CLAS Physics Database

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Measurement E216M665

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/d(−cos(θ(π+))), mcbn/rad
Differential cross section, where cos(θ(π+) is cosine of the azimuthal angle of π+ in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 5 — 6 GeV2
W : 1.55 — 1.6 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(π+))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π+), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(π+),
deg
dσ/d(−cos(θ(π+))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.327889 0.0455217 0.03034811
27 0.283829 0.0223938 0.02615696
45 0.302016 0.0178236 0.02617313
63 0.24116 0.0144255 0.01968489
81 0.231256 0.0203483 0.02132867
99 0.272998 0.0169792 0.02094428
117 0.202232 0.0185759 0.01935991
135 0.284356 0.068342 0.08487683
153 0.198013 0.0120035 0.09142922
171 0.282565 0.00025551 0.15403638