CLAS Physics Database

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Measurement E216M419

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(π+), mcbn/rad
Differential cross section, where ψ(π+) is out-of-plane angle of p 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 : 1.6 — 1.65 GeV

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

Parameter (X axis): ψ(π+), deg

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

Measured data:

ψ(π+),
deg
dσ/dψ(π+),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.179462 0.0071274 0.02179766
54 0.181749 0.0069026 0.02281866
90 0.208449 0.00777504 0.0221404
126 0.276014 0.00959385 0.02806841
162 0.344056 0.0143336 0.03446333
198 0.327906 0.0116883 0.03467893
234 0.264019 0.0099054 0.02829566
270 0.182529 0.00715886 0.02124035
306 0.180132 0.00864988 0.0217975
342 0.184268 0.0152835 0.02322476