The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Standard model CP-violation and baryon asymmetry (II). Finite temperature
Open accessAbstract
Abstract We consider quantum effects in a world with two coexisting symmetry phases, unbroken and spontaneously broken, as a result of a first order phase transition. The discrete symmetries of the problem are discussed in general. We compute the exact two-point Green function for a free fermion, when a thin wall separates the two phases. The Dirac propagator displays both massive and massless poles, and new CP -even phases resulting from the fermion reflection on the wall. We discuss the possible quark-antiquark CP -asymmetries produced in the Standard Model (SM) for the academic T = 0 case. General arguments indicate that an effect first appears at order α W in the reflection amplitude, as the wall acts as a source of momentum and the on-shell one-loop self-energy cannot be renormalized away. The asymmetries stem from the interference of the SM CP -odd couplings and the CP -even phases in the propagator. We perform a toy computation that indicates the type of GIM cancellations of the problem. The behaviour can be expressed in terms of two unitarity triangles.
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Citations
Cites
Symmetry Breaking through Bell-Jackiw Anomalies
't Hooft, G. (1976) · Physical Review Letters · doi:10.1103/physrevlett.37.8 · Cited by 3,362
On anomalous electroweak baryon-number non-conservation in the early universe
Kuzmin, V. A., Rubakov, V. A., & Shaposhnikov, M. E. (1985) · Physics Letters B · doi:10.1016/0370-2693(85)91028-7 · Cited by 3,008
Cited by
Trodden, M. (1999) · Reviews of Modern Physics · doi:10.1103/revmodphys.71.1463 · Cited by 521
Metadata
- Authors
- Gavela, M. B., Hernandez, P., Orloff, J., Péne, O., & Quimbay, C.
- Venue
- Nuclear Physics B
- Publisher
- Elsevier BV
- Published
- 1994-11
- Volume
- 430
- Issue
- 2
- Pages
- 382-426
- ISSN
- 0550-3213 (ISSN-L)
- OpenAlex
- W1942511115
- Cited by
- 387
- References
- 2
- FWCI
- 9.92
- Type
- journal article
- Language
- en
- Open access
- green
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