CLAS Physics Database

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Measurement E216M401

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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 : 1.5 — 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 0.174871 0.0121391 0.02444753
54 0.173946 0.00824731 0.02176633
90 0.168878 0.00807111 0.02391188
126 0.233743 0.0144771 0.03145524
162 0.295674 0.0142714 0.03545757
198 0.280851 0.00993274 0.03562815
234 0.212827 0.0175234 0.02924383
270 0.183798 0.0084258 0.02418583
306 0.169681 0.00788604 0.02138037
342 0.165852 0.009231 0.02240606