CLAS Physics Database

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Measurement E216M321

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(p), mcbn/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ and π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 3 — 3.5 GeV2
W : 1.75 — 1.8 GeV

Observable quantity measured (Y axis): dσ/dψ(p), mcbn/rad
Plot measurement data

Parameter (X axis): ψ(p), deg

Click here to get data in text file, delimited with tabs.

Measured data:

ψ(p),
deg
dσ/dψ(p),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.533231 0.0428335 0.08432586
54 0.54178 0.0371863 0.0560896
90 0.50515 0.0207927 0.04164377
126 0.489888 0.0121183 0.03646005
162 0.512737 0.0117901 0.03875085
198 0.503949 0.0120653 0.03897419
234 0.490954 0.0124714 0.03561841
270 0.514766 0.0180224 0.03991542
306 0.584342 0.024183 0.04981049
342 0.489628 0.0273101 0.07453451