CLAS Physics Database

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Measurement E216M491

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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 — 2.05 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 0.284232 0.00773861 0.02767194
54 0.248084 0.0105863 0.0221654
90 0.312531 0.00946108 0.02386501
126 0.374862 0.0117173 0.0293415
162 0.476533 0.014027 0.03569509
198 0.458695 0.0181657 0.03513261
234 0.387436 0.0135225 0.02938164
270 0.291988 0.00874861 0.02247003
306 0.271636 0.0112736 0.02331251
342 0.273466 0.00841263 0.02744243