A light Higgs at the LHC and the B-anomalies

Liu, Da; Liu, Jia; Wagner, Carlos E.  M.; Wang, Xiao-Ping

doi:10.1007/JHEP06(2018)150

Title: A light Higgs at the LHC and the B-anomalies

Abstract

After the Higgs discovery, the LHC has been looking for new resonances, decaying into pairs of Standard Model (SM) particles. Recently, the CMS experimen observed an excess in the di-photon channel, with a di-photon invariant mass of about 96 GeV. This mass range is similar to the one of an excess observed in the search for the associated production of Higgs bosons with the Z neutral gauge boson at LEP, with the Higgs bosons decaying to bottom quark pairs. On the other hand, the LHCb experiment observed a discrepancy with respect to the SM expectations of the ratio of the decay of B-mesons to K-mesons and a pair of leptons, $ {R}_{K^{\left(\ast \right)}}=BR\left(B\to {K}^{\left(\ast \right)}{\mu}^{+}{\mu}^{-}\right)/BR\left(B\to {K}^{\left(\ast \right)}{e}^{+}{e}^{-}\right) $. This observation provides a hint of the violation of lepton-flavor universality in the charged lepton sector and may be explained by the existence of a vector boson originating form a $ U{(1)_{L_{\mu}}}_{-{L}_{{}_{\tau }}} $ symmetry and heavy quarks that mix with the left-handed down quarks. Since the coupling to heavy quarks could lead to sizable Higgs di-photon rates in the gluon fusion channel, in this article we propose a common origin of these anomalies identifying a Higgs associated with the breakdown ofmore »« less

Authors:

Liu, Da ^[1]; Liu, Jia ^[2]; Wagner, Carlos E. M. ^[3]; Wang, Xiao-Ping ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. of Chicago, IL (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Chicago, IL (United States)

Publication Date:: Wed Jun 27 00:00:00 EDT 2018

Research Org.:: Univ. of Chicago, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)

OSTI Identifier:: 1593989

Grant/Contract Number:: SC0009924; FG02-13ER41958; AC02-06CH11357; PHY-1607611

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2018; Journal Issue: 6; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Beyond Standard Model; Higgs Physics; Gauge Symmetry

Citation Formats


                    Liu, Da, Liu, Jia, Wagner, Carlos E.  M., and Wang, Xiao-Ping. A light Higgs at the LHC and the B-anomalies.  United States: N. p., 2018. 
Web.  doi:10.1007/JHEP06(2018)150.

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                    Liu, Da, Liu, Jia, Wagner, Carlos E.  M., & Wang, Xiao-Ping. A light Higgs at the LHC and the B-anomalies.  United States.  https://doi.org/10.1007/JHEP06(2018)150

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                    Liu, Da, Liu, Jia, Wagner, Carlos E.  M., and Wang, Xiao-Ping. Wed .  
"A light Higgs at the LHC and the B-anomalies".  United States.  https://doi.org/10.1007/JHEP06(2018)150.  https://www.osti.gov/servlets/purl/1593989.

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@article{osti_1593989,

  title        = {A light Higgs at the LHC and the B-anomalies},

  author       = {Liu, Da and Liu, Jia and Wagner, Carlos E.  M. and Wang, Xiao-Ping},

  abstractNote = {After the Higgs discovery, the LHC has been looking for new resonances, decaying into pairs of Standard Model (SM) particles. Recently, the CMS experimen observed an excess in the di-photon channel, with a di-photon invariant mass of about 96 GeV. This mass range is similar to the one of an excess observed in the search for the associated production of Higgs bosons with the Z neutral gauge boson at LEP, with the Higgs bosons decaying to bottom quark pairs. On the other hand, the LHCb experiment observed a discrepancy with respect to the SM expectations of the ratio of the decay of B-mesons to K-mesons and a pair of leptons, \( {R}_{K^{\left(\ast \right)}}=BR\left(B\to {K}^{\left(\ast \right)}{\mu}^{+}{\mu}^{-}\right)/BR\left(B\to {K}^{\left(\ast \right)}{e}^{+}{e}^{-}\right) \). This observation provides a hint of the violation of lepton-flavor universality in the charged lepton sector and may be explained by the existence of a vector boson originating form a \( U{(1)_{L_{\mu}}}_{-{L}_{{}_{\tau }}} \) symmetry and heavy quarks that mix with the left-handed down quarks. Since the coupling to heavy quarks could lead to sizable Higgs di-photon rates in the gluon fusion channel, in this article we propose a common origin of these anomalies identifying a Higgs associated with the breakdown of the \( U{(1)_{L_{\mu}}}_{-{L}_{{}_{\tau }}} \) symmetry and at the same time responsible to the quark mixing, with the one observed at the LHC. We also discuss the constraints on the identification of the same Higgs with the one associated with the bottom quark pair excess observed at LEP.},

  doi          = {10.1007/JHEP06(2018)150},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 6,

  volume       = 2018,

  place        = {United States},

  year         = {Wed Jun 27 00:00:00 EDT 2018},

  month        = {Wed Jun 27 00:00:00 EDT 2018}

}

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Title: A light Higgs at the LHC and the B-anomalies

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Constraints on the gluon PDF from top quark pair production at hadron colliders journal, July 2013

Explaining h → μ ± τ ∓ , B → K * μ + μ − , and B → K μ + μ − / B → K e + e − in a Two-Higgs-Doublet Model with Gauged L μ − L τ journal, April 2015

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

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Non-universal minimal Z′ models: present bounds and early LHC reach journal, March 2010

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Patterns of New Physics in b → sℓ+ℓ− transitions in the light of recent data journal, January 2018

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Gauged L μ − L τ symmetry at the electroweak scale journal, October 2011

Muon g-2 and LHC phenomenology in the L μ − L τ gauge symmetric model journal, March 2014

Gauged Lμ−Lτ with large muon anomalous magnetic moment and the bimaximal mixing of neutrinos journal, January 2002

Constraints on L μ − L τ gauge interactions from rare kaon decay journal, March 2017

Neutrino mass, dark matter and anomalous magnetic moment of muon in a U 1 L μ − L τ $$ \mathrm{U}{(1)}_L{{}_{{}_{\mu}}}_{-}{{}_L}_{{}_{\tau }} $$ model journal, September 2016

Constraints on L μ − L τ interactions at the LHC and beyond journal, January 2016

Explaining the DAMPE data with scalar dark matter and gauged $$U(1)_{L_e-L_\mu }$$ U ( 1 ) L e - L μ interaction journal, March 2018

Explaining the 3.5 keV X-ray line in a L μ − L τ extension of the inert doublet model journal, February 2018

Dark matter contribution to b → sμ+μ− anomaly in local U ( 1 ) L μ − L τ model journal, June 2018

Predictions for the neutrino parameters in the minimal gauged $$\hbox {U}(1)_{L_\mu -L_\tau }$$ U ( 1 ) L μ - L τ model journal, November 2017

On the possibility of a search for the $L_\mu - L_\tau$ gauge boson at Belle-II and neutrino beam experiments journal, May 2017

Flavor non-universal gauge interactions and anomalies in B-meson decays journal, February 2018

A flavor dependent gauge symmetry, predictive radiative seesaw and LHCb anomalies journal, September 2017

A review of μ - τ flavor symmetry in neutrino physics journal, June 2016

New physics in B→K ∗ μμ? journal, November 2013

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

Interpreting hints for lepton flavor universality violation journal, September 2017

Status of the $$B\rightarrow K^*\mu ^+\mu ^-$$ B → K ∗ μ + μ - anomaly after Moriond 2017 journal, June 2017

Z ′ -induced FCNC decays of top, beauty, and strange quarks journal, March 2016

Bottom-quark forward-backward asymmetry, dark matter, and the LHC journal, March 2018

Review of Particle Physics journal, October 2016

Anatomy of new physics in B - B ¯ mixing journal, February 2011

Simplified phenomenology for colored dark sectors text, January 2017

The Anatomy of Z' and Z with Flavour Changing Neutral Currents in the Flavour Precision Era text, January 2012

Simplified Phenomenology for Colored Dark Sectors text, January 2017

A Higgs boson below 125 GeV?! journal, November 2018

A light scalar in the Minimal Dilaton Model in light of the LHC constraints journal, February 2019

Pseudo-Goldstone dark matter confronts cosmic ray and collider anomalies journal, August 2019

Light Higgs bosons in the general NMSSM journal, November 2019

Precise prediction for the Higgs-Boson masses in the $${\varvec{\mu }}{\varvec{\nu }}$$ μ ν SSM with three right-handed neutrino superfields journal, August 2019

Collider probes of singlet fermionic dark matter scenarios for the Fermi gamma-ray excess journal, December 2018

Collider probes of singlet fermionic dark matter scenarios for the Fermi gamma-ray excess text, January 2018

Light Higgs bosons in the general NMSSM text, January 2019

Simplified phenomenology for colored dark sectors
text, January 2017

Constraints on the gluon PDF from top quark pair production at hadron colliders
journal, July 2013

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

The anatomy of Z ′ and Z with flavour changing neutral currents in the flavour precision era
journal, February 2013

On the breaking of lepton flavor universality in B decays
text, January 2015

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

Global analysis of b → sℓℓ anomalies
journal, June 2016

Explaining dark matter and B decay anomalies with an L μ − L τ model
journal, December 2016

Non-universal minimal Z′ models: present bounds and early LHC reach
journal, March 2010

b → sγ decay and supersymmetry
journal, July 1993

On the anomalies in the latest LHCb data
journal, August 2016

Patterns of New Physics in b → sℓ+ℓ− transitions in the light of recent data
journal, January 2018

Neutrino Trident Production: A Powerful Probe of New Physics with Neutrino Beams
journal, August 2014

Let there be light from a second light Higgs doublet
journal, March 2018

Lepton flavor non-universality in B-meson decays from a U(2) flavor model
journal, November 2015

Search for the Standard Model Higgs boson at LEP
journal, July 2003

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

Predictions for lepton flavor universality violation in rare B decays in models with gauged $L_{μ} - L_{τ}$
journal, October 2015

$L_{μ} - L_{τ}$ theory of Higgs flavor violation and $(g - 2)_{μ}$
journal, November 2016

Flavoured B − L local symmetry and anomalous rare B decays
journal, November 2017

Zee-Babu type model with $U (1)_{L_{μ} - L_{τ}}$ gauge symmetry
journal, May 2018

Penguin $b \to s ℓ^{' +} ℓ^{' -}$ and B-meson anomalies in a gauged L−L
journal, February 2018

Explaining $B \to K^{(*)} ℓ^{+} ℓ^{-}$ anomaly by radiatively induced coupling in $U (1)_{μ - τ}$ gauge symmetry
journal, June 2017

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

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

Simplest $Z^{'}$ model
journal, October 1991

Muon anomalous $g - 2$ and gauged $L_{μ} {- L}_{τ}$ models
journal, August 2001

Model for a light Z ’ boson
journal, October 1994

Gauged $L_{μ} - L_{τ}$ symmetry at the electroweak scale
journal, October 2011

Muon g-2 and LHC phenomenology in the L μ − L τ gauge symmetric model
journal, March 2014

Gauged Lμ−Lτ with large muon anomalous magnetic moment and the bimaximal mixing of neutrinos
journal, January 2002

Constraints on $L_{μ} - L_{τ}$ gauge interactions from rare kaon decay
journal, March 2017

Neutrino mass, dark matter and anomalous magnetic moment of muon in a U 1 L μ − L τ $$ \mathrm{U}{(1)}_L{{}_{{}_{\mu}}}_{-}{{}_L}_{{}_{\tau }} $$ model
journal, September 2016

Constraints on $L_{μ} - L_{τ}$ interactions at the LHC and beyond
journal, January 2016

Explaining the DAMPE data with scalar dark matter and gauged $$U(1)_{L_e-L_\mu }$$ U ( 1 ) L e - L μ interaction
journal, March 2018

Explaining the 3.5 keV X-ray line in a L _μ − L _τ extension of the inert doublet model
journal, February 2018

Dark matter contribution to b → sμ+μ− anomaly in local $U {(1)}_{L_{μ} - L_{τ}}$ model
journal, June 2018

Predictions for the neutrino parameters in the minimal gauged $$\hbox {U}(1)_{L_\mu -L_\tau }$$ U ( 1 ) L μ - L τ model
journal, November 2017

On the possibility of a search for the $L_\mu - L_\tau$ gauge boson at Belle-II and neutrino beam experiments
journal, May 2017

Flavor non-universal gauge interactions and anomalies in B-meson decays
journal, February 2018

A flavor dependent gauge symmetry, predictive radiative seesaw and LHCb anomalies
journal, September 2017

A review of μ - τ flavor symmetry in neutrino physics
journal, June 2016

New physics in B→K ∗ μμ?
journal, November 2013

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

Interpreting hints for lepton flavor universality violation
journal, September 2017

Status of the $$B\rightarrow K^*\mu ^+\mu ^-$$ B → K ∗ μ + μ - anomaly after Moriond 2017
journal, June 2017

$Z^{'}$ -induced FCNC decays of top, beauty, and strange quarks
journal, March 2016

Bottom-quark forward-backward asymmetry, dark matter, and the LHC
journal, March 2018

Review of Particle Physics
journal, October 2016

Anatomy of new physics in $B$ - $\bar{B}$ mixing
journal, February 2011

Simplified phenomenology for colored dark sectors
text, January 2017

The Anatomy of Z' and Z with Flavour Changing Neutral Currents in the Flavour Precision Era
text, January 2012

Simplified Phenomenology for Colored Dark Sectors
text, January 2017

A Higgs boson below 125 GeV?!
journal, November 2018

A light scalar in the Minimal Dilaton Model in light of the LHC constraints
journal, February 2019

Pseudo-Goldstone dark matter confronts cosmic ray and collider anomalies
journal, August 2019

Light Higgs bosons in the general NMSSM
journal, November 2019

Precise prediction for the Higgs-Boson masses in the $${\varvec{\mu }}{\varvec{\nu }}$$ μ ν SSM with three right-handed neutrino superfields
journal, August 2019

Collider probes of singlet fermionic dark matter scenarios for the Fermi gamma-ray excess
journal, December 2018

Collider probes of singlet fermionic dark matter scenarios for the Fermi gamma-ray excess
text, January 2018

Light Higgs bosons in the general NMSSM
text, January 2019