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- Charm_(quantum_number) abstract "Charm (symbol C) is a flavour quantum number representing the difference between the number of charm quarks (c) and charm antiquarks (c) that are present in a particle:By convention, the sign of flavour quantum numbers agree with the sign of the electric charge carried by the quark of corresponding flavour. The charm quark, which carries an electric charge (Q) of +2⁄3, therefore carries a charm of +1. The charm antiquarks have the opposite charge (Q = −2⁄3), and flavour quantum numbers (C = −1).As with any flavour-related quantum numbers, charm is preserved under strong and electromagnetic interaction, but not under weak interaction (see CKM matrix). For first-order weak decays, that is processes involving only one quark decay, charm can only vary by 1 (|C| = ±1). Since first-order processes are more common than second-order processes (involving two quark decays), this can be used as an approximate "selection rule" for weak decays.".
- Charm_(quantum_number) wikiPageExternalLink 0906.1271v2.pdf.
- Charm_(quantum_number) wikiPageID "1623956".
- Charm_(quantum_number) wikiPageRevisionID "567972510".
- Charm_(quantum_number) auto "yes".
- Charm_(quantum_number) date "December 2009".
- Charm_(quantum_number) subject Category:Particle_physics.
- Charm_(quantum_number) subject Category:Particle_physics_flavour_quantum_number.
- Charm_(quantum_number) subject Category:Quarks.
- Charm_(quantum_number) type Body109224911.
- Charm_(quantum_number) type ElementaryParticle109272085.
- Charm_(quantum_number) type NaturalObject100019128.
- Charm_(quantum_number) type Object100002684.
- Charm_(quantum_number) type Particle109386422.
- Charm_(quantum_number) type PhysicalEntity100001930.
- Charm_(quantum_number) type Quark109401834.
- Charm_(quantum_number) type Quarks.
- Charm_(quantum_number) type Whole100003553.
- Charm_(quantum_number) comment "Charm (symbol C) is a flavour quantum number representing the difference between the number of charm quarks (c) and charm antiquarks (c) that are present in a particle:By convention, the sign of flavour quantum numbers agree with the sign of the electric charge carried by the quark of corresponding flavour. The charm quark, which carries an electric charge (Q) of +2⁄3, therefore carries a charm of +1.".
- Charm_(quantum_number) label "Charm (numero quantico)".
- Charm_(quantum_number) label "Charm (quantum number)".
- Charm_(quantum_number) label "チャーム".
- Charm_(quantum_number) sameAs Charm_(numero_quantico).
- Charm_(quantum_number) sameAs チャーム.
- Charm_(quantum_number) sameAs m.04y5njl.
- Charm_(quantum_number) sameAs Q2639620.
- Charm_(quantum_number) sameAs Q2639620.
- Charm_(quantum_number) sameAs Charm_(quantum_number).
- Charm_(quantum_number) wasDerivedFrom Charm_(quantum_number)?oldid=567972510.
- Charm_(quantum_number) isPrimaryTopicOf Charm_(quantum_number).