CLAS Physics Database

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Measurement E216M260

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/d(−cos(θ(π+))), mcbn/rad
Differential cross section, where cos(θ(π+) is cosine of the azimuthal angle of π+ in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 3 — 3.5 GeV2
W : 1.4 — 1.45 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(π+))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π+), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(π+),
deg
dσ/d(−cos(θ(π+))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.853474 0.175071 0.1990178
27 0.645785 0.0544221 0.05823677
45 0.631685 0.0388739 0.04902494
63 0.576783 0.0346854 0.04524232
81 0.526167 0.028805 0.04294386
99 0.492953 0.0255434 0.05643185
117 0.581941 0.0330657 0.13460456
135 0.42076 0.0288203 0.15494653
153 0.586497 0.0047916 0.31394588
171 0.74932 0.00124916 0.41345788