CLAS Physics Database

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Measurement E216M855

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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 : 6 — 7 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 0.183501 0.0231222 0.0310941
27 0.188556 0.0250976 0.02812239
45 0.178995 0.0144138 0.02364574
63 0.210309 0.0222483 0.02145513
81 0.271202 0.0377556 0.03137122
99 0.328651 0.0207658 0.03026397
117 0.424783 0.0390928 0.03346167
135 0.393571 0.0267921 0.03348238
153 0.456207 0.0278588 0.03806054
171 0.407154 0.0482931 0.04117429