2017:working_groups:scales
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2017:working_groups:scales [2017/06/10 16:41] joey.huston |
2017:working_groups:scales [2017/06/13 14:39] joey.huston |
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| * Gregors Soyez suggestion for DR-informed scale varition for large and small anglularly separated jets (?) [to be further clarified] | * Gregors Soyez suggestion for DR-informed scale varition for large and small anglularly separated jets (?) [to be further clarified] | ||
| + | ===For more details, see the notes for the Fixed Order vs ME+PS comparisons for inclusive jets ==== | ||
| + | |||
| + | ====Scale choices in ratios==== | ||
| + | *understand degree of scale cancellations in ratios of cross sections by comparing NLO predictions with corresponding NNLO ones, i.e. W+>=1 jet/Z+>=1 jet, H+>=1 jet/Z+>=1 jet at NLO and at NNLO, using same central scale and variations about that scale | ||
| + | ===sub-set of questions from Cambridge Scales workshop:=== | ||
| + | *Ratios of cross sections; we can categorize situations where the choice of the same (or similar) scale for the numerator and denominator is warranted; in order of strength of validity -ratio of same cross section at different energies | ||
| + | *ratio of same cross section at different rapidities | ||
| + | *ratio of n/n-1 jet cross sections | ||
| + | *ratio of X+n jet/Y+ n jet, where X and Y are similar, i.e. W and Z | ||
| + | *ratio of X+n jet/Y+ n jet, where X and Y are dissimilar, i.e. W and H | ||
2017/working_groups/scales.txt ยท Last modified: 2017/06/20 16:41 by mario.campanelli
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