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Simple extensions of the SM
This is a collection of models that are simple bottom-up extensions of the SM, obtained by adding a set of new particles and or interations to the Standard Model.
Available models
Model | Short Description | Contact | Status |
The 3-3-1 model | The 3-3-1 model | D.-M. Zhang | Available |
The most general Alternative Left-Right Symmetric Model | An alternative Left-Right Symmetric Model - most general implementation | B. Fuks | Available |
Alternative Left-Right Symmetric Model | An alternative Left-Right Symmetric Model. | M. Ashry | Available |
Axigluon model | The SM plus a scalar gluon field. | S. Krastanov | Available |
Chern-Simons portal | Chern-Simons portal with a coupling to W bosons and muons | M. Ovchynnikov | Available |
Coloron Model | A Coloron Model with a Decay to a Single Top Quark | E. Drueke, R. Schwienhorst, N. Vignaroli, J. Nutter, D. Walker, J.-H. Yu, R. S. Chivukula, E. Simmons | Available |
Color Triplet | A Color Triplet Model with Decay to Top and Bottom Quark | E. Drueke, R. Schwienhorst, N. Vignaroli, D. Walker, J.-H. Yu, J. Nutter, T. Han, I. Lewis, Z. Liu | Available |
Simplified DM models | Simplified DM models | K. Mawatari, C. Zhang | Available |
DY SM extension | The SM plus new spin-0, -1, and -2 bosons that contribute to Drell-Yan production of leptons at the LHC. | N. Christensen | Available |
Effective Left-Right Symmetric Model | SM + heavy Left-Right symmetric gauge bosons and three heavy Majorana neutrinos | R. Ruiz | Available |
Effective four-fermion bbll interactions | SM + bbll contact interactions | Y. Afik | Available |
Effective four-fermion tqll interactions | SM + tqll contact interactions | Y. Afik | Available |
Effective four-fermion ttll interactions | SM + ttll contact interactions | Y. Afik | Available |
Fourth generation model | A fourth generation model including a t' and a b' | C. Duhr | Available |
General U(1) Model | A general U(1)-extended SM | A. Das, S. Mandal, S. Shil | Available |
Georgi-Machacek Model | Georgi-Machacek Model | K. Kumar, K. Hartling, H. Logan | Available |
General 2HDM | The most general 2HDM, including all flavor violation and mixing terms. | C. Duhr, M. Herquet | Available |
Heavy Scalar Effective Model | A model with one heavy scalar with effective couplings to the vector bosons. | Y. Wu, Y. Xu, X. Chen | Available |
Heavy Neutrino | The SM with three heavy Majorana neutrinos that couple to SM fields through mixing with active neutrinos. | R. Ruiz | Available |
Heavy Neutral Leptons | The SM with heavy neutrinos interacting with mesons. | P. Coloma, E. Fernández-Martínez, M. González-López, J. Hernández-García | Available |
[HAHM Hidden Abelian Higgs Model] | A Z' model where the Z' interacts with the SM through mixings, leading to very small non-SM like Z' couplings. | D. Curtin | Available |
Hill Model | A model with an unusual extension of the SM Higgs sector. | P. de Aquino, C. Duhr | Available |
Inert Doublet Model | A model with an additional complex scalar SU(2)L doublet and an unbroken Z2 symmetry under which all SM particles are even while the extra doublet is odd. | A. Goudelis, B. Herrmann, O. Stal | Available |
Flavor-violating KK gluon | A Kaluza-Klein Gluon Model with FCNC Decay to a Single Top Quark | E. Drueke, R. Schwienhorst, N. Vignaroli, J. Nutter, D. Walker, J.-H. Yu, R. S. Chivukula, E. Simmons | Available |
Simplified Freeze-in models | LHC-friendly minimal freeze-in models with a charged parent | A. Goudelis | Available |
Leptoquarks + dark matter | Minimal model including dark matter and leptoquarks | B. Fuks | Available |
Minimal Zp models | The minimal Z' extension of the SM. | L. Basso | Available |
Minimal Dilaton Model | Minimal Dilaton Model | J. Cao, X. Hao, Z. Heng, L. Shang, Y. Zhang | Available |
Minimal Lepton Portal Dark Matter | Minimal Lepton Portal Dark Matter | A. Jueid | Available |
MLFVtIIIseesaw | Minimal Lepton Flavor Violation Type III See-Saw Model | N. R. Agostinho, O. Éboli, M.C. Gonzalez-Garcia | Available |
MonopoleDY | Dirac Magnetic monopole | Santra Arka | Available |
Monotops | The SM plus monotops. | B. Fuks | Available |
pNG | The SM with pNG dark matter. | A. Beniwal | Available |
ScotoSinglet | The SM with a scotogenic singlet. | A. Beniwal | Available |
A Scotogenic Model with Two Inert Doublets | The SM + 2 inert scalar doublets + 3 Majorana fermions | A. Ahriche | Available |
Sextet diquarks | The SM plus sextet diquark scalars. | J. Alwall, C. Duhr | Available |
Multiple sextets | The SM plus an array of sextet fields | T. Murphy | Available |
SLQrules | The SM, plus scalar leptoquarks. | L. Schnell | Available |
Standard model + Scalars | The SM, together with a set of singlet scalar particles coupling only to the SM Higgs, and allowing it to decay invisibly into this new scalar sector. | C. Duhr | Available |
Phenomenological symmetry protected seesaw scenario | Extension of the SM with a pseudo-Dirac heavy neutrino from symmetry protected low scale seesaw models featuring lepton number violation via heavy neutrino-antineutrino oscillations. | S. Antusch, J. Hajer, J. Rosskopp | Available |
Standard model + Weinberg operator | The SM, together with the dim-5 Weinberg operator. | R. Ruiz | Available |
Top-philic resonances | Simplified models built on the SM and a top-philic state. | L. Darmé | Available |
Top-philic Zprime | The SM plus a Z' boson essentially coupling to the top sector. | Jeong Han Kim, K.C. Kong, Seung J. Lee, Gopolang Mohlabeng | Available |
Triplet diquarks | The SM plus triplet diquark scalars. | J. Alwall, C. Duhr | Available |
Type III See-Saw Model | The SM, including neutrino masses coming from a type III See-Saw mechanism. | C. Biggio, F. Bonnet | Available |
VLQ | The SM, plus vector-like quarks, in a model-independent framework. | M. Buchkremer, G. Cacciapaglia, A. Deandrea, L. Panizzi | Available |
VecLepQrk | The SM, plus vector leptoquarks. | J. Roy | Available |
Vector-leptoquark model | This model is an extension of the SM, featuring a vector leptoquark, a colored vector, and a Z' as new heavy mediators. | Michael J. Baker, Javier Fuentes-Martín, Gino Isidori, Matthias König | Available |
Wprime | The SM a new spin-1 W' boson. | J. Donini, B. Fuks | Available |
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