CLAS Physics Database

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Measurement E216M591

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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 : 1.85 — 1.9 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 0.221659 0.0136286 0.02764904
54 0.229527 0.00880612 0.01941339
90 0.265922 0.0101882 0.02208733
126 0.256069 0.00972578 0.0202146
162 0.264196 0.00848573 0.02026946
198 0.246994 0.0078062 0.01862959
234 0.226046 0.0136387 0.01825402
270 0.241631 0.010004 0.02041605
306 0.224505 0.0109408 0.02040514
342 0.209781 0.0155214 0.02566561