Comments (7)
@andreab1997 can you try applying the patch above and recomputing, please?
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Yes I can try but I don't understand how this can be a bug. @cschwan did you understand what is the problem?
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Moreover, I got the correct predictions just removing the grid optimize
which is completely unrelated to this.
from pineko.
So it seems that you were actually correct, applying that patch solved the problem. This is the new comparison
comparison_424.txt
As you can see there is only one problem at the beginning but I believe my eko to be bugged. Let me try to recompute it but I am pretty sure. For the rest everything seems to be fine.
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No I was wrong, it seems that the ATLASDY2D8TEV
is a real bug.
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I found the bug by printing the OperatorInfo
struct passed to Grid::evolve
on stderr for 1) pineappl evolve
and 2) Pineko. For CMS_TTB_5TEV_TOT
I find in both cases that
ren1: [
5442.305429193529,
7434.731381687921,
10243.85467001917,
14238.990475802799,
19971.806922234402,
28273.883344269376,
40410.48232844362,
58325.25318921733,
85033.47534094655,
125260.40013230646,
186488.2133214792,
280691.4902174795,
427245.3808062111,
657853.7431299294,
1024996.5523865514,
1616581.2577807596,
2581663.421106388
]
So far so good. pineappl evolve
calculates the strong coupling constant as:
alphas: [
0.12190944075548889,
0.11900892802232749,
0.11617243718593613,
0.11339821043907347,
0.11068598682266634,
0.1080343743829495,
0.10544130425131869,
0.10290650940538232,
0.1004289992066687,
0.09800656568331764,
0.09563886186878709,
0.09332518460075083,
0.09106334734236118,
0.08885286965181682,
0.08669325984311221,
0.08458246767160318,
0.0825198335061508
]
As expected, this vector has the same size as ren1
. But this isn't the case for Pineko:
alphas: [
0.17812293619077232,
0.17401253126774863,
0.16998863674128645,
0.16604972179241928,
0.16219427022194413,
0.15842078120174546,
0.15472776993464313,
0.15111376822948233,
0.1475773249979303,
0.14411700667916258,
0.14073139759833034,
0.13741910026440088,
0.13417873561265617,
0.13100894319682557,
0.12790838133552054,
0.12487572721733475,
0.12190967696867401,
0.11900894568808806,
0.11617226745059381,
0.11339839528520783,
0.11068610112864455,
0.10803417575788739,
0.10544142870410592,
0.10290668815016772,
0.10042880081378519,
0.09800663181814082,
0.09563906455165323,
0.09332500051837454,
0.09106335918035456,
0.08885307779316161,
0.08669311123561792,
0.08458243183468485,
0.08252002918632481,
0.08050490997306427,
0.07853609777889299,
0.07661263290205221,
0.07473357216619243,
0.07289798873031418,
0.0711049718978489,
0.0693536269251842
]
This can't be right, because the length of this vector doesn't match the length of ren1
. Looking at the code above this makes sense: you calculate alphas
at xir * xir * muf2 / xif / xif
for whatever value muf2
is contained in muf2_grid
, but as the corresponding scales you pass xir * xir * mur2_grid
. So there's clearly a mismatch.
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For ATLASDY2D8TEV-aMCfast_obs_0
I get with pineappl evolve
:
$ pineappl write --optimize ATLASDY2D8TEV-aMCfast_obs_0.pineappl.lz4 ATLASDY2D8TEV-aMCfast_obs_0-opt.pineappl.lz4
$ pineappl evolve ATLASDY2D8TEV-aMCfast_obs_0.pineappl.lz4 ATLASDY2D8TEV-aMCfast_obs_0.tar /tmp/deleteme.pineappl.lz4 NNPDF40_nnlo_as_01180
b Grid FkTable rel. diff
--+------------+------------+-------------
0 2.7400418e0 2.7371347e0 -1.0609672e-3
1 2.7347464e0 2.7319391e0 -1.0265585e-3
2 2.7298912e0 2.7269958e0 -1.0606106e-3
3 2.7085291e0 2.7056548e0 -1.0612065e-3
4 2.6923000e0 2.6897803e0 -9.3589734e-4
5 2.6496577e0 2.6472263e0 -9.1763037e-4
6 2.5742308e0 2.5722173e0 -7.8215776e-4
7 2.3675544e0 2.3656406e0 -8.0836710e-4
8 1.9878036e0 1.9862178e0 -7.9778839e-4
9 1.5272002e0 1.5261000e0 -7.2043371e-4
10 1.0084506e0 1.0077076e0 -7.3677997e-4
11 4.8781048e-1 4.8746251e-1 -7.1332031e-4
This looks OK.
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Related Issues (20)
- Create the absolute theory HOT 4
- Pineko doesn't respect `_template.yaml` HOT 3
- Write the git tag of the programs when version is not available HOT 6
- Issue when creating a Leading Order table HOT 12
- Drop aFONLL support HOT 2
- Add support for polarized
- `convolute` side-effect
- Reuse ekos for nFONLL HOT 1
- Replace `til` and `bar` with clearer names HOT 1
- Introduce a `DAMPPOWER` per quark
- Fix new `DAMP` convention HOT 1
- Generated renormalization SV does not work at N3LO (and beyond) HOT 14
- `mu0` scale is not updated correctly in the operator cards. HOT 4
- Load absolute paths from pineko.toml in nFONLL
- Drop `yamldb` as default HOT 5
- evolution of fragmentation function grids HOT 2
- `kfactor` module maintenance HOT 4
- Issue in the generation of the metadata of the fktables HOT 10
- Factorization scale variations for grids. HOT 1
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