beyond-SM models containing two Higgs doublets instead of just one. There are also models with more than two Higgs doublets, for example three-Higgs-doublet models...
7 KB (740 words) - 14:43, 8 March 2025
The Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the quantum excitation...
247 KB (27,015 words) - 07:09, 5 August 2025
and E 6 {\displaystyle E_{6}} . Grand unified theories predict Higgs bosons (doublets of S U ( 2 ) {\displaystyle SU(2)} ) arise from representations...
7 KB (1,250 words) - 22:41, 7 June 2025
In particle physics, composite Higgs models (CHM) are speculative extensions of the Standard Model (SM) where the Higgs boson is a bound state of new strong...
21 KB (3,040 words) - 15:38, 11 November 2024
little Higgs theories, notably the Littlest Higgs by Arkani-Hamed, Cohen, Emanuel Katz, and Ann Nelson. Composite Higgs models Two-Higgs-doublet model Higgsino...
5 KB (584 words) - 21:54, 2 September 2023
background. However, many extensions to the Standard Model including supersymmetry and the two-Higgs-doublet model have a first-order electroweak phase transition...
8 KB (867 words) - 05:39, 25 May 2025
from Yukawa-type interactions with the Higgs field. In the Standard Model, the Higgs field is an SU(2)L doublet of complex scalar fields with four degrees...
67 KB (7,541 words) - 06:57, 23 July 2025
the gauge bosons. In the Standard Model, the Higgs field is an SU(2) doublet (i.e. the standard representation with two complex components called isospin)...
56 KB (6,703 words) - 02:22, 12 July 2025
superpartners of the Standard Model should not be significantly heavier than the Higgs VEV – roughly 100 GeV. In 2012, the Higgs particle was discovered at...
40 KB (5,086 words) - 09:14, 15 July 2025
set of particles – the leptons, quarks, gauge bosons and the Higgs boson. The Standard Model is renormalizable and mathematically self-consistent; however...
64 KB (7,729 words) - 16:15, 24 June 2025
thesis, "Higgs Scalars and the Nonleptonic Weak Interactions" (1977) contains one of the first detailed discussions of the two-Higgs-doublet model and its...
19 KB (2,159 words) - 18:42, 26 July 2025
components of the Higgs field whose interactions are carried by four massless scalar bosons forming a complex scalar Higgs field doublet. Likewise, there...
43 KB (4,673 words) - 15:14, 2 July 2025
Flavor-changing neutral current (category Standard Model)
effect due to ordinary Standard Model physics. Neutral particle oscillation Penguin diagram Two-Higgs-doublet model Anderson, S.; et al. (CLEO Collaboration)...
8 KB (960 words) - 14:52, 19 July 2025
Grand Unified Theory (redirect from GUT model)
called the doublet-triplet problem. These theories predict that for each electroweak Higgs doublet, there is a corresponding colored Higgs triplet field...
32 KB (4,126 words) - 21:26, 18 July 2025
Electroweak interaction (redirect from Glashow-Weinberg-Salam model)
electroweak symmetry SU(2) × U(1)Y to U(1)em, effected by the Higgs mechanism (see also Higgs boson), an elaborate quantum-field-theoretic phenomenon that...
23 KB (3,602 words) - 22:15, 6 June 2025
bosons and the Weinberg angle). With one or more electroweak Higgs doublets in the Higgs sector, the effective action term | H † D μ H | 2 / Λ 2 {\displaystyle...
5 KB (691 words) - 07:41, 21 June 2025
the Higgs boson was a 40-year effort by physicists to prove the existence or non-existence of the Higgs boson, first theorised in the 1960s. The Higgs boson...
56 KB (6,324 words) - 10:27, 17 November 2024
Top quark (category Standard Model)
derives its mass from its coupling to the Higgs field. This coupling yt is very close to unity; in the Standard Model of particle physics, it is the largest...
34 KB (3,750 words) - 07:58, 19 June 2025
Standard Model. The electroweak Higgs doublets come from an SO(10) 10H. Unfortunately, this same 10 also contains triplets. The masses of the doublets have...
11 KB (1,593 words) - 12:54, 24 June 2025
Seesaw mechanism (redirect from Seesaw model)
broken by a Higgs mechanism, like the Dirac masses of the charged leptons. In particular, since χ ∈ L has weak isospin 1/2 like the Higgs field H, and...
10 KB (1,378 words) - 13:09, 26 May 2025
bosons, in SU(5) models, the Higgs field is usually embedded in a 5 representation of the GUT group. The caveat of this is that since the Higgs field is an...
27 KB (4,583 words) - 08:31, 8 June 2025
Proton decay (category Physics beyond the Standard Model)
beyond-the-Standard-Model grand unified theories (GUTs) explicitly break the baryon number symmetry, allowing protons to decay via the Higgs particle, magnetic...
23 KB (2,555 words) - 07:59, 20 July 2025
predicted in brane world models. Composite Higgs, models that consider the Higgs boson to be a composite particle. Higgs doublets are hypothesized by some...
16 KB (1,094 words) - 23:34, 27 April 2025
Peccei–Quinn theory (category Physics beyond the Standard Model)
fermions and the axion. Meanwhile, the DFSZ model replaces the usual Higgs with two PQ charged Higgs doublets, H u {\displaystyle H_{u}} and H d {\displaystyle...
10 KB (1,434 words) - 13:53, 24 May 2025
Peskin–Takeuchi parameter (category Physics beyond the Standard Model)
the Standard Model proper at the tree level does not contribute to S, T or U. Assuming that the Higgs sector consists of electroweak doublet(s) H, the effective...
11 KB (1,801 words) - 07:44, 10 July 2025
the Standard Model and experiment. In the Standard Model, the left-handed charged lepton and the left-handed neutrino are arranged in doublet that transforms...
42 KB (4,301 words) - 17:12, 25 May 2025
contrast, a doublet state contains one unpaired electron and shows splitting of spectral lines into a doublet, and a triplet state has two unpaired electrons...
11 KB (1,647 words) - 23:17, 13 July 2025
suggests there may be more Higgs doublets beyond the single standard model Higgs boson. If there are many additional Higgs doublets in nature the predicted...
9 KB (1,295 words) - 20:22, 25 June 2024
08.002. Retrieved 25 December 2018. Flavour (particle physics) Two-Higgs-doublet model India portal Physics portal Please see Selected bibliography section...
7 KB (554 words) - 16:38, 2 March 2025
Phillips, R. J. N. (1990). "New constraints on the charged Higgs sector in two-Higgs-doublet models". Physical Review D. 41 (11): 3421–3441. Bibcode:1990PhRvD...
11 KB (1,029 words) - 14:26, 22 April 2024