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Index X(3872)

The X(3872) is an exotic meson candidate with a mass of 3871.68 MeV/c2 which does not fit into the quark model because of its quantum numbers. [1]

18 relations: Belle experiment, C-symmetry, CERN, Diquark, Exotic meson, LHCb experiment, Meson, Mesonic molecule, Parity (physics), Physical Review Letters, Physics Reports, Quantum number, Quark model, Tetraquark, Total angular momentum quantum number, Y(4140), Z(4430), Zc(3900).

Belle experiment

The Belle experiment was a particle physics experiment conducted by the Belle Collaboration, an international collaboration of more than 400 physicists and engineers, at the High Energy Accelerator Research Organisation (KEK) in Tsukuba, Ibaraki Prefecture, Japan.

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Charge conjugation is a transformation that switches all particles with their corresponding antiparticles, and thus changes the sign of all charges: not only electric charge but also the charges relevant to other forces.

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The European Organization for Nuclear Research (Organisation européenne pour la recherche nucléaire), known as CERN (derived from the name Conseil européen pour la recherche nucléaire), is a European research organization that operates the largest particle physics laboratory in the world.

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In particle physics, a diquark, or diquark correlation/clustering, is a hypothetical state of two quarks grouped inside a baryon (that consists of three quarks) (Lichtenberg 1982).

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Exotic meson

Non-quark model mesons include.

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LHCb experiment

The LHCb (standing for "Large Hadron Collider beauty") experiment is one of seven particle physics detector experiments collecting data at the Large Hadron Collider at CERN.

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In particle physics, mesons are hadronic subatomic particles composed of one quark and one antiquark, bound together by strong interactions.

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Mesonic molecule

A mesonic molecule is a set of two or more mesons bound together by the strong force.

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Parity (physics)

In quantum mechanics, a parity transformation (also called parity inversion) is the flip in the sign of one spatial coordinate.

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Physical Review Letters

Physical Review Letters (PRL), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society.

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Physics Reports

Physics Reports is a peer-reviewed scientific journal, a review section of Physics Letters that has been published by Elsevier since 1971.

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Quantum number

Quantum numbers describe values of conserved quantities in the dynamics of a quantum system.

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Quark model

In particle physics, the quark model is a classification scheme for hadrons in terms of their valence quarks—the quarks and antiquarks which give rise to the quantum numbers of the hadrons.

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A tetraquark, in particle physics, is an exotic meson composed of four valence quarks.

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Total angular momentum quantum number

In quantum mechanics, the total angular momentum quantum number parameterises the total angular momentum of a given particle, by combining its orbital angular momentum and its intrinsic angular momentum (i.e., its spin).

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The Y(4140) particle is an electrically neutral exotic hadron candidate that is about 4.4 times heavier than the proton.

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Z(4430) is a mesonic resonance discovered by the Belle experiment.

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The Zc(3900) is a hadron, a type of subatomic particle made of quarks, believed to be the first tetraquark that has been observed experimentally.

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[1] https://en.wikipedia.org/wiki/X(3872)

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