CLAS Physics Database

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Measurement E216M243

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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 : 2.4 — 3 GeV2
W : 2 — 2.05 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 2.05677 0.113273 0.3209597
27 1.94132 0.127615 0.21603835
45 1.43834 0.0791107 0.14661425
63 1.19489 0.0453462 0.1027054
81 1.29774 0.027378 0.10884109
99 1.77492 0.0344635 0.14720562
117 2.03323 0.0465328 0.1545569
135 2.3974 0.0438349 0.18874907
153 3.57026 0.074418 0.27506124
171 4.63111 0.203461 0.39951851