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Measurement E216M719

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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 : 1.85 — 1.9 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 0.561685 0.0399236 0.04816757
27 0.577501 0.0237133 0.04544351
45 0.534829 0.0191481 0.04335728
63 0.49163 0.0236972 0.04006907
81 0.55736 0.0250434 0.04357284
99 0.593476 0.0271097 0.0500727
117 0.504469 0.0216111 0.03855961
135 0.38931 0.0225061 0.0409242
153 0.294104 0.034427 0.06224725
171 0.259579 0.00035048 0.13514337