Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time
We revisit the numerical computation of the baryon asymmetry from Cold Electroweak Baryogenesis given the physical Higgs mass. We investigate the dependence of the asymmetry on the speed at which electroweak symmetry breaking takes place. The maximum asymmetry does not occur for arbitrarily fast qu...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Published: |
Springer
2017
|
| Subjects: | |
| Online Access: | https://eprints.nottingham.ac.uk/44421/ |
| _version_ | 1848796913298571264 |
|---|---|
| author | Mou, Zong-Gang Saffin, Paul M. Tranberg, Anders |
| author_facet | Mou, Zong-Gang Saffin, Paul M. Tranberg, Anders |
| author_sort | Mou, Zong-Gang |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | We revisit the numerical computation of the baryon asymmetry from Cold
Electroweak Baryogenesis given the physical Higgs mass. We investigate the dependence of the asymmetry on the speed at which electroweak symmetry breaking takes place. The maximum asymmetry does not occur for arbitrarily fast quenches, but at quench times of about τq ≃ 16m_H^−1, with no asymmetry created for quenches slower than τq > 30m_H^−1. Curiously, we also find that the overall sign of the asymmetry depends on the quench time. |
| first_indexed | 2025-11-14T19:55:32Z |
| format | Article |
| id | nottingham-44421 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T19:55:32Z |
| publishDate | 2017 |
| publisher | Springer |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-444212020-05-04T18:54:14Z https://eprints.nottingham.ac.uk/44421/ Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time Mou, Zong-Gang Saffin, Paul M. Tranberg, Anders We revisit the numerical computation of the baryon asymmetry from Cold Electroweak Baryogenesis given the physical Higgs mass. We investigate the dependence of the asymmetry on the speed at which electroweak symmetry breaking takes place. The maximum asymmetry does not occur for arbitrarily fast quenches, but at quench times of about τq ≃ 16m_H^−1, with no asymmetry created for quenches slower than τq > 30m_H^−1. Curiously, we also find that the overall sign of the asymmetry depends on the quench time. Springer 2017-07-04 Article PeerReviewed Mou, Zong-Gang, Saffin, Paul M. and Tranberg, Anders (2017) Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time. Journal of High Energy Physics, 2017 (7). pp. 1-10. ISSN 1029-8479 Cosmology of Theories beyond the SM; Lattice Quantum Field Theory; CP violation; Nonperturbative Effects https://link.springer.com/article/10.1007%2FJHEP07%282017%29010 doi:10.1007/JHEP07(2017)010 doi:10.1007/JHEP07(2017)010 |
| spellingShingle | Cosmology of Theories beyond the SM; Lattice Quantum Field Theory; CP violation; Nonperturbative Effects Mou, Zong-Gang Saffin, Paul M. Tranberg, Anders Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time |
| title | Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time |
| title_full | Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time |
| title_fullStr | Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time |
| title_full_unstemmed | Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time |
| title_short | Simulations of Cold Electroweak Baryogenesis: finding the optimal quench time |
| title_sort | simulations of cold electroweak baryogenesis: finding the optimal quench time |
| topic | Cosmology of Theories beyond the SM; Lattice Quantum Field Theory; CP violation; Nonperturbative Effects |
| url | https://eprints.nottingham.ac.uk/44421/ https://eprints.nottingham.ac.uk/44421/ https://eprints.nottingham.ac.uk/44421/ |