CLAS Physics Database

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Measurement E216M474

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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 : 1.9 — 1.95 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 0.380982 0.0195595 0.04176752
54 0.356691 0.0115109 0.0301228
90 0.353954 0.0126123 0.02838705
126 0.357411 0.00945861 0.02687277
162 0.378403 0.00877721 0.02860809
198 0.366889 0.00828118 0.0285599
234 0.350722 0.00961038 0.02599381
270 0.383688 0.0114327 0.0296563
306 0.362815 0.0224517 0.0302725
342 0.36376 0.0193747 0.04012324