QCD Lambda Parameter from Gradient Flow
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866915484841017344 |
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| author | Schierholz, Gerrit |
| author_facet | Schierholz, Gerrit |
| contents | Starting from the running coupling in the gradient flow scheme, the QCD Lambda parameter $Λ_{\,\overline{\!\rm MS\!}\;}$ is determined analytically with respect to the reference scale $w_0$ in the pure gauge theory. A key element is the gluon condensate, which, being invariant under RG transformations, establishes a formal relationship between $Λ_{\,\overline{\!\rm MS\!}\;}$ and $w_0$. Good agreement with numerical estimates is found. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_17677 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | QCD Lambda Parameter from Gradient Flow Schierholz, Gerrit High Energy Physics - Lattice High Energy Physics - Phenomenology Starting from the running coupling in the gradient flow scheme, the QCD Lambda parameter $Λ_{\,\overline{\!\rm MS\!}\;}$ is determined analytically with respect to the reference scale $w_0$ in the pure gauge theory. A key element is the gluon condensate, which, being invariant under RG transformations, establishes a formal relationship between $Λ_{\,\overline{\!\rm MS\!}\;}$ and $w_0$. Good agreement with numerical estimates is found. |
| title | QCD Lambda Parameter from Gradient Flow |
| topic | High Energy Physics - Lattice High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2410.17677 |