in rare kaon decays

Crivellin, Andreas; D’Ambrosio, Giancarlo; Hoferichter, Martin; Tunstall, Lewis C.

doi:10.1103/PhysRevD.93.074038

Title: Violation of lepton flavor and lepton flavor universality in rare kaon decays

Abstract

Here, recent anomalies in the decays of B mesons and the Higgs boson provide hints towards lepton flavor (universality) violating physics beyond the Standard Model. We observe that four-fermion operators which can explain the B-physics anomalies have corresponding analogs in the kaon sector, and we analyze their impact on K→πℓℓ' and K→ℓℓ' decays (ℓ=μ,e). For these processes, we note the corresponding physics opportunities at the NA62 experiment. In particular, assuming minimal flavor violation, we comment on the required improvements in sensitivity necessary to test the B-physics anomalies in the kaon sector.

Authors:: Crivellin, Andreas; D’Ambrosio, Giancarlo; Hoferichter, Martin; Tunstall, Lewis C.

Publication Date:: Fri Apr 29 00:00:00 EDT 2016

Research Org.:: Univ. of Washington, Seattle, WA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1250191

Alternate Identifier(s):: OSTI ID: 1438837

Grant/Contract Number:: FG02-00ER41132

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Volume: 93; Journal Issue: 7; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Crivellin, Andreas, D’Ambrosio, Giancarlo, Hoferichter, Martin, and Tunstall, Lewis C. Violation of lepton flavor and lepton flavor universality in rare kaon decays.  United States: N. p., 2016. 
Web.  doi:10.1103/PhysRevD.93.074038.

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                    Crivellin, Andreas, D’Ambrosio, Giancarlo, Hoferichter, Martin, & Tunstall, Lewis C. Violation of lepton flavor and lepton flavor universality in rare kaon decays.  United States.  https://doi.org/10.1103/PhysRevD.93.074038

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                    Crivellin, Andreas, D’Ambrosio, Giancarlo, Hoferichter, Martin, and Tunstall, Lewis C. Fri .  
"Violation of lepton flavor and lepton flavor universality in rare kaon decays".  United States.  https://doi.org/10.1103/PhysRevD.93.074038.

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@article{osti_1250191,

  title        = {Violation of lepton flavor and lepton flavor universality in rare kaon decays},

  author       = {Crivellin, Andreas and D’Ambrosio, Giancarlo and Hoferichter, Martin and Tunstall, Lewis C.},

  abstractNote = {Here, recent anomalies in the decays of B mesons and the Higgs boson provide hints towards lepton flavor (universality) violating physics beyond the Standard Model. We observe that four-fermion operators which can explain the B-physics anomalies have corresponding analogs in the kaon sector, and we analyze their impact on K→πℓℓ' and K→ℓℓ' decays (ℓ=μ,e). For these processes, we note the corresponding physics opportunities at the NA62 experiment. In particular, assuming minimal flavor violation, we comment on the required improvements in sensitivity necessary to test the B-physics anomalies in the kaon sector.},

  doi          = {10.1103/PhysRevD.93.074038},

  journal      = {Physical Review D},

  number       = 7,

  volume       = 93,

  place        = {United States},

  year         = {Fri Apr 29 00:00:00 EDT 2016},

  month        = {Fri Apr 29 00:00:00 EDT 2016}

}

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Footprints of leptoquarks: from $$ R_{K^{(*)}} $$ R K ( ∗ ) to $$ K \rightarrow \pi \nu \bar{\nu }$$ K → π ν ν ¯
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Standard Model Prediction for Direct C P Violation in K → π π Decay journal, November 2015

A precision measurement of direct CP violation in the decay of neutral kaons into two pions journal, September 2002

Measurements of direct CP violation, CPT symmetry, and other parameters in the neutral kaon system journal, January 2003

Lepton Flavor Violation in $B$ Decays?
journal, March 2015

Search for lepton-flavour-violating H → μτ decays of the Higgs boson with the ATLAS detector
journal, November 2015

The decays K →π l ⁺ l ⁻ beyond leading order in the chiral expansion
journal, August 1998

Precision tests of the Standard Model with leptonic and semileptonic kaon decays
journal, September 2008

The rare decay $K_{\mathrm{L}} \rightarrow\pi^{0} \mu^{ + } \mu^{-}$ within the SM
journal, July 2004

Violation of lepton flavour universality in composite Higgs models
journal, July 2015

Experiments with -meson decays
journal, October 2012

The longitudinal muon polarization in KL → μ+μ−
journal, November 1991

Weak K-amplitudes in the chiral and
journal, May 1996

The CP violating contribution to the decay
journal, October 1989

Δ I = 1/2 and epsilon′/epsilon in large- N _c QCD
journal, May 2003

New physics in $$b\rightarrow s$$ b → s transitions after LHC run 1
journal, August 2015

Review of Particle Physics
journal, August 2014

Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
journal, September 2012

On the short-distance constraints from K _{L , S} > mu mu
journal, January 2004

Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
journal, September 2012

Radiative Kaon decays and CP violation in chiral perturbation theory
journal, July 1988

A consistent analysis of the ΔI = 12 rule for K decays
journal, June 1987

ε ′ /ε in 331 models
journal, March 2016

New physics models facing lepton flavor violating Higgs decays at the percent level
journal, June 2015

K _L → π ⁰ e ⁺ e ⁻ and K _L → π ⁰ μ ⁺ μ ⁻ : a binary star on the stage of flavor physics
journal, August 2006

Rare and Radiative Kaon Decays
journal, December 1993

A composite technicolor standard model of quarks
journal, January 1987

Vector leptoquark resolution of R and $R_{D^{(⁎)}}$ puzzles
journal, April 2016

Soft-photon corrections in multi-body meson decays
journal, December 2007

Review of lattice results concerning low-energy particle physics
journal, September 2014

CP violation in the KL→π0ℓ+ℓ− decay amplitude for large mt
journal, March 1989

Universal unitarity triangle and physics beyond the standard model
journal, February 2001

Optimizing the basis of B → K * ℓ + ℓ − observables in the full kinematic range
journal, May 2013

Measurement of Form-Factor-Independent Observables in the Decay $B^{0} \to K^{* 0} μ^{+} μ^{-}$
journal, November 2013

Angular analysis of the B 0 → K *0 μ + μ − decay using 3 fb−1 of integrated luminosity
journal, February 2016

On the impact of power corrections in the prediction of B → K *μ+μ− observables
journal, December 2014

Reassessing the discovery potential of the $B \to K^{*} ℓ^{+} ℓ^{-}$ decays in the large-recoil region: SM challenges and BSM opportunities
journal, January 2016

Angular analysis and differential branching fraction of the decay B s 0 → ϕμ + μ −
journal, September 2015

Calculation of $B^{0} \to K^{* 0} μ^{+} μ^{-}$ and $B_{s}^{0} \to ϕ μ^{+} μ^{-}$ Observables Using Form Factors from Lattice QCD
journal, May 2014

Test of Lepton Universality Using $B^{+} \to K^{+} ℓ^{+} ℓ^{-}$ Decays
journal, October 2014

Angular distributions of B̄ → K l̄ l decays
journal, December 2007

Evidence for an Excess of $\bar{B} \to D^{(*)} τ^{-} {\bar{ν}}_{τ}$ Decays
journal, September 2012

Measurement of the branching ratio of $\bar{B} \to D^{()} τ^{-} {\bar{ν}}_{τ}$ relative to $\bar{B} \to D^{()} ℓ^{-} {\bar{ν}}_{ℓ}$ decays with hadronic tagging at Belle
journal, October 2015

Measurement of the Ratio of Branching Fractions $B ({\bar{B}}^{0} \to D^{* +} τ^{-} {\bar{ν}}_{τ}) / B ({\bar{B}}^{0} \to D^{* +} μ^{-} {\bar{ν}}_{μ})$
journal, September 2015

Publisher’s Note: Measurement of the Ratio of Branching Fractions $B ({\bar{B}}^{0} \to D^{* +} τ^{-} {\bar{ν}}_{τ}) / B ({\bar{B}}^{0} \to D^{* +} μ^{-} {\bar{ν}}_{μ})$ [Phys. Rev. Lett. 115 , 111803 (2015)]
journal, October 2015

$B \to D^{*} τ {\bar{ν}}_{τ}$ sensitivity to new physics
journal, May 2012

Search for lepton-flavour-violating decays of the Higgs boson
journal, October 2015

Higgs $\to$ $μ τ$ as an indication for $S_{4}$ flavor symmetry
journal, June 2015

Explaining the CMS Higgs flavor-violating decay excess
journal, December 2014

Explaining $h \to μ^{\pm} τ^{\mp}$ , $B \to K^{*} μ^{+} μ^{-}$ , and $B \to K μ^{+} μ^{-} / B \to K e^{+} e^{-}$ in a Two-Higgs-Doublet Model with Gauged $L_{μ} − L_{τ}$
journal, April 2015

Lepton-flavor-violating Higgs decay h → μτ and muon anomalous magnetic moment in a general two Higgs doublet model
journal, May 2015

A 4 $$ {\mathbb{A}}_4 $$ symmetry at colliders and in the universe
journal, August 2015

Understanding the $B \to K^{*} μ^{+} μ^{-}$ anomaly
journal, October 2013

Minimal $Z^{'}$ explanations of the $B \to K^{*} μ^{+} μ^{-}$ anomaly
journal, January 2014

Left-handed Z′ and Z FCNC quark couplings facing new b → sμ + μ − data
journal, December 2013

An explicit Z ′-boson explanation of the B → K ∗ μ + μ − anomaly
journal, January 2014

331 models facing new b → sμ + μ − data
journal, February 2014

Quark flavor transitions in $L_{μ} - L_{τ}$ models
journal, May 2014

Addressing the LHC flavor anomalies with horizontal gauge symmetries
journal, April 2015

Shedding light on the $b \to s$ anomalies with a dark sector
journal, July 2015

Lepton-flavor violating $B$ decays in generic $Z^{'}$ models
journal, September 2015

Family nonuniversal $Z^{'}$ models with protected flavor-changing interactions
journal, July 2015

Composite leptoquarks and anomalies in B-meson decays
journal, May 2015

Lepton flavor nonuniversality in $b \to s ℓ^{+} ℓ^{-}$ processes
journal, July 2015

Clues for flavor from rare lepton and quark decays
journal, June 2015

Lepton universality violation with lepton flavor conservation in B-meson decays
journal, October 2015

Effective Field Theory Approach to $b \to s ℓ ℓ^{(')}$ , $B \to K^{()} ν \bar{ν}$ and $B \to D^{()} τ ν$ with Third Generation Couplings
journal, October 2015

Anomalies in B-decays and U(2) flavor symmetry
journal, February 2016

Explaining $B \to D τ ν$ , $B \to D^{*} τ ν$ and $B \to τ ν$ in a two Higgs doublet model of type III
journal, September 2012

New physics in the weak interaction of $\bar{B} \to D^{(*)} τ \bar{ν}$
journal, February 2013

Sensitivity to charged scalars in B → D (*) τν τ and B → τν τ decays
journal, January 2013

Flavor-phenomenology of two-Higgs-doublet models with generic Yukawa structure
journal, May 2013

Perturbed Lepton-Specific Two-Higgs-Doublet Model Facing Experimental Hints for Physics beyond the Standard Model
journal, February 2016

Implications of Lepton Flavor Universality Violations in $B$ Decays
journal, October 2012

Hints of R-parity violation in B decays into τν
journal, January 2013

Testing leptoquark models in $\bar{B} \to D^{(*)} τ \bar{ν}$
journal, November 2013

On the breaking of lepton flavor universality in B decays
journal, July 2015

Upper bounds on ε′/ε parameters B 6 (1/2) and B 8 (3/2) from large N QCD and other news
journal, December 2015

Standard Model Prediction for Direct $C P$ Violation in $K \to π π$ Decay
journal, November 2015

A precision measurement of direct CP violation in the decay of neutral kaons into two pions
journal, September 2002

Measurements of direct $CP$ violation, $CPT$ symmetry, and other parameters in the neutral kaon system
journal, January 2003

Erratum: Measurements of direct $C P$ violation, $C P T$ symmetry, and other parameters in the neutral kaon system [Phys. Rev. D 67, 012005 (2003)]
journal, October 2004

ππ scattering
journal, June 2001

Pion-pion scattering amplitude. IV. Improved analysis with once subtracted Roy-like equations up to 1100 MeV
journal, April 2011