CLAS Physics Database

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Measurement E216M446

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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 : 1.75 — 1.8 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 0.370078 0.0135393 0.03834895
54 0.340031 0.0100417 0.03505504
90 0.367413 0.0105052 0.03549215
126 0.409273 0.0120099 0.04177915
162 0.487029 0.016372 0.0430706
198 0.438535 0.0119084 0.04087655
234 0.410389 0.0159176 0.03912567
270 0.351942 0.0112435 0.03642053
306 0.345794 0.0191562 0.03551092
342 0.344048 0.014246 0.03838909