CLAS Physics Database

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Measurement E216M441

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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 : 1.7 — 1.75 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 1.31815 0.0841708 0.26024369
27 1.11922 0.0559205 0.17430859
45 1.07721 0.0394651 0.15388538
63 1.29623 0.0721501 0.1577781
81 1.52052 0.0996425 0.17391659
99 1.51769 0.0396557 0.12751428
117 1.54639 0.0407838 0.12675895
135 1.35466 0.0364144 0.10689179
153 1.37497 0.0642092 0.12483767
171 1.30577 0.0935672 0.11958938