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1

Ivanov, I. P. "Higgs models." Physics of Particles and Nuclei Letters 9, no. 9-10 (2012): 657–65. http://dx.doi.org/10.1134/s1547477112070072.

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2

Shrock, Robert E. "Lattice Higgs models." Nuclear Physics B - Proceedings Supplements 4 (April 1988): 373–89. http://dx.doi.org/10.1016/0920-5632(88)90127-2.

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3

DREES, MANUEL. "SUPERSYMMETRIC MODELS WITH EXTENDED HIGGS SECTOR." International Journal of Modern Physics A 04, no. 14 (1989): 3635–51. http://dx.doi.org/10.1142/s0217751x89001448.

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The Higgs sector of supersymmetric models with an additional SU (2)× U (1)Y singlet or an additional pair of Higgs doublet superfields is investigated. It is shown that in the model with a Higgs singlet bounds on Higgs boson masses are considerably weaker than in the minimal supersymmetric model; in particular, all neutral scalars can be heavier than about 150 GeV or lighter than [Formula: see text], whereas the mass of the charged Higgs boson is essentially unconstrained. The four doublet model resembles the minimal model more closely; in particular, the bounds for the heaviest and lightest n
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4

ANDRIANOV, A. A., V. A. ANDRIANOV, V. L. YUDICHEV, and R. RODENBERG. "COMPOSITE TWO-HIGGS MODELS (GENERAL PART)." International Journal of Modern Physics A 14, no. 03 (1999): 323–58. http://dx.doi.org/10.1142/s0217751x99000178.

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Quark models with four-fermion interaction including derivatives of fields in the strong coupling regime are used to implement composite-Higgs extensions of the Standard Model. In this approach the dynamical breaking of chiral symmetry occurs in two (or more) channels (near polycritical values for coupling constants), giving rise to two (or more) composite Higgs doublets. Two types of models are built for which Flavor Changing Neutral Currents (FCNC) are naturally suppressed. In the first Model I the second Higgs doublet is regarded as a radial excitation of the first one. In the second Model
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5

Aoki, Mayumi, Shinya Kanemura, and Osamu Seto. "Higgs decay in Higgs portal dark matter models." Journal of Physics: Conference Series 315 (August 19, 2011): 012024. http://dx.doi.org/10.1088/1742-6596/315/1/012024.

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6

Sanz, Veronica, and Jack Setford. "Composite Higgs Models after Run 2." Advances in High Energy Physics 2018 (2018): 1–8. http://dx.doi.org/10.1155/2018/7168480.

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We assess the status of models in which Higgs is a composite pseudo-Nambu Goldstone boson, in the light of the latest 13 TeV Run 2 Higgs data. Drawing from the extensive Composite Higgs literature, we collect together predictions for the modified couplings of Higgs, in particular examining the different predictions for κV and κF. Despite the variety and increasing complexity of models on the market, we point out that many independent models make identical predictions for these couplings. We then look into further corrections induced by tree-level effects such as mass-mixing and singlet VEVs. W
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7

Masip, M. "The light Higgs in supersymmetric models with Higgs triplets." Physics Letters B 444, no. 3-4 (1998): 352–57. http://dx.doi.org/10.1016/s0370-2693(98)01388-4.

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8

Marek-Crnjac, L. "Different Higgs models and the number of Higgs particles." Chaos, Solitons & Fractals 27, no. 3 (2006): 575–79. http://dx.doi.org/10.1016/j.chaos.2005.04.099.

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9

DATTA, ALAKABHA, and XINMIN ZHANG. "VACUUM STABILITY IN SPLIT SUSY AND LITTLE HIGGS MODELS." International Journal of Modern Physics A 21, no. 11 (2006): 2431–45. http://dx.doi.org/10.1142/s0217751x06029521.

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We study the stability of the effective Higgs potential in the split supersymmetry and Little Higgs models. In particular, we study the effects of higher dimensional operators in the effective potential on the Higgs mass predictions. We find that the size and sign of the higher dimensional operators can significantly change the Higgs mass required to maintain vacuum stability in Split SUSY models. In the Little Higgs models the effects of higher dimensional operators can be large because of a relatively lower cutoff scale. Working with a specific model we find that a contribution from the high
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10

LAVOURA, L. "MODELS OF CP VIOLATION EXCLUSIVELY VIA NEUTRAL-SCALAR EXCHANGE." International Journal of Modern Physics A 09, no. 11 (1994): 1873–88. http://dx.doi.org/10.1142/s0217751x94000807.

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I suggest a two-Higgs-doublet model in which CP violation is mediated only by the neutral Higgs bosons, via the mechanism of scalar-pseudoscalar mixing. In this model there is no CP violation in the exchange of either W bosons or charged Higgs bosons. The model has only two basic CP-violating quantities. I remark that other models of this kind, but with more than two Higgs doublets, may also be built.
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11

ONOGI, TETSUYA, and YOSHIAKI YASUI. "EFFECTIVE ACTION FOR COMPOSITE HIGGS MODELS." Modern Physics Letters A 07, no. 09 (1992): 785–92. http://dx.doi.org/10.1142/s0217732392000768.

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We derive the effective action for composite Higgs models in electroweak theory from Nambu-Jona-Lasinio model. This action contains vector and axial vector mesons together with Higgs, W, Z and photon. Due to the interaction of the techni-quark with SU(2) L × U(1) gauge fields, mixing terms of SU(2) L × U(1) gauge fields and vector and axial vector resonances develop in the kinetic term of the effective action. Mass relation of the techni-rho and the Higgs is obtained.
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12

Asakawa, Eri, Jun-ichi Kamoshita, Akio Sugamoto, and Isamu Watanabe. "Production of scalar Higgs and pseudoscalar Higgs in multi-Higgs doublet models at." European Physical Journal C 14, no. 2 (2000): 335. http://dx.doi.org/10.1007/s100520050757.

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13

Flacke, Thomas. "Searching for composite Higgs models at the LHC." International Journal of Modern Physics A 31, no. 19 (2016): 1630026. http://dx.doi.org/10.1142/s0217751x1630026x.

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Composite Higgs models have the potential to provide a solution to the hierarchy problem and a dynamical explanation for the generation of the Higgs potential. They can be tested at the LHC as the new sector which underlies electroweak symmetry breaking must become strong in the TeV regime, which implies additional bound states beyond the Higgs. In this paper, we first discuss prospects and search strategies for top partners (and other quark partners) in the strongly coupled sector, which we study in an effective field theory setup. In the second part of the proceedings, we go beyond the effec
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14

HAN, XIAO-FANG, LEI WANG, and FENG ZHANG. "AN ALTERNATIVE IMPLEMENTATION OF T-PARITY IN FERMION SECTOR AND THE CHANNEL $VV\to h\to\tau\bar{\tau}$ AT LHC." Modern Physics Letters A 26, no. 27 (2011): 2079–89. http://dx.doi.org/10.1142/s0217732311036322.

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We modify the implementation of T-parity in the fermion sector (called LHT-III), where the mixing of top quark and T-even partner can be absent, and the Higgs mass quadratic divergence contributed by the top quark and a T-odd partner cancel each other. Besides, the Yukawa couplings of down-type quarks and leptons can be enhanced in this model, while these couplings are suppressed in other little Higgs models. Finally, we study the channel [Formula: see text] at LHC in several typical little Higgs models, and find that the rate in all these little Higgs models can have a sizable deviation from
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15

Knechtli, Francesco, and Enrico Rinaldi. "Extra-dimensional models on the lattice." International Journal of Modern Physics A 31, no. 22 (2016): 1643002. http://dx.doi.org/10.1142/s0217751x16430028.

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In this review we summarize the ongoing effort to study extra-dimensional gauge theories with lattice simulations. In these models the Higgs field is identified with extra-dimensional components of the gauge field. The Higgs potential is generated by quantum corrections and is protected from divergences by the higher dimensional gauge symmetry. Dimensional reduction to four dimensions can occur through compactification or localization. Gauge-Higgs unification models are often studied using perturbation theory. Numerical lattice simulations are used to go beyond these perturbative expectations
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16

Laamara, R. Ahl, S. E. Ennadifi, and M. A. Loualidi. "ON HIGGS-EXTENDED MSSM MODELS." Журнал Экспериментальной и Теоретической Физики 146, no. 1 (2014): 60–64. http://dx.doi.org/10.7868/s0044451014070062.

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17

Laamara, R. Ahl, S. E. Ennadifi, and M. A. Loualidi. "On Higgs-extended MSSM models." Journal of Experimental and Theoretical Physics 119, no. 1 (2014): 49–53. http://dx.doi.org/10.1134/s1063776114060168.

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18

Zheng, Sibo, Yao Yu, and Xing-Gang Wu. "Phenomenologies of Higgs messenger models." Physics Letters B 702, no. 2-3 (2011): 150–53. http://dx.doi.org/10.1016/j.physletb.2011.06.083.

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19

Neuberger, Herbert. "Lattice higgs and Yukawa models." Nuclear Physics B - Proceedings Supplements 17 (September 1990): 17–28. http://dx.doi.org/10.1016/0920-5632(90)90217-i.

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20

Shigemitsu, Junko. "Higgs - Yukawa - Chiral models 1." Nuclear Physics B - Proceedings Supplements 20 (May 1991): 515–27. http://dx.doi.org/10.1016/0920-5632(91)90968-k.

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21

Hashimoto, S., T. Inagaki, and T. Muta. "DynamicalCPviolation in composite Higgs models." Physical Review D 48, no. 3 (1993): 1301–9. http://dx.doi.org/10.1103/physrevd.48.1301.

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22

Akeroyd, A. G., Stefano Moretti, Kei Yagyu, and Emine Yildirim. "Light charged Higgs boson scenario in 3-Higgs doublet models." International Journal of Modern Physics A 32, no. 23n24 (2017): 1750145. http://dx.doi.org/10.1142/s0217751x17501457.

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The constraints from the measurements of the [Formula: see text] decay rate on the parameter space of 3-Higgs Doublet Models (3HDMs), where all the doublets have nonzero vacuum expectation values, are studied at the next-to-leading order in QCD. In order to naturally avoid the presence of flavour changing neutral currents at the tree level, we impose two softly-broken discrete [Formula: see text] symmetries. This gives rise to five independent types of 3HDMs that differ in their Yukawa couplings. We show that in all these 3HDMs (including the case of type-II-like Yukawa interactions) both mass
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23

Bar-Shalom, S., D. Atwood, and A. Soni. "Two Higgs doublet models and CP violating Higgs exchange in." Physics Letters B 419, no. 1-4 (1998): 340–47. http://dx.doi.org/10.1016/s0370-2693(97)01039-3.

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24

Andrianov, A. A., R. Rodenberg, and N. V. Romanenko. "Fine tuning in one-higgs and two-higgs standard models." Il Nuovo Cimento A 108, no. 5 (1995): 577–87. http://dx.doi.org/10.1007/bf02816853.

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25

Navarro, Ignacio. "Phenomenology of Low-Scale Supersymmetry Breaking Models." Modern Physics Letters A 18, no. 32 (2003): 2227–41. http://dx.doi.org/10.1142/s0217732303011897.

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In this review we consider the distinctive phenomenology of supersymmetric models in which the scale of SUSY breaking is very low, [Formula: see text], focusing on the Higgs sector and the process of electroweak breaking. Using an effective Lagrangian description of the interactions between the observable fields and the SUSY breaking sector, it is shown how the conventional MSSM picture can be substantially modified. For instance, the Higgs potential has non-negligible SUSY breaking quartic couplings that can modify completely the pattern of electroweak breaking and the Higgs spectrum with res
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26

Bian, Ligong, Ning Chen, and Yun Jiang. "Higgs pair production in the CP-violating two-Higgs-doublet model." International Journal of Modern Physics A 32, no. 34 (2017): 1746002. http://dx.doi.org/10.1142/s0217751x17460022.

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The SM-like Higgs pair production is discussed in the framework of the general CP-violating two-Higgs-doublet model, where we find that the CP-violating mixing angles can be related to the Higgs self-couplings. Therefore, the future experimental searches for Higgs boson pairs can be constrained by the improved precision of the electric dipole moment measurements. Based on a series of constraints of the SM-like Higgs boson signal fits, the perturbative unitarity and stability bounds to the Higgs potential, and the most recent LHC searches for heavy Higgs bosons, we suggest a set of benchmark mo
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27

CHEN, MU-CHUN. "MODELS OF LITTLE HIGGS AND ELECTROWEAK PRECISION TESTS." Modern Physics Letters A 21, no. 08 (2006): 621–37. http://dx.doi.org/10.1142/s0217732306020020.

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The little Higgs idea is an alternative to supersymmetry as a solution to the gauge hierarchy problem. Here we review various little Higgs models and their phenomenology with emphases on the precision electroweak constraints in these models.
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28

Casana, Rodolfo, Guillermo Lazar, and Lucas Sourrouille. "Self-Dual Effective Compact and True Compacton Configurations in Generalized Abelian Higgs Models." Advances in High Energy Physics 2018 (2018): 1–20. http://dx.doi.org/10.1155/2018/4281939.

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We have studied the existence of self-dual effective compact and true compacton configurations in Abelian Higgs models with generalized dynamics. We have named an effective compact solution the one whose profile behavior is very similar to the one of a compacton structure but still preserves a tail in its asymptotic decay. In particular, we have investigated the electrically neutral configurations of the Maxwell-Higgs and Born-Infeld-Higgs models and the electrically charged ones of the Chern-Simons-Higgs and Maxwell-Chern-Simons-Higgs models. The generalization of the kinetic terms is perform
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29

Barger, V., and K. Whisnant. "HEAVY Z BOSON DECAYS TO W, Z AND HIGGS BOSONS IN E6 SUPERSTRING MODELS." International Journal of Modern Physics A 02, no. 04 (1987): 1171–79. http://dx.doi.org/10.1142/s0217751x87000557.

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We report on the decays of a heavy neutral gauge boson Z2 into W+W−, the Z and a Higgs boson, or two Higgs bosons in superstring-inspired electroweak models with an extra U(1) gauge group, two Higgs doublets and a Higgs singlet. The branching ratios for these processes are generally similar and two boson decay modes of Z2 must exist at the few percent level if kinematically accessible, although the bosonic modes which dominate in any given scenario depend on the U(1) quantum numbers and mixing in the Higgs sector.
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30

CHEN, C. C., та Y. KIKUCHI. "HIGGS SECTOR CORRECTIONS TO THE ρ-PARAMETER IN THE TREE BREAKING SUPERGRAVITY MODELS". Modern Physics Letters A 03, № 10 (1988): 965–73. http://dx.doi.org/10.1142/s0217732388001136.

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One-loop corrections to the ρ-parameter in supergravity models with large Yukawa coupling (i.e. in the limit of large Higgs mass) is calculated. It is found that the contributions from the Higgs sector cancel, hence no new constraints are obtained on the Higgs masses.
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31

Chakrabarty, Nabarun, and Indrani Chakraborty. "On the Higgs mass fine-tuning problem with multi-Higgs doublet models." International Journal of Modern Physics A 34, no. 05 (2019): 1950025. http://dx.doi.org/10.1142/s0217751x19500258.

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With no conclusive signal till date of the minimal supersymmetric and extra-dimensional models at the Large Hadron Collider (LHC), the issue of naturalness of the Higgs mass still calls for attention. One way to achieve that is to introduce additional bosonic degrees of freedom and rely on fine-tuning thereafter. That is, to arrange for a cancellation between various parameters so that the coefficient of the quadratically divergent term in the Higgs mass is vanishing or small to a manageable level. In this work, we explore the possibility of doing so using two- and three-Higgs doublet models.
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32

Jiménez-Cruz, Camilo Andrés, J. Alexis Rodríguez López, and Roberto Martinez. "Light higgs boson production in two higgs doublets models type III." Brazilian Journal of Physics 38, no. 3b (2008): 455–58. http://dx.doi.org/10.1590/s0103-97332008000400014.

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33

Randall, Lisa. "Two-Higgs models for large tan β and heavy second Higgs". Journal of High Energy Physics 2008, № 02 (2008): 084. http://dx.doi.org/10.1088/1126-6708/2008/02/084.

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34

Kikuchi, Mariko. "Radiative corrections to Higgs coupling constants in two Higgs doublet models." Nuclear and Particle Physics Proceedings 273-275 (April 2016): 807–12. http://dx.doi.org/10.1016/j.nuclphysbps.2015.09.124.

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35

Arhrib, Abdesslam. "Higgs bosons decay into bottom-strange in two Higgs doublets models." Physics Letters B 612, no. 3-4 (2005): 263–74. http://dx.doi.org/10.1016/j.physletb.2005.03.001.

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36

Barger, V., and K. Whisnant. "Isosinglet-quark decays to Higgs bosons in multi-Higgs-boson models." Physical Review D 41, no. 7 (1990): 2120–28. http://dx.doi.org/10.1103/physrevd.41.2120.

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37

Kanemura, Shinya, Mariko Kikuchi, Kentarou Mawatari, Kodai Sakurai, and Kei Yagyu. "Loop effects on the Higgs decay widths in extended Higgs models." Physics Letters B 783 (August 2018): 140–49. http://dx.doi.org/10.1016/j.physletb.2018.06.035.

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38

CLAVELLI, L. "LANDSCAPE IMPLICATIONS OF EXTENDED HIGGS MODELS." International Journal of Modern Physics A 23, no. 22 (2008): 3509–23. http://dx.doi.org/10.1142/s0217751x08041736.

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From several points of view, it is strongly suggested that the current universe is unstable and will ultimately decay to one that is exactly supersymmetric (SUSY). The possibility that atoms and molecules form in this future universe requires that the degenerate electron/selectron mass is non-zero and hence that electroweak symmetry breaking (EWSB) survives the phase transition to exact SUSY. However, the Minimal Supersymmetric Standard Model (MSSM) and several of its extensions have no EWSB in the SUSY limit. Among the extended Higgs models that have been discussed, one stands out in this reg
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39

CHAI, YAN, and FURONG YIN. "LITTLE HIGGS MODELS FOR NON-UNIVERSALITY FERMION." Modern Physics Letters A 20, no. 21 (2005): 1589–603. http://dx.doi.org/10.1142/s0217732305016816.

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We introduce the fermion non-universality into the little Higgs models SU (5)/ SO (5), SU (6)/ Sp (6) and study the phenomenology of the new models. We find that if we change the transform property of the observed fermions under the extended [ SU (2)× U (1)]2, the cancellation of the one-loop quadratically divergent correction to the Higgs mass arising from gauge bosons will not be changed, whereas the phenomenology at W-pole, Z-pole and low q2 will be changed.
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40

CHEN, MU-CHUN, SALLY DAWSON, and TADAS KRUPOVNICKAS. "CONSTRAINING NEW MODELS WITH PRECISION ELECTROWEAK DATA." International Journal of Modern Physics A 21, no. 19n20 (2006): 4045–70. http://dx.doi.org/10.1142/s0217751x0603388x.

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Electroweak precision data have been extensively used to constrain models containing physics beyond that of the Standard Model (SM). When the model contains Higgs scalars in representations other than singlets or doublets, and hence ρ≠1 at tree-level, a correct renormalization scheme requires more inputs than the three commonly used for the SM case. In such cases, the one-loop electroweak results cannot be split into a SM contribution plus a piece which vanishes as the scale of new physics becomes much larger than MW. We illustrate our results by presenting the dependence of MW on the top-quar
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41

Steggemann, Jan. "Extended Scalar Sectors." Annual Review of Nuclear and Particle Science 70, no. 1 (2020): 197–223. http://dx.doi.org/10.1146/annurev-nucl-032620-043846.

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Extended scalar sectors appear in various extensions of the Standard Model of particle physics, such as supersymmetric models. They are also generic extensions of the Standard Model and can address a number of its shortcomings. Direct searches for additional Higgs bosons and measurements of the 125-GeV Higgs boson, both of which provide insights into the different possible sectors, are carried out at the LHC. This review gives an overview of searches for the additional Higgs bosons and their implications for different models. The discussed analyses comprise searches for neutral and charged Hig
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42

Dziewit, Bartosz, Jacek Holeczek, Sebastian Zając, and Marek Zrałek. "Family Symmetries and Multi Higgs Doublet Models." Symmetry 12, no. 1 (2020): 156. http://dx.doi.org/10.3390/sym12010156.

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Imposing a family symmetry on the Standard Model in order to reduce the number of its free parameters, due to the Schur’s Lemma, requires an explicit breaking of this symmetry. To avoid the need for this symmetry to break, additional Higgs doublets can be introduced. In such an extension of the Standard Model, we investigate family symmetries of the Yukawa Lagrangian. We find that adding a second Higgs doublet (2HDM) does not help, at least for finite subgroups of the U ( 3 ) group up to the order of 1025.
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43

Tofighi, A., and F. Pourasadollah. "Extended Higgs sector of supersymmetric models." Physica Scripta 80, no. 1 (2009): 015101. http://dx.doi.org/10.1088/0031-8949/80/01/015101.

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44

Scrucca, C. A., M. Serone, L. Silvestrini, and A. Wulzer. "Gauge-Higgs Unification in Orbifold Models." Journal of High Energy Physics 2004, no. 02 (2004): 049. http://dx.doi.org/10.1088/1126-6708/2004/02/049.

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45

Espinosa, José Ramón, and José Miguel No. "Scalar loops in little Higgs models." Journal of High Energy Physics 2007, no. 01 (2007): 006. http://dx.doi.org/10.1088/1126-6708/2007/01/006.

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46

Carlson, Carl E., Greg D. Dorata та Marc Sher. "KL→π0νν¯in extended Higgs models". Physical Review D 54, № 7 (1996): 4393–99. http://dx.doi.org/10.1103/physrevd.54.4393.

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47

Santos, R., and A. Barroso. "Renormalization of two-Higgs-doublet models." Physical Review D 56, no. 9 (1997): 5366–85. http://dx.doi.org/10.1103/physrevd.56.5366.

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48

BRIHAYE, Y., and P. KOSINSKI. "KINKS STABILITY IN TWO-HIGGS MODELS." Modern Physics Letters A 14, no. 04 (1999): 247–56. http://dx.doi.org/10.1142/s0217732399000298.

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We analyze the stability of two kink-type classical solutions available in a model describing two scalar Higgs fields in (1+1) dimensions. It is shown that one of these solutions is stable while the other is sphaleron. A few algebraic eigenmodes of the problem are exhibited.
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49

Huitu, Katri, Cai-Dian Lü, Paul Singer, and Da-Xin Zhang. "decay in two Higgs doublet models." Physics Letters B 445, no. 3-4 (1999): 394–98. http://dx.doi.org/10.1016/s0370-2693(98)01486-5.

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50

Ahmed, Aqeel. "Heavy Higgs of the Twin Higgs models." Journal of High Energy Physics 2018, no. 2 (2018). http://dx.doi.org/10.1007/jhep02(2018)048.

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