CLAS Physics Database

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Measurement E216M456

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(p), mcbn/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ and π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 3.5 — 4.2 GeV2
W : 1.8 — 1.85 GeV

Observable quantity measured (Y axis): dσ/dψ(p), mcbn/rad
Plot measurement data

Parameter (X axis): ψ(p), deg

Click here to get data in text file, delimited with tabs.

Measured data:

ψ(p),
deg
dσ/dψ(p),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.386523 0.0186893 0.05886541
54 0.393293 0.0193713 0.0395996
90 0.364382 0.00959121 0.03096446
126 0.343477 0.0136547 0.02896139
162 0.354154 0.00931489 0.02777079
198 0.347678 0.00970261 0.02686246
234 0.349684 0.00943346 0.02712208
270 0.367538 0.0105444 0.02916983
306 0.38663 0.0143837 0.03859021
342 0.373458 0.0231455 0.05937041