Charm Quark

Composition	Elementary particle
Family	Fermion
Group	Quark
Generation	Second
Theorized	Glashow, Iliopoulos, Maiani, 1970
Discovered	Burton Richter et al. In Particle physics, an elementary particle or fundamental particle is a particle not known to have substructure that is it is not known to be made In Particle physics, fermions are particles which obey Fermi-Dirac statistics; they are named after Enrico Fermi. In Physics, a quark (kwɔrk kwɑːk or kwɑːrk is a type of Subatomic particle. In Particle physics, a generation is a division of the Elementary particles Between generations particles differ only by their Mass. Sheldon Lee Glashow (born December 5, 1932) is an American physicist. John Iliopoulos, a Greek physicist born in 1940, was the first person to present the Standard Model of Particle physics in a single report Luciano Maiani is a San Marino citizen Physicist best known for his prediction of the Charm quark with Glashow and Iliopoulos. Year 1970 ( MCMLXX) was a Common year starting on Thursday (link shows full calendar of the Gregorian calendar. Burton Richter (born March 22 1931) is a Nobel Prize -winning American physicist and Samuel C. C. Ting et al. Samuel Chao Chung Ting (丁肇中 Pinyin: Dīng Zhàozhōng Wade-Giles: Ting¹ Chao⁴-chung¹ (born January 27, 1936) is an American , 1974
Mass	1. 5 GeV/c2
Electric charge	+2/3 e
Spin	½
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Flavour in particle physics v • d • e

Flavour quantum numbers: Lepton number: L Baryon number: B Strangeness: S Charm: C Bottomness: B' Topness: T Isospin: Iz or I Weak isospin: Tz Electric charge: Q Combinations: Hypercharge: Y Y=2(Q-Iz) Weak hypercharge: YW YW=2(Q-Tz) YW=B−L Related topics: CPT symmetry CKM matrix CP symmetry Chirality

The charm quark is a second-generation quark with a charge of +(2/3)e. The elementary charge, usually denoted e, is the Electric charge carried by a single Proton, or equivalently the negative of the electric charge carried The elementary charge, usually denoted e, is the Electric charge carried by a single Proton, or equivalently the negative of the electric charge carried In Quantum mechanics, spin is a fundamental property of atomic nuclei, Hadrons and Elementary particles For particles with non-zero spin In Particle physics, flavour or flavor (see spelling differences) is a Quantum number of Elementary particles related to their Particle physics is a branch of Physics that studies the elementary constituents of Matter and Radiation, and the interactions between them Quantum numbers describe values of conserved numbers in the dynamics of the Quantum system. In High energy physics, the lepton number is the number of Leptons minus the number of antileptons In Particle physics, the baryon number is an approximate conserved Quantum number of a system The bottom quark is a third-generation Quark with a charge of − e. The top quark is the third- generation up-type Quark with a charge of +(2/3 e. In Physics, and specifically Particle physics, isospin ( isotopic spin, isobaric spin) is a Quantum number related to the The weak isospin in Particle physics is a quantum number relating to the Weak interaction, and parallels the idea of Isospin under the Strong Electric charge is a fundamental conserved property of some Subatomic particles which determines their Electromagnetic interaction. In Particle physics, the hypercharge (represented by Y) of a particle is related to the Strong interaction, and it should not be confused with similarly The weak hypercharge in Particle physics is a quantum number relating the Electrical charge and the third component of Weak isospin, and is similar In High energy physics, B−L (pronounced "bee minus ell" is the Baryon number minus the Lepton number. CPT symmetry is a fundamental symmetry of Physical laws under transformations that involve the inversions of charge, parity and In the Standard Model of Particle physics, the Cabibbo-Kobayashi-Maskawa matrix ( CKM matrix, quark mixing matrix, sometimes also called In Particle physics, CP violation is a violation of the postulated CP symmetry of the laws of physics A phenomenon is said to be chiral if it is not identical to its Mirror image (see Chirality) In Physics, a quark (kwɔrk kwɑːk or kwɑːrk is a type of Subatomic particle. The elementary charge, usually denoted e, is the Electric charge carried by a single Proton, or equivalently the negative of the electric charge carried It is the third most massive of the quarks, at about 1. 5 GeV/c² (roughly one and a half times the mass of the proton). The proton ( Greek πρῶτον / proton "first" is a Subatomic particle with an Electric charge of one positive It was predicted in 1970 by Sheldon Glashow, John Iliopoulos, and Luciano Maiani, and first observed in November 1974, with the simultaneous discovery of the J/ψ charm particle at SLAC (Stanford Linear Accererator Center) by a group led by Burton Richter and at BNL (Brookhaven National Laboratory) by a group led by Samuel C. C. Ting. Sheldon Lee Glashow (born December 5, 1932) is an American physicist. John Iliopoulos, a Greek physicist born in 1940, was the first person to present the Standard Model of Particle physics in a single report Luciano Maiani is a San Marino citizen Physicist best known for his prediction of the Charm quark with Glashow and Iliopoulos. The J/ψ is a Subatomic particle, a flavor -neutral Meson consisting of a charm Quark and a charm anti -quark The Stanford Linear Accelerator Center ( SLAC) is a United States Department of Energy National Laboratory operated by Stanford University under Burton Richter (born March 22 1931) is a Nobel Prize -winning American physicist Brookhaven National Laboratory ( BNL) is a United States national laboratory located in Upton New York on Long Island, and was formally established Samuel Chao Chung Ting (丁肇中 Pinyin: Dīng Zhàozhōng Wade-Giles: Ting¹ Chao⁴-chung¹ (born January 27, 1936) is an American The particle was named J by the BNL group and ψ by the SLAC group; when the naming controversy could not be resolved, the compromise J/ψ was adopted. For other uses see Psi. Psi (uppercase Ψ, lowercase ψ) is the 23rd letter of the Greek alphabet and has a

Hadrons containing charm quarks

Some of the hadrons containing charm quarks include:

• D mesons contain a charm quark (or its antiparticle) and an up or down quark. In Particle physics, a hadron ( from the ἁδρός hadrós, " stout, thick " ( The D mesons are the lightest particle containing Charm quarks They are often studied to gain knowledge on the Weak interaction. to most kinds of particles, there is an associated antiparticle with the same Mass and opposite Electric charge. The up quark is a particle described by the Standard Model theory of Physics. The down quark is a first-generation Quark with a charge of -(1/3 e.
• Ds mesons contain a charm quark and a strange quark. The strange quark is a second- generation Quark with a charge of &minus(1/3 e and a strangeness of &minus1
• There are many charmonium states, for example the J/ψ particle. In Particle physics, quarkonium (pl quarkonia) designates a flavorless Meson whose constituents are a Quark and its own antiquark These consist of a charm quark and its antiparticle.
• Charmed baryons have been observed, and are named in analogy with strange baryons (e. Charmed baryons are a category of Composite particles comprising all Baryons made of at least one Charm quark. g. Λ+c).

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