NMR probe's
Alexei provided pictures and information about the NMR probe.
I think we may have to include this in the genat description (beampie?)
as it does not seem insignificant.
Alexei's word document with pictures is attached.
Yuri send a msg on current filed at the NBM positions
X = {-6, 7, -130};
StarMagField::Instance()->BField(X,B);
B = {2.17315e-05, -2.53534e-05, -4.98625}; |B| = 4.98625 [kG]
NMR = 0.4988631 [T]
NMR/B = 0.4988631/4.98625*10 = 1.00047751316119338 => 0.5 %%
Just remind that our correction from St_starMagAvgC
...
Double_t ScaleFactor(Int_t i = 0){return current()/(4500/(9.98071899596718826e-01));} // 12/03/20 scale Run 2020 11p5GeV K_s^0 (pcmax(0.49827)/pcmax(0.497611)) to PDG value
...
= -1.93182515614376271e-03 = -2 %%
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