CLAS Physics Database

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Measurement E216M432

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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(p))), mcbn/rad
Differential cross section, where cos(θ(p)) is cosine of the azimuthal angle of p 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 : 1.65 — 1.7 GeV

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

Parameter (X axis): θ(p), deg

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

Measured data:

θ(p),
deg
dσ/d(−cos(θ(p))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.77895 0.0608354 0.16873697
27 0.778884 0.0462549 0.13712857
45 0.918551 0.0598536 0.12532665
63 0.97617 0.0510228 0.12050789
81 1.11887 0.0514349 0.10022402
99 1.14131 0.0300159 0.09416454
117 1.33924 0.126824 0.12094345
135 1.29821 0.0832848 0.12313466
153 1.14974 0.0417956 0.09365718
171 1.2121 0.072145 0.12227804