extend the n3lo heavy grids up to xi=1e9 #308
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RoyStegeman
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RoyStegeman
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giacomomagni
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Nov 5, 2024
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I guess there is nothing wrong with this - except that it seems we are bound by the NNLO precision instead ... |
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Used in the computation of the photon at alphas=0.119 compared to the one done by Niccolo at alphas=0.118: https://vp.nnpdf.science/YFzb3pnfQD-c6IMhyRuMAg==/ |
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For the fiatlux grids we need to compute grids up to$Q^2=10^8$ (see pincards) while currently they have been computed up to $\xi=Q^2/m_c^2=10^4$ .
Here I extend the grid up to$\xi=10^9$ while keeping roughly the same point density because 49*12/7=84.
I believe @niclaurenti did something similar, keeping the grids only locally, but I don't see a reason not to just extend them.