Chiral perturbation theory (ChPT) is an effective field theory constructed with a Lagrangian consistent with the (approximate) chiral symmetry of quantum...
10 KB (1,506 words) - 18:11, 25 July 2023
quark masses, and various quantum effects can be computed in chiral perturbation theory. This can be confirmed more rigorously by lattice QCD computations...
18 KB (2,667 words) - 13:00, 21 May 2024
Heavy baryon chiral perturbation theory (HBChPT) is an effective quantum field theory used to describe the interactions of pions and nucleons/baryons....
1 KB (151 words) - 23:12, 3 August 2022
physics the effective field theory of QCD called chiral perturbation theory has had better success. This theory deals with the interactions of hadrons with...
12 KB (1,489 words) - 20:06, 25 June 2024
solitons called skyrmions. Departures from exact chiral symmetry are dealt with in chiral perturbation theory. On a manifold (considered as the spacetime)...
19 KB (3,206 words) - 22:04, 13 August 2024
fundamental theory of strong interactions. Together with Jürg Gasser he performed influential work on chiral perturbation theory, an effective field theory describing...
5 KB (468 words) - 01:41, 23 April 2024
Fermionic condensate (redirect from Chiral condensate)
Corrections for the masses of the quarks can be incorporated using chiral perturbation theory. A helium-3 atom is a fermion and at very low temperatures, they...
9 KB (1,097 words) - 16:05, 22 August 2024
hence chiral flavour symmetry is a good approximation to QCD for the up, down and strange quarks. The success of chiral perturbation theory and the...
24 KB (2,962 words) - 02:23, 1 September 2024
obtained in chiral perturbation theory through an expansion in the (small) actual masses of the quarks. In other phases of quark matter the full chiral flavour...
32 KB (4,235 words) - 20:18, 17 August 2024
a target nucleus. Pionium has a short lifetime, predicted by chiral perturbation theory to be 2.89×10−15 s (i.e. 2.89 femtoseconds). It decays mainly...
4 KB (409 words) - 20:17, 2 January 2024
prominent quantity in many sub-fields of particle physics, such as chiral perturbation theory. This rate is parametrized by the pion decay constant (ƒπ), related...
27 KB (2,779 words) - 01:55, 14 September 2024
Gell-Mann matrices (category Representation theory of Lie algebras)
SU(3) Stefan Scherer; Matthias R. Schindler (31 May 2005). "A Chiral Perturbation Theory Primer". p. 1–2. arXiv:hep-ph/0505265. David Griffiths (2008)...
10 KB (1,387 words) - 12:18, 25 February 2024
Axial current (category Quantum field theory)
couple via the electromagnetic current.) Chiral anomaly QCD Chiral symmetry breaking Chiral perturbation theory Chiral magnetic effect Parity (physics) Byers...
8 KB (947 words) - 04:24, 12 February 2024
interactions. Additionally, chiral symmetry breaking can be analyzed in terms of an effective field theory (called chiral perturbation theory) which allows perturbative...
29 KB (3,510 words) - 06:37, 23 May 2024
Coupling constant (category Quantum field theory)
), the Fermi theory ( [ G F ] = energy − 2 {\displaystyle [G_{F}]={\text{energy}}^{-2}} ) or the chiral perturbation theory of the strong force...
21 KB (2,848 words) - 23:03, 22 August 2024
Gell-Mann–Okubo mass formula (section Theory)
context of chiral perturbation theory, just for pseudoscalar mesons, since these are the pseudogoldstone bosons of dynamically broken chiral symmetry,...
9 KB (1,266 words) - 18:39, 5 January 2024
Quantum chromodynamics (redirect from QCD theory)
Lagrangian. One such effective field theory is chiral perturbation theory or ChiPT, which is the QCD effective theory at low energies. More precisely, it...
44 KB (5,906 words) - 17:40, 21 August 2024
theory as a unified theory of particle physics and quantum gravity. Unlike supergravity theory, string theory was able to accommodate the chirality of...
123 KB (15,355 words) - 13:02, 16 August 2024
neutrons). This is the strong CP problem and is a prediction of chiral perturbation theory. Dipole moments in molecules are responsible for the behavior...
55 KB (7,954 words) - 15:00, 11 September 2024
problem Hydrogen molecular ion Borromean nucleus Efimov state Chiral perturbation theory Loiseau, B.A.; Nogami, Y. (1967). "Three-nucleon force". Nuclear...
4 KB (428 words) - 04:04, 7 April 2023
renormalization of the theory. When the running coupling of the theory is small enough, then all required quantities may be computed in perturbation theory. Quantization...
47 KB (6,760 words) - 18:04, 26 August 2024
ISBN 978-3-527-40601-2. Stefan Scherer; Matthias R. Schindler (31 May 2005). "A Chiral Perturbation Theory Primer". p. 1–2. arXiv:hep-ph/0505265. Ethan Siegel (Nov 18, 2020)...
11 KB (1,452 words) - 04:45, 31 July 2024
Spontaneous symmetry breaking (redirect from Spontaneous chiral symmetry breaking)
creation Catastrophe theory Chiral symmetry breaking CP-violation Fermi ball Gauge gravitation theory Goldstone boson Grand unified theory Higgs mechanism...
30 KB (3,839 words) - 15:04, 5 September 2024
– A theory. Search the effects of direct CP-violation in the decays of K±-mesons. The study of hadron interactions – chiral perturbation theory, lattice...
3 KB (309 words) - 19:40, 18 August 2024
Topological order (redirect from Landau symmetry-breaking theory)
still wanted to use Landau symmetry-breaking theory to describe the chiral spin state. They identified the chiral spin state as a state that breaks the time...
43 KB (4,939 words) - 23:51, 22 July 2024
March 2017). "Proton radius from electron–proton scattering and chiral perturbation theory". Physical Review C. 95 (3): 035203. arXiv:1610.09760. Bibcode:2017PhRvC...
23 KB (2,225 words) - 12:49, 30 August 2024
Spurion (category Quantum field theory)
the parameter. In the theory of pions, physics often uses the chiral perturbation theory. Here, the relevant symmetry is the isospin SU(2) symmetry. It...
2 KB (267 words) - 19:26, 26 July 2022
continuum; molecular details are entirely ignored. Rather, this theory considers perturbations to a presumed oriented sample. The distortions of the liquid...
94 KB (11,478 words) - 13:45, 30 July 2024
Supergravity (redirect from Supergravity theory)
\left({\bar {D}}^{2}-8R\right)f} is always a chiral superfield. The action for a SUGRA theory with chiral superfields X, is given by S = ∫ d 4 x d 2 Θ...
31 KB (4,211 words) - 16:46, 9 August 2024
Strong CP problem (section Theory)
the path integral measure, an effect closely connected to the chiral anomaly. The theory would be CP invariant if one could eliminate both sources of CP...
10 KB (1,506 words) - 17:34, 4 September 2024