Sure, I have. It appears that you don't know, so rather than me teaching you, you should go back and read the two articles.
It is not my claim, it is the claim of the professional physicists who ran the actual experiments.
Then tell us what they "measured" since it is your claim that these measurements are the "proof" you claim them to be.
And then explain exactly what and how and why these "measured effects" are what you claim.
No, the scientists you mention just "interpret" and "simulate" from theory assumptions input to algorithms for "interpretation" of effects observed. That is all they present in conjunction with any data they obtained. It is you that claims their "interpretations" are "proof" positive of SR "contraction" for real and not from other possible causes in LHC accelerator system/energy effects.