Electroweak phase transition in SMEFT: Gravitational wave and collider complementarity
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| Format: | Preprint |
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2025
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| _version_ | 1866908693564489728 |
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| author | Jahedi, Sahabub Saha, Indrajit Sarkar, Abhik |
| author_facet | Jahedi, Sahabub Saha, Indrajit Sarkar, Abhik |
| contents | We study the electroweak first-order electroweak phase transition (FO-EWPT) within the Standard Model Effective Field Theory (SMEFT) framework induced by dimension-6 operators. Such phenomena can be probed independently via \textit{di}-Higgs production at the collider experiments as well as via the detection of gravitational waves (GW). There are three dimension-6 SMEFT operators that simultaneously modify the Higgs potential at tree level and contribute to the \textit{di}-Higgs production at the hadron colliders. With \textit{di}-Higgs production being suppressed at current LHC runs, we aim to probe this production at high luminosity (HL) and high energy (HE) runs of the LHC to achieve better sensitivity of dimension-6 SMEFT operators. The correlations among these operators are analyzed in the context of probing FO-EWPT, emphasizing the complementarity between future GW observations and upgraded LHC searches. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_04168 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Electroweak phase transition in SMEFT: Gravitational wave and collider complementarity Jahedi, Sahabub Saha, Indrajit Sarkar, Abhik High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics We study the electroweak first-order electroweak phase transition (FO-EWPT) within the Standard Model Effective Field Theory (SMEFT) framework induced by dimension-6 operators. Such phenomena can be probed independently via \textit{di}-Higgs production at the collider experiments as well as via the detection of gravitational waves (GW). There are three dimension-6 SMEFT operators that simultaneously modify the Higgs potential at tree level and contribute to the \textit{di}-Higgs production at the hadron colliders. With \textit{di}-Higgs production being suppressed at current LHC runs, we aim to probe this production at high luminosity (HL) and high energy (HE) runs of the LHC to achieve better sensitivity of dimension-6 SMEFT operators. The correlations among these operators are analyzed in the context of probing FO-EWPT, emphasizing the complementarity between future GW observations and upgraded LHC searches. |
| title | Electroweak phase transition in SMEFT: Gravitational wave and collider complementarity |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2512.04168 |