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Measurement E216M422

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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 : 3.5 — 4.2 GeV2
W : 1.6 — 1.65 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 0.831158 0.0603144 0.07960106
27 0.740108 0.0418416 0.06594514
45 0.714879 0.0238664 0.05687225
63 0.711211 0.0240904 0.05488225
81 0.753126 0.0225888 0.05849904
99 0.765507 0.028238 0.05718498
117 0.782343 0.0288469 0.08488266
135 0.743184 0.0461721 0.15698496
153 0.550029 0.0222116 0.24069566
171 0.807779 0.00232421 0.43429216