CLAS Physics Database

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Measurement E216M1008

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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 : 7 — 8 GeV2
W : 2.05 — 2.1 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 -0.453291 0.584257 0.03645838
27 0.137644 0.0143552 0.02272837
45 0.133039 0.0129497 0.01844369
63 0.106537 0.0100191 0.01583183
81 0.187084 0.0367102 0.02972136
99 0.232273 0.0191257 0.02873389
117 0.322 0.0343394 0.03681478
135 0.349658 0.0358297 0.03773416
153 0.548106 0.0431838 0.06085269
171 0.553925 0.054293 0.0557609