CLAS Physics Database

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Measurement E216M437

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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 : 3.5 — 4.2 GeV2
W : 1.7 — 1.75 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 0.387831 0.0121908 0.04738971
54 0.384653 0.00988591 0.04442179
90 0.413537 0.0114212 0.04388613
126 0.469685 0.0138562 0.04768785
162 0.503817 0.0182157 0.0530797
198 0.481466 0.0134372 0.05183091
234 0.427554 0.0123012 0.04552993
270 0.409951 0.0151905 0.04454061
306 0.364379 0.00930729 0.04356945
342 0.365133 0.0129061 0.0454866