CLAS Physics Database

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Measurement E216M501

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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 : 3.5 — 4.2 GeV2
W : 2.05 — 2.1 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 0.316654 0.0134322 0.03069236
54 0.352436 0.0159593 0.02841418
90 0.351421 0.0145469 0.02697518
126 0.331451 0.0134817 0.02691275
162 0.344278 0.0096485 0.02637333
198 0.336673 0.00824164 0.02615063
234 0.332145 0.0125366 0.02505234
270 0.329323 0.012171 0.02645056
306 0.344478 0.0123813 0.02791104
342 0.275039 0.0106758 0.02834329