CLAS Physics Database

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Measurement E216M603

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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 : 4.2 — 5 GeV2
W : 1.9 — 1.95 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 0.738906 0.0753203 0.1086988
27 0.61036 0.0407576 0.05906261
45 0.54096 0.0227564 0.04834744
63 0.495491 0.0228627 0.04341113
81 0.728331 0.0394135 0.0629956
99 0.819358 0.0242793 0.06096954
117 0.819623 0.0318662 0.06389509
135 0.902364 0.0307332 0.07084066
153 1.1088 0.0386038 0.08099676
171 1.31013 0.0703745 0.11010752