CLAS Physics Database

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Measurement E216M608

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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 : 4.2 — 5 GeV2
W : 1.95 — 2 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 0.196542 0.00692859 0.01962109
54 0.182523 0.00675119 0.01545047
90 0.208714 0.015863 0.01706238
126 0.260039 0.00877759 0.01995713
162 0.351612 0.0135111 0.04066294
198 0.319477 0.0141854 0.02435574
234 0.263155 0.0115622 0.03352364
270 0.207584 0.00770747 0.01629763
306 0.185056 0.0072335 0.01566285
342 0.1939 0.00747661 0.01848701