CLAS Physics Database

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Measurement E216M500

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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 : 2.05 — 2.1 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 0.267696 0.0116444 0.02653309
54 0.259304 0.00853877 0.02208842
90 0.30981 0.0106492 0.02307784
126 0.364227 0.0105497 0.02886466
162 0.46297 0.0142214 0.03648601
198 0.497085 0.0166508 0.03806709
234 0.350334 0.0118182 0.02686697
270 0.289256 0.00906532 0.02406969
306 0.243157 0.00842544 0.01966727
342 0.272034 0.00851709 0.02741761