CLAS Physics Database

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Measurement E216M554

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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 : 1.65 — 1.7 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 0.168299 0.00757846 0.01787193
54 0.199129 0.0147452 0.02581385
90 0.200003 0.00810157 0.0198873
126 0.271669 0.0124656 0.02430472
162 0.296013 0.0114614 0.02888214
198 0.276116 0.0129906 0.02677092
234 0.253424 0.012418 0.02330678
270 0.216417 0.00971924 0.02002946
306 0.17969 0.0101312 0.01901159
342 0.168235 0.0124876 0.01980883