CLAS Physics Database

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Measurement E216M473

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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 : 1.9 — 1.95 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 0.324863 0.00925761 0.03321108
54 0.302307 0.00863713 0.02794825
90 0.336602 0.0126172 0.0296143
126 0.414155 0.0139681 0.03424413
162 0.506307 0.0136198 0.04008836
198 0.520932 0.0145871 0.04113408
234 0.427917 0.0127831 0.03424097
270 0.330207 0.010658 0.02792581
306 0.296291 0.00881089 0.02750387
342 0.323256 0.00814976 0.03327265