CLAS Physics Database

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Measurement E216M692

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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 : 5 — 6 GeV2
W : 1.7 — 1.75 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 0.576473 0.0503946 0.04806911
27 0.571063 0.0334777 0.04367477
45 0.547139 0.028873 0.04331466
63 0.563722 0.0225649 0.0459883
81 0.591935 0.0219873 0.04472826
99 0.635206 0.0283173 0.04875209
117 0.515027 0.0243077 0.07395725
135 0.480835 0.0475736 0.08311936
153 0.422701 0.0251795 0.15269583
171 0.470667 0.00055926 0.24736368