Gauge boson signals at the cosmological collider
Abstract We study the production of massive gauge bosons during inflation from the axion-type coupling to the inflaton and the corresponding oscillatory features in the primordial non-Gaussianity. In a window in which both the gauge boson mass and the chemical potential are large, the signal is pote...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2020-11-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | http://link.springer.com/article/10.1007/JHEP11(2020)082 |
| _version_ | 1818554819184427008 |
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| author | Lian-Tao Wang Zhong-Zhi Xianyu |
| author_facet | Lian-Tao Wang Zhong-Zhi Xianyu |
| author_sort | Lian-Tao Wang |
| collection | DOAJ |
| description | Abstract We study the production of massive gauge bosons during inflation from the axion-type coupling to the inflaton and the corresponding oscillatory features in the primordial non-Gaussianity. In a window in which both the gauge boson mass and the chemical potential are large, the signal is potentially reachable by near-future large scale structure probes. This scenario covers a new region in oscillation frequency which is not populated by previously known cosmological collider models. We also demonstrate how to properly include the exponential factor and discuss the subtleties in obtaining power dependence of the gauge boson mass in the signal estimate. |
| first_indexed | 2024-12-12T09:45:06Z |
| format | Article |
| id | doaj.art-9200a97c7fe74fd4869dce9758beef14 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-12-12T09:45:06Z |
| publishDate | 2020-11-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-9200a97c7fe74fd4869dce9758beef142022-12-22T00:28:26ZengSpringerOpenJournal of High Energy Physics1029-84792020-11-0120201112710.1007/JHEP11(2020)082Gauge boson signals at the cosmological colliderLian-Tao Wang0Zhong-Zhi Xianyu1Department of Physics, University of ChicagoDepartment of Physics, Harvard UniversityAbstract We study the production of massive gauge bosons during inflation from the axion-type coupling to the inflaton and the corresponding oscillatory features in the primordial non-Gaussianity. In a window in which both the gauge boson mass and the chemical potential are large, the signal is potentially reachable by near-future large scale structure probes. This scenario covers a new region in oscillation frequency which is not populated by previously known cosmological collider models. We also demonstrate how to properly include the exponential factor and discuss the subtleties in obtaining power dependence of the gauge boson mass in the signal estimate.http://link.springer.com/article/10.1007/JHEP11(2020)082Beyond Standard ModelCosmology of Theories beyond the SM |
| spellingShingle | Lian-Tao Wang Zhong-Zhi Xianyu Gauge boson signals at the cosmological collider Journal of High Energy Physics Beyond Standard Model Cosmology of Theories beyond the SM |
| title | Gauge boson signals at the cosmological collider |
| title_full | Gauge boson signals at the cosmological collider |
| title_fullStr | Gauge boson signals at the cosmological collider |
| title_full_unstemmed | Gauge boson signals at the cosmological collider |
| title_short | Gauge boson signals at the cosmological collider |
| title_sort | gauge boson signals at the cosmological collider |
| topic | Beyond Standard Model Cosmology of Theories beyond the SM |
| url | http://link.springer.com/article/10.1007/JHEP11(2020)082 |
| work_keys_str_mv | AT liantaowang gaugebosonsignalsatthecosmologicalcollider AT zhongzhixianyu gaugebosonsignalsatthecosmologicalcollider |