fields and particles in particle physics
and in the standard model of particle physics:
matter field fermions (spinors, Dirac fields)
flavors of fundamental fermions in the standard model of particle physics: | |||
---|---|---|---|
generation of fermions | 1st generation | 2nd generation | 3d generation |
quarks () | |||
up-type | up quark () | charm quark () | top quark () |
down-type | down quark () | strange quark () | bottom quark () |
leptons | |||
charged | electron | muon | tauon |
neutral | electron neutrino | muon neutrino | tau neutrino |
bound states: | |||
mesons | light mesons: pion () ρ-meson () ω-meson () f1-meson a1-meson | strange-mesons: ϕ-meson (), kaon, K*-meson (, ) eta-meson () charmed heavy mesons: D-meson (, , ) J/ψ-meson () | bottom heavy mesons: B-meson () ϒ-meson () |
baryons | nucleons: proton neutron |
(also: antiparticles)
hadrons (bound states of the above quarks)
minimally extended supersymmetric standard model
bosinos:
dark matter candidates
Exotica
In the context of quantum hadrodynamics, the decay-mode of a meson via the weak interaction (i.e. by exchange of a W-boson or Z-boson) into a pair of leptons is called (shown are Feynman diagrams of example decays of kaons):
All this is in contrast to
leptonic conversion decay: Landsberg 85, (3.3)
L. G. Landsberg, Electromagnetic decays of light mesons, Physics Reports Volume 128, Issue 6, November 1985, Pages 301-376 (doi:10.1016/0370-1573(85)90129-2)
R. Casalbuoni, A. Deandrea, N. Di Bartolomeo, F. Feruglio, R. Gatto, G. Nardulli, Phenomenology of Heavy Meson Chiral Lagrangians, Phys. Rept. 281:145-238, 1997 (arXiv:hep-ph/9605342)
Discussion of leptonic decays of pions:
See at vector meson dominance.
Discussion of radiative leptonic decays of the pion (see also at Dalitz decay)
Rene Unterdorfer, Hannes Pichl, On the Radiative Pion Decay, Eur. Phys. J. C55:273-283, 2008 (arXiv:0801.2482)
V. Bolotov, The radiative pion decays (pdf)
Discussion of leptonic decays of omega-mesons:
I. N. Mishustin, L. M. Satarov, H. Stoecker, W. Greiner, Dilepton production by bremsstrahlung of meson fields in nuclear collisions, Phys. Rev. C57:2552-2558, 1998 (arXiv:hep-ph/9709384)
Anastasiya Kuzmenko et al. , The Study of the Conversion Decays of Omega Meson to Meson and Pair with the CMD-3 Detector, CERN Proceedings Archives Vol 1 (2017) (doi:10.23727/CERN-Proceedings-2017-001.91
Discussion of leptonic decays of B-mesons:
Patrick Koppenburg, Zdenek Dolezal, Maria Smizanska, Rare decays of b hadrons, Scholarpedia, 11(6):32643 (doi:10.4249/scholarpedia.32643)
Brambilla et al., Section 4.2 of: QCD and strongly coupled gauge theories - challenges and perspectives, Eur Phys J C Part Fields. 2014; 74(10): 2981 (arXiv:1404.3723, doi:10.1140/epjc/s10052-014-2981-5)
Jochen Dingfelder, Thomas Mannel, Leptonic and semileptonic decays of mesons, Rev. Mod. Phys. 88 (2016) 3, 035008 (spire:1488176, doi:10.1103/RevModPhys.88.035008)
Giovanni Banelli, Robert Fleischer, Ruben Jaarsma, Gilberto Tetlalmatzi-Xolocotzi, Decoding (Pseudo)-Scalar Operators in Leptonic and Semileptonic B Decays, The European Physical Journal C volume 78 (arXiv:1809.09051)
J. P. Lees et al. (BABAR Collaboration), Measurement of the branching fraction with semileptonically tagged B mesons, Phys. Rev. D 88, 072006 (2013) (doi:10.1103/PhysRevD.88.072006)
Xian-Wei Kang, Tao Luo, Yi Zhang, Ling-Yun Dai, Chao Wang, Semileptonic and decays involving scalar and axial-vector mesons, Eur. Phys. J. C 78, 909 (2018) (doi:10.1140/epjc/s10052-018-6385-9)
Discussion of leptonic decays in view of observed flavour anomalies:
N. Penalva, E. Hernández, J. Nieves, Hadron and lepton tensors in semileptonic decays including new physics (arXiv:2004.08253)
N. Penalva, E. Hernández, J. Nieves, , and semileptonic decays including new physics (arXiv:2007.12590)
Last revised on April 7, 2021 at 17:56:44. See the history of this page for a list of all contributions to it.