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running wrong #55

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jasonaebischerGIT opened this issue Dec 13, 2020 · 5 comments
Open

running wrong #55

jasonaebischerGIT opened this issue Dec 13, 2020 · 5 comments
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help wanted Extra attention is needed

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@jasonaebischerGIT
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when running lequ1_2233 = 1/160**2 in the warsaw basis from from 160 GeV to 60 GeV the output of lequ1_2233 is wrong by several orders of magnitude

@jasonaebischerGIT jasonaebischerGIT added the bug Something isn't working label Dec 13, 2020
@jackypheno
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@jasonaebischerGIT

Looks like its an issue related to the size of WCs, for lequ1_2233 I get sensible output for

'wc_in = Wilson({'lequ1_2233':1e-6}, 160, 'SMEFT', 'Warsaw')
wc = wc_in.match_run(60, 'SMEFT', 'Warsaw')
print(wc.dict['lequ1_2233'])'

(1.0333888075747854e-06+2.115327309804727e-18j)

But the moment we change the initial condition to 1e-5 it gives

(-1.498326492711292e-11-1.39516319299177e-22j)

The problem persists even when using the 'leading_log' approximation.

@DavidMStraub
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I would check what happens before flavour rotations. Perhaps it's not a bug but just an effect of flavour rotations (i.e. that the output basis is not the same as the input basis) like in #63.

@jackypheno
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@DavidMStraub Good idea! Let me check that.

@peterstangl
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@jackypheno did you actually find out if the results was just due to a change of the flavour basis or if there is actually an issue?

@peterstangl peterstangl added help wanted Extra attention is needed and removed bug Something isn't working labels Jun 11, 2022
@peterstangl
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I changed the label since it is not clear that this is actually a bug.

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