2023:groups:smhiggs:ggf-an3lo:start
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2023:groups:smhiggs:ggf-an3lo:start [2023/06/18 14:46] stephen.jones |
2023:groups:smhiggs:ggf-an3lo:start [2023/06/18 14:50] (current) stephen.jones |
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| Recreate plots similar to Fig. 2 in [[https://arxiv.org/pdf/1802.00827.pdf|iHixs]], showing only the uncertainties: | Recreate plots similar to Fig. 2 in [[https://arxiv.org/pdf/1802.00827.pdf|iHixs]], showing only the uncertainties: | ||
| * $\delta(PDF)$, | * $\delta(PDF)$, | ||
| - | * $\delta(PDF-TH)$, | + | * $\delta(PDF_{TH})$, |
| * $\delta(\mathrm{scale})$ | * $\delta(\mathrm{scale})$ | ||
| or (for aN3LO PDFs): | or (for aN3LO PDFs): | ||
| - | * $\delta(PDFincTH)$, | + | * $\delta(PDF+PDF_{TH})$, |
| * $\delta(\mathrm{scale})$. | * $\delta(\mathrm{scale})$. | ||
| We will omit uncertainties not relevant to the study (namely $\delta(EW)$, $\delta(\alpha_s), \delta(1/m_t), \delta(t,b,c)$. | We will omit uncertainties not relevant to the study (namely $\delta(EW)$, $\delta(\alpha_s), \delta(1/m_t), \delta(t,b,c)$. | ||
| Line 45: | Line 45: | ||
| * $\delta(\sigma)$ breakdown of the errors on the cross section (see Study 1 for details) | * $\delta(\sigma)$ breakdown of the errors on the cross section (see Study 1 for details) | ||
| - | Comments made by observing preliminary results presented in the initial session: The aN3LO/NNLO k-factor for MSHT ~0.98 and for NNPDF looked ~1 (very preliminary). The NNPDF NNLO result is above the MSHT result and so at aN3LO we may see an even larger disagreement. | + | Comments made by observing preliminary results presented in the initial session: The aN3LO/NNLO k-factor for MSHT ~0.98 and for NNPDF looked ~1 (warning: preliminary). The NNPDF NNLO result is above the MSHT result and so at aN3LO we may see an even larger disagreement. |
| - | === 3. Gluon Lumi Comparison === | + | === 3. Gluon Lumi Comparison ($\sqrt{s}=13.6\ \mathrm{TeV}$) === |
| Ratio plots for PDFs and Luminosities. | Ratio plots for PDFs and Luminosities. | ||
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