CLAS Physics Database

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Measurement E216M581

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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 : 4.2 — 5 GeV2
W : 1.8 — 1.85 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 0.206151 0.0074352 0.01988142
54 0.204577 0.007074 0.01904144
90 0.241104 0.00918264 0.02047578
126 0.287769 0.0103456 0.02368506
162 0.289463 0.0113034 0.0234257
198 0.280459 0.014456 0.02366737
234 0.282209 0.017404 0.02572415
270 0.231436 0.00943777 0.02275639
306 0.216977 0.00786464 0.01940887
342 0.218521 0.00791443 0.02089116