The eta ( η ) and eta prime meson ( η′ ) are isosinglet mesons made of a mixture of up, down and strange quarks and their antiquarks. The charmed eta meson...

The bottom eta meson ( η b) or eta-b meson is a flavourless meson formed from a bottom quark and its antiparticle. It was first observed by the BaBar experiment...

vector mesons. See list of particles for a more detailed list of particles found in particle physics. This article contains a list of mesons, unstable...

D mesons are the lightest particle containing charm quarks. They are often studied to gain knowledge on the weak interaction. The strange D mesons (Ds)...

In particle physics, a meson (/ˈmiːzɒn, ˈmɛzɒn/) is a type of hadronic subatomic particle composed of an equal number of quarks and antiquarks, usually...

pion (π), kaon (K), eta (η), and eta prime (η′) particles, whose masses are known with great precision. Among all of the mesons known to exist, in some...

Vector mesons play a huge role in the study of the strong hadronic force. ρ meson ω meson φ meson K*(892) meson D* meson J/ψ meson ϒ meson θ meson List...

strangeless eta prime meson was originally classified by itself as a singlet: η′ Under the quark model later developed, it is better viewed as part of a meson nonet...

pions and omega mesons, the rho meson carries the nuclear force within the atomic nucleus. After the pions and kaons, the rho mesons are the lightest...

In particle physics, a pion (/ˈpaɪ.ɒn/, PIE-on) or pi meson, denoted with the Greek letter pi ( π ), is any of three subatomic particles: π0 , π+ , and...

Eta (/ˈiːtə, ˈeɪtə/ EE-tə, AY-tə; uppercase Η, lowercase η; Ancient Greek: ἦτα ē̂ta [ɛ̂ːta] or Greek: ήτα ita [ˈita]) is the seventh letter of the Greek...

In particle physics, B mesons are mesons composed of a bottom antiquark and either an up ( B+ ), down ( B0 ), strange ( B0 s) or charm quark ( B+ c)....

In particle physics, a kaon, also called a K meson and denoted K , is any of a group of four mesons distinguished by a quantum number called strangeness...

atom) are examples of baryons; pions are an example of a meson. A tetraquark state (an exotic meson), named the Z(4430)−, was discovered in 2007 by the Belle...

physics, exotic mesons are mesons that have quantum numbers not possible in the quark model; some proposals for non-standard quark model mesons could be: glueballs...

The Upsilon meson ( ϒ ) is a quarkonium state (i.e. flavourless meson) formed from a bottom quark and its antiparticle. It was discovered by the E288...

particle physics, the phi meson or ϕ meson is a vector meson formed of a strange quark and a strange antiquark. It was the ϕ meson's unusual propensity to...

exotic baryons may also exist. Ordinary mesons are made up of a valence quark and a valence antiquark. Because mesons have integer spin (0 or 1) and are not...

energy physics, a scalar meson is a meson with total spin 0 and even parity (usually noted as JP=0+). In contrast, pseudoscalar mesons have odd parity. The...

Higgs boson) contributes to the phenomenon of mass. Other bosons, such as mesons, are composite particles made up of smaller constituents. Outside the realm...

Gell-Mann–Nishijima formula individually, so any additive assembly of them will as well. Mesons are made of a valence quark–antiquark pair (thus have a baryon number of...

T mesons are hypothetical mesons composed of a top quark and one additional subatomic particle. The second subatomic particle can be either an up antiquark...

[mu] corresponds to m), and the new 1947 meson (Yukawa's particle) was named the pi meson. As more types of mesons were discovered in accelerator experiments...

(J/psi) meson /ˈdʒeɪ ˈsaɪ ˈmiːzɒn/ is a subatomic particle, a flavor-neutral meson consisting of a charm quark and a charm antiquark. Mesons formed by...

Omega baryon Mesons Pion Rho meson Eta and eta prime mesons Bottom eta meson Phi meson J/psi meson Omega meson Upsilon meson Kaon B meson D meson Quarkonium...

Omega baryon Mesons Pion Rho meson Eta and eta prime mesons Bottom eta meson Phi meson J/psi meson Omega meson Upsilon meson Kaon B meson D meson Quarkonium...

participate in the residual strong force, which is mediated by particles known as mesons. The most familiar baryons are protons and neutrons, both of which contain...

within hadrons, which include baryons (such as protons and neutrons) and mesons, or in quark–gluon plasmas. For this reason, much of what is known about...

Omega baryon Mesons Pion Rho meson Eta and eta prime mesons Bottom eta meson Phi meson J/psi meson Omega meson Upsilon meson Kaon B meson D meson Quarkonium...

developed the concept of strangeness (which Nishijima called eta-charge, after the eta meson ( η )) to explain the "strangeness" of the longer-lived particles...