CLAS Physics Database

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Measurement E216M428

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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 : 1.65 — 1.7 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 0.285702 0.00891182 0.03438414
54 0.284658 0.0110714 0.03302809
90 0.305223 0.011991 0.03478998
126 0.387989 0.0110419 0.04000884
162 0.464737 0.0222072 0.0482038
198 0.463846 0.0162657 0.04761202
234 0.367307 0.0156585 0.04220835
270 0.300641 0.0116431 0.03444569
306 0.281464 0.0104063 0.03293488
342 0.254231 0.00905792 0.03232189