Flavor changing effects in family nonuniversalZ′ models | Zendy

Cheng-Wei Chiang | Zendy; N. G. Deshpande | Zendy; Jing Jiang | Zendy

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Flavor changing effects in family nonuniversalZ′ models

Author(s) -

Cheng-Wei Chiang,

N. G. Deshpande,

Jing Jiang

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/08/075

Subject(s) - physics , fermion , symmetry (geometry) , particle physics , observable , string (physics) , diagonal , dipole , physics beyond the standard model , gauge symmetry , gauge theory , gauge (firearms) , theoretical physics , quantum mechanics , mathematics , geometry , archaeology , history

Flavor-changing and CP-violating interactions of Z' to fermions are generallypresent in models with extra U(1) gauge symmetry that are string-inspired orrelated to broken gauged family symmetry. We study the consequences of suchcouplings in fermion electric dipole moments, muon g-2, and K and B mesonmixings. From experimental limits or measured values, we constrain theoff-diagonal Z' couplings to fermions. Some of these constraints are comparableor stronger than the existing constraints obtained from other observables.Comment: 17 pages, 2 figure

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