CLAS Physics Database

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Measurement E216M274

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(π−), mcbn/rad
Differential cross section, where ψ(π−) is out-of-plane angle of p 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 : 1.5 — 1.55 GeV

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

Parameter (X axis): ψ(π−), deg

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

Measured data:

ψ(π−),
deg
dσ/dψ(π−),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.328384 0.032674 0.08798173
54 0.27267 0.0198687 0.03314691
90 0.270265 0.0182573 0.0381089
126 0.320759 0.0220632 0.02808628
162 0.319452 0.0135304 0.02832333
198 0.303325 0.0147128 0.02429442
234 0.309554 0.0119651 0.02794062
270 0.276614 0.0145325 0.02287019
306 0.361276 0.0558484 0.03999166
342 0.299359 0.046725 0.05182212