CLAS Physics Database

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Measurement E216M782

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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 : 6 — 7 GeV2
W : 1.5 — 1.55 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 0.177095 0.0423868 0.03823569
27 0.177686 0.0232744 0.02079074
45 0.235197 0.0208879 0.02150872
63 0.158908 0.0146727 0.01471094
81 0.152697 0.0140575 0.01488779
99 0.161734 0.0165293 0.0147725
117 0.15404 0.0244325 0.01742857
135 0.173422 0.030647 0.034353
153 0.116732 0.013314 0.06190397
171 0.158361 0.00013728 0.0961504