CLAS Physics Database

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Measurement E216M555

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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 : 4.2 — 5 GeV2
W : 1.65 — 1.7 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 0.237869 0.0133006 0.03233138
54 0.248622 0.0177672 0.02133367
90 0.241728 0.0163461 0.02043773
126 0.204125 0.0113367 0.01786551
162 0.229857 0.00941641 0.01839785
198 0.224556 0.0120492 0.01850674
234 0.219831 0.00974404 0.01593866
270 0.22611 0.0120056 0.01717566
306 0.218398 0.0131941 0.02078125
342 0.217726 0.0135714 0.03160523