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
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.	C. Duhr	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
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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