CLAS Physics Database

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Measurement E216M455

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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 : 1.8 — 1.85 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 0.348461 0.0150146 0.03833207
54 0.312331 0.0141794 0.0355035
90 0.36313 0.0104269 0.03404594
126 0.425441 0.0130918 0.03852392
162 0.490693 0.0195688 0.04072815
198 0.481023 0.0132001 0.04099604
234 0.390877 0.01176 0.03546272
270 0.361659 0.0112233 0.0344161
306 0.335912 0.0108184 0.0347563
342 0.345457 0.00968803 0.03767217