DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Basis-independent treatment of the complex 2HDM

Abstract

The complex 2HDM (C2HDM) is the most general CP-violating two-Higgs-doublet model that possesses a softly broken Z2 symmetry. However, the physical consequences of the model cannot depend on the basis of scalar fields used to define it. Thus, to get a better sense of the significance of the C2HDM parameters, we have analyzed this model by employing a basis-independent formalism. This formalism involves transforming to the Higgs basis (which is defined up to an arbitrary complex phase) and identifying quantities that are invariant with respect to this phase degree of freedom. Using this method, we have obtained the constraints that enforce the softly broken Z2 symmetry. One can then relate the C2HDM parameters to basis-independent quantities up to a twofold ambiguity. We then show how this remaining ambiguity is resolved. We also examine the possibility of spontaneous CP violation when the scalar potential of the C2HDM is explicitly CP conserving. Basis-independent constraints are presented that govern the presence of spontaneous CP violation.

Authors:
ORCiD logo; ORCiD logo; ; ORCiD logo;
Publication Date:
Research Org.:
Univ. of California, Santa Cruz, CA (United States). Santa Cruz Institute for Particle Physics
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1605635
Alternate Identifier(s):
OSTI ID: 1605653
Report Number(s):
SCIPP-19/01
Journal ID: ISSN 2470-0010; PRVDAQ; 055023
Grant/Contract Number:  
SC0010107
Resource Type:
Published Article
Journal Name:
Physical Review D
Additional Journal Information:
Journal Name: Physical Review D Journal Volume: 101 Journal Issue: 5; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; extensions of the Higgs sector; two-Higgs-doublet model; CP symmetry; discrete symmetries; basis independence

Citation Formats

Boto, Rafael, Fernandes, Tiago V., Haber, Howard E., Romão, Jorge C., and Silva, João P. Basis-independent treatment of the complex 2HDM. United States: N. p., 2020. Web. doi:10.1103/PhysRevD.101.055023.
Boto, Rafael, Fernandes, Tiago V., Haber, Howard E., Romão, Jorge C., & Silva, João P. Basis-independent treatment of the complex 2HDM. United States. https://doi.org/10.1103/PhysRevD.101.055023
Boto, Rafael, Fernandes, Tiago V., Haber, Howard E., Romão, Jorge C., and Silva, João P. Fri . "Basis-independent treatment of the complex 2HDM". United States. https://doi.org/10.1103/PhysRevD.101.055023.
@article{osti_1605635,
title = {Basis-independent treatment of the complex 2HDM},
author = {Boto, Rafael and Fernandes, Tiago V. and Haber, Howard E. and Romão, Jorge C. and Silva, João P.},
abstractNote = {The complex 2HDM (C2HDM) is the most general CP-violating two-Higgs-doublet model that possesses a softly broken Z2 symmetry. However, the physical consequences of the model cannot depend on the basis of scalar fields used to define it. Thus, to get a better sense of the significance of the C2HDM parameters, we have analyzed this model by employing a basis-independent formalism. This formalism involves transforming to the Higgs basis (which is defined up to an arbitrary complex phase) and identifying quantities that are invariant with respect to this phase degree of freedom. Using this method, we have obtained the constraints that enforce the softly broken Z2 symmetry. One can then relate the C2HDM parameters to basis-independent quantities up to a twofold ambiguity. We then show how this remaining ambiguity is resolved. We also examine the possibility of spontaneous CP violation when the scalar potential of the C2HDM is explicitly CP conserving. Basis-independent constraints are presented that govern the presence of spontaneous CP violation.},
doi = {10.1103/PhysRevD.101.055023},
journal = {Physical Review D},
number = 5,
volume = 101,
place = {United States},
year = {2020},
month = {3}
}

Works referenced in this record:

Higgs bosons in supersymmetric models (I)
journal, July 1986


CP violation in 2HDM and EFT: the ZZZ vertex
journal, April 2018

  • Bélusca-Maïto, Hermès; Falkowski, Adam; Fontes, Duarte
  • Journal of High Energy Physics, Vol. 2018, Issue 4
  • DOI: 10.1007/JHEP04(2018)002

The anatomy of electroweak symmetry breaking
journal, February 2008


Higgs Boson theory and phenomenology
journal, January 2003


Higgs bosons in supersymmetric models (II). Implications for phenomenology
journal, December 1986


Signatures of discrete symmetries in the scalar sector
journal, December 1994


Measuring CP violation in two-Higgs-doublet models in light of the LHC Higgs data
journal, November 2014

  • Grzadkowski, B.; Ogreid, O. M.; Osland, P.
  • Journal of High Energy Physics, Vol. 2014, Issue 11
  • DOI: 10.1007/JHEP11(2014)084

Basis-independent methods for the two-Higgs-doublet model. II. The significance of tan  β
journal, July 2006


CP -conserving two-Higgs-doublet model: The approach to the decoupling limit
journal, April 2003


Tree-level unitarity constraints in the most general two Higgs doublet model
journal, December 2005


Conditions for C P violation in the general two-Higgs-doublet model
journal, November 2005


Symmetries of two Higgs doublet model and C P violation
journal, December 2005


Diagonal neutral currents
journal, April 1977


Generalized C P symmetries and special regions of parameter space in the two-Higgs-doublet model
journal, June 2009


Fundamental CP -violating quantities in an SU(2)⊗U(1) model with many Higgs doublets
journal, October 1994


Consistency of the two-Higgs-doublet model and CP violation in top production at the LHC
journal, July 2007


Two-Higgs-doublet model from the group-theoretic perspective
journal, January 2006


The fermion mass scale and possible effects of Higgs bosons on experimental observables
journal, December 1979


Properties of charged Higgs bosons
journal, February 1979


CP-odd invariants in models with several Higgs doublets
journal, May 2005


New LHC benchmarks for the $$\mathcal{CP}$$ CP -conserving two-Higgs-doublet model
journal, October 2015


A two-Higgs doublet model with remarkable CP properties
journal, July 2010


CP nonconservation and spontaneous symmetry breaking
journal, January 1974


CP Conservation in the Presence of Pseudoparticles
journal, June 1977


CP violation in the general two-Higgs-doublet model: a geometric view
journal, September 2008


The Geometric Picture of Generalized-Cp and Higgs-Family Transformations in the Two-Higgs-Doublet Model
journal, February 2011

  • Ferreira, P. M.; Haber, Howard E.; Maniatis, M.
  • International Journal of Modern Physics A, Vol. 26, Issue 05
  • DOI: 10.1142/S0217751X11051494

Unitarity bound in the most general two Higgs doublet model
journal, December 2015


CP properties of symmetry-constrained two-Higgs-doublet models
journal, August 2010

  • Ferreira, P. M.; Maniatis, M.; Nachtmann, O.
  • Journal of High Energy Physics, Vol. 2010, Issue 8
  • DOI: 10.1007/JHEP08(2010)125

Spontaneous C P violation in the 2HDM: Physical conditions and the alignment limit
journal, December 2016


Jarlskog-like invariants for theories with scalars and fermions
journal, April 1995


Theory and phenomenology of two-Higgs-doublet models
journal, July 2012


Erratum to: Maximally symmetric two Higgs doublet model with natural standard model alignment
journal, November 2015

  • Bhupal Dev, P. S.; Pilaftsis, Apostolos
  • Journal of High Energy Physics, Vol. 2015, Issue 11
  • DOI: 10.1007/JHEP11(2015)147

Erratum: Basis-independent methods for the two-Higgs-doublet model [Phys. Rev. D 72 , 035004 (2005)]
journal, November 2005


Basis-independent methods for the two-Higgs-doublet model
journal, August 2005


Erratum to: New LHC benchmarks for the $$\mathcal {CP}$$ CP -conserving two-Higgs-doublet model
journal, June 2016


Search for a stable alignment limit in two-Higgs-doublet models
journal, May 2015


Tree-unitarity bounds for THDM Higgs masses revisited
journal, March 2006


Note on tree-level unitarity in the general two Higgs doublet model
journal, September 2000


Low Energy Parameters and Particle Masses in a Supersymmetric Grand Unified Model
journal, June 1982

  • Inoue, K.; Kakuto, A.; Komatsu, H.
  • Progress of Theoretical Physics, Vol. 67, Issue 6
  • DOI: 10.1143/PTP.67.1889

CP violation in charged Higgs production and decays in the Complex Two Higgs Doublet Model
journal, April 2011

  • Arhrib, A.; Christova, E.; Eberl, H.
  • Journal of High Energy Physics, Vol. 2011, Issue 4
  • DOI: 10.1007/JHEP04(2011)089

Maximally symmetric two Higgs doublet model with natural standard model alignment
journal, December 2014

  • Bhupal Dev, P. S.; Pilaftsis, Apostolos
  • Journal of High Energy Physics, Vol. 2014, Issue 12
  • DOI: 10.1007/JHEP12(2014)024

Unitarity bounds on Higgs boson masses in the Weinberg-Salam model with two Higgs doublets
journal, March 1981

  • H�ffel, H.; P�csik, G.
  • Zeitschrift f�r Physik C Particles and Fields, Vol. 8, Issue 1
  • DOI: 10.1007/BF01429824

Suppression of flavor changing effects from neutral spinless meson exchange in gauge theories
journal, March 1979


h → Zγ in the complex two Higgs doublet model
journal, December 2014

  • Fontes, Duarte; Romão, J. C.; Silva, João P.
  • Journal of High Energy Physics, Vol. 2014, Issue 12
  • DOI: 10.1007/JHEP12(2014)043

C P violation conditions in N -Higgs-doublet potentials
journal, August 2006


A Theory of Spontaneous T Violation
journal, August 1973


Beyond basis invariants
journal, April 2019


Impersonating the Standard Model Higgs boson: alignment without decoupling
journal, April 2014

  • Carena, Marcela; Low, Ian; Shah, Nausheen R.
  • Journal of High Energy Physics, Vol. 2014, Issue 4
  • DOI: 10.1007/JHEP04(2014)015

Probing the scalar-pseudoscalar mixing in the 125 GeV Higgs particle with current data
journal, July 2012


The C2HDM revisited
journal, February 2018

  • Fontes, Duarte; Mühlleitner, Margarete; Romão, Jorge C.
  • Journal of High Energy Physics, Vol. 2018, Issue 2
  • DOI: 10.1007/JHEP02(2018)073

Natural conservation laws for neutral currents
journal, April 1977


Heavy Higgs boson decays in the alignment limit of the 2HDM
journal, December 2018

  • Grzadkowski, Bohdan; Haber, Howard E.; Ogreid, Odd Magne
  • Journal of High Energy Physics, Vol. 2018, Issue 12
  • DOI: 10.1007/JHEP12(2018)056

Effects of multiple Higgs bosons on tree unitarity
journal, October 1984


Flavor changing Higgs boson couplings
journal, September 1981


C P -violating phenomenology of flavor conserving two Higgs doublet models
journal, June 2014


The Higgs mass in a model with two scalar doublets and spontaneous CP violation
journal, October 1985


Higgs masses in the standard, multi-Higgs and supersymmetric models
journal, June 1983