Adiabatic electroweak baryogenesis driven by an axionlike particle
An axionlike particle (ALP) offers a new direction in electroweak baryogenesis because the periodic nature enables it to trigger a strong first-order phase transition insensitively to the decay constant f. For f much above TeV, the ALP-induced electroweak phase transition is approximately described...
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| Veröffentlicht in: | Physical review. D 2020-02, Vol.101 (3), Article 035009 |
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| creator | Jeong, Kwang Sik Jung, Tae Hyun Shin, Chang Sub |
| description | An axionlike particle (ALP) offers a new direction in electroweak baryogenesis because the periodic nature enables it to trigger a strong first-order phase transition insensitively to the decay constant f. For f much above TeV, the ALP-induced electroweak phase transition is approximately described by adiabatic processes, distinguishing our scenario for electroweak baryogenesis from the conventional ones. We show that, coupled to the electroweak anomaly, the ALP can naturally realize spontaneous electroweak baryogenesis to solve the matter-antimatter asymmetry problem for f in the range between about 105 and 107 GeV. In such an ALP window, the CP violation for baryogenesis is totally free from the experimental constraints, especially from the recently improved limit on the electron electric dipole moment. Future searches for ALPs could probe our scenario while revealing the connection between electroweak symmetry breaking and baryogenesis. |
| doi_str_mv | 10.1103/PhysRevD.101.035009 |
| format | Article |
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For f much above TeV, the ALP-induced electroweak phase transition is approximately described by adiabatic processes, distinguishing our scenario for electroweak baryogenesis from the conventional ones. We show that, coupled to the electroweak anomaly, the ALP can naturally realize spontaneous electroweak baryogenesis to solve the matter-antimatter asymmetry problem for f in the range between about 105 and 107 GeV. In such an ALP window, the CP violation for baryogenesis is totally free from the experimental constraints, especially from the recently improved limit on the electron electric dipole moment. 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Future searches for ALPs could probe our scenario while revealing the connection between electroweak symmetry breaking and baryogenesis.</description><subject>Adiabatic flow</subject><subject>Antimatter</subject><subject>Asymmetry</subject><subject>Broken symmetry</subject><subject>Cosmology</subject><subject>CP violation</subject><subject>Decay rate</subject><subject>Dipole moments</subject><subject>Electric dipoles</subject><subject>Matter & antimatter</subject><subject>Phase transitions</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNo9kEtPwzAQhC0EElXpL-ASwbll_UgcH0t5SkggBGfLdjbUbUiKnRb67zEKcNrR6tvVzBBySmFGKfCLp-U-PuPuakaBzoDnAOqAjJiQMAVg6vBfUzgmkxhXkGQBSlI6Ipfzyhtreu8ybND1oftEs86sCfvuDVuMPmZV8DtsM7vPTJuZL9-1jV9jtjEhnTV4Qo5q00Sc_M4xeb25flncTR8eb-8X84epEzTvp8oVHG3lRG04YwqkkzanSgIWNciiqKgtheXMCRTcoFFWICrORMmwlILxMTkb_nax9zo636Nbuq5tk21Nc1VyJRN0PkCb0H1sMfZ61W1Dm3xpxmXBaEkZJIoPlAtdjAFrvQn-PWXWFPRPqfqv1LSgeiiVfwOQH2rl</recordid><startdate>20200207</startdate><enddate>20200207</enddate><creator>Jeong, Kwang Sik</creator><creator>Jung, Tae Hyun</creator><creator>Shin, Chang Sub</creator><general>American Physical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-4211-5653</orcidid><orcidid>https://orcid.org/0000000242115653</orcidid></search><sort><creationdate>20200207</creationdate><title>Adiabatic electroweak baryogenesis driven by an axionlike particle</title><author>Jeong, Kwang Sik ; Jung, Tae Hyun ; Shin, Chang Sub</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-9c63ebdc4fa322907c7b51970e6f0766d1b84b32c4e43aea9b4ee932482e87423</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Adiabatic flow</topic><topic>Antimatter</topic><topic>Asymmetry</topic><topic>Broken symmetry</topic><topic>Cosmology</topic><topic>CP violation</topic><topic>Decay rate</topic><topic>Dipole moments</topic><topic>Electric dipoles</topic><topic>Matter & antimatter</topic><topic>Phase transitions</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jeong, Kwang Sik</creatorcontrib><creatorcontrib>Jung, Tae Hyun</creatorcontrib><creatorcontrib>Shin, Chang Sub</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physical review. 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| ispartof | Physical review. D, 2020-02, Vol.101 (3), Article 035009 |
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| source | American Physical Society Journals |
| subjects | Adiabatic flow Antimatter Asymmetry Broken symmetry Cosmology CP violation Decay rate Dipole moments Electric dipoles Matter & antimatter Phase transitions |
| title | Adiabatic electroweak baryogenesis driven by an axionlike particle |
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