CLAS Physics Database

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Measurement E216M481

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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 : 1.95 — 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 0.29578 0.0115409 0.0333874
54 0.287476 0.0118436 0.02610502
90 0.326542 0.0101683 0.02489917
126 0.361659 0.0160913 0.02703576
162 0.427439 0.0107023 0.0312703
198 0.428799 0.010871 0.03386336
234 0.372807 0.0100464 0.02724386
270 0.340322 0.0125258 0.02830589
306 0.31752 0.0135596 0.02718579
342 0.28485 0.0114988 0.0347577